How long does lead dust stay in the air?

It is estimated that the lead dust could reach 400 feet from the initial site, according to Freep. Lead dust can remain in the air for up to an hour.

There is long-standing recognition that lead dust is a harmful environmental pollutant. The danger of lead to children is exacerbated by the metabolism of lead by their growing bodies as well as the vulnerability of their developing brains and nervous systems. As a result, babies and young children are also much more likely to be exposed to lead due to their tendency to put their hands and other items that might contain lead directly into their mouths. Moreover, lead can be inhaled through lead dust from lead-based paint or lead-contaminated soil or by playing with toys covered in lead paint. 

In addition to eating or drinking food or water containing lead, children can be exposed to lead through dishes and glasses containing lead or through inhaling lead dust from lead-based paint or lead-contaminated soil. Paint, gasoline, water pipes, and many other products were made with lead before it was known how harmful it could be.

  1. What happens if you breathe in lead dust? 
  2. How to get rid of lead dust?
  3. How far can lead dust travel?
  4. How long does lead dust stay in the air? 
  5. Do air purifiers help with lead dust? 
  6. What are the best air purifiers for lead dust?

These are some questions that I will cover in this article, so stay with me. 


Lead gets into the air in what way?

Lead gets into the air in different ways depending on the location. Metal processing and piston-engine aircraft using leaded aviation fuel are the biggest sources of lead in the air at the national level. Incinerators, utilities, and manufacturers of lead-acid batteries are also sources of waste. Near lead smelters, people usually encounter the highest levels of lead in the air.

Since 1980, levels of lead in the air have decreased by 98 percent following EPA-led efforts, which included removing lead from gasoline for motor vehicles.

What happens if you breathe in lead dust?

It can seriously affect a number of body systems. In extreme cases, it can even be fatal. Getting into the bloodstream is possible because lead accumulates in the bones, liver, and kidneys. Once the source of lead exposure has been eliminated, the effects of lead poisoning may continue to manifest.

Adults and children alike are most vulnerable to lead’s effects on their nervous systems. Children are especially susceptible to lead pollution because their nervous systems are still developing, and they can suffer long-term consequences. Lead can:

  • Damage brain cells;
  • Impair behavior; and
  • Impair intelligence.

Lead poisoning has several acute effects, including:

  • Seizures
  • Paralysis
  • Anemia
  • Abdominal pain
  • Constipation
  • Vomiting
  • Decreased appetite
  • Death

Lead exposure over the long term may also result in:

  • Permanent brain and kidney damage
  • Damage to the reproductive system
  • Hypertension
  • Anemia

Lead can adversely affect calcium absorption and skeletal development when taken up and stored in bone. A mother’s exposed child can be exposed to lead accumulating in the skeleton while she is pregnant and breastfeeding.

Lead is believed to probably cause cancer in humans, as determined by the EPA.

Wet washing:

Lead dust can be cleaned most effectively by wet washing. Lead dust can be removed by periodic wet cleaning of window sills, walls, floors, and door frames. To wet wash your home, follow these steps:

The cleaning solution and clean rise water should be placed in two buckets. The buckets should be clearly marked. If you are wet washing, make sure to wear rubber gloves that are waterproof and chemical-resistant. Make sure children are not around these products.

Pour some household detergent into some water and use it to clean. The detergent container should include directions on how to mix it.

In window wells, sills, door frames, and floors pick up any paint chips and other debris that have fallen. Use double-thick garbage bags to collect the debris. Make sure they are sealed.

The cleaning solution should be thoroughly applied to the window wells and sills and the door frames, walls, and floors. During the washing stage, use one set of disposable rags or paper towels and one set of disposable paper towels.

With an alternative disposable rag or paper towel, remove the cleaning solution from the area you washed. It would be best if you used a separate paper towel or rag during the cleaning and rinsing process.

Garbage is a double-thick garbage bag with all the rags, paper towels, and paint chips. Lock it up. Children and pets should not have access to the bag. You can throw away lead debris at a household hazardous waste collection site or place it in the trash for pickup. Don’t hesitate to get in touch with your local county offices for more information.

How far can lead dust travel?

For years, thousands of homes have been demolished. Much fanfare was given to the destruction of buildings deemed hazardous or even just eyesores. Regeneration was widely discussed. The paint in these buildings also contained lead dust, which was widespread.

It is estimated that the lead dust could reach 400 feet from the initial site, according to Freep. It is almost as much heavy metal as a football field just waiting to seep into human lungs and bloodstreams. 

Furthermore, that’s just from one house; if you’re working on larger structures or in an environment that’s difficult to work in, lead dust may spread even further.

This is a purely hypothetical example, however. There are very few rules governing the destruction of properties painted with lead paint, according to the OPB. As a result, there’s often a lot of contamination since it’s cheaper just to knock down an entire building. 

It’s impossible to know where lead dust will end once it leaves your control. There are other potential transportation methods, such as wind, water, rain, and windmills. 

Health and the environment can be seriously damaged as a result, as can large clean-up fees and even legal action if you are held responsible for getting the dust settled. The primary goal should always be to prevent lead dust from being generated in the first place.

How long does lead dust stay in the air?

Based on the direct real-time monitoring of airborne particle concentration and size distribution, we were able to project potential lead loading as those particles settled in a controlled environment following abatement work. 

A dedicated 860 square foot chamber with sophisticated air filtration and ventilation systems was built. In order to achieve the highest practicable airborne lead concentration, lead-based paint-covered wood doors were dry sanded or scraped. 

Even when there was no air exchange, the airborne particle concentrations shrank exponentially with time, as predicted by a stirred model of constantly mixed air, which predicts a longer settling time than a quiet environment. 

The turbulence in the initial room and temperature gradients produced very little air mixing, which affected particle settling.

Almost 90% of the airborne lead mass settled within an hour before final cleaning, following active abatement. After the second waiting period for an hour following the floor cleaning, additional dust settled, so there was a less than 20 microgram load of lead from the remaining airborne lead. The lead loading did not exceed about 30% under the worst-case scenario based on the clearance sampling. 

Considering more realistic conditions, the underestimates are projected to be much lower than the new HUD clearance standard for 40 micrograms per square foot for floor dust lead. 

HUD guidelines recommend a waiting period of one hour between the end of active abatement and the start of cleaning. It remains to be seen if these results hold up. The results of this study demonstrate that neither the first nor second waiting period should be increased.

Do air purifiers help with lead dust?

Environments are naturally contaminated with lead. Human activities are the main contributor to high levels in the environment.

Lead use increased the most from the 1950s to 2000 as leaded gasoline was used more widely worldwide. In addition, lead can enter the environment depending on how it is mined or processed. Lead, lead alloys, and lead compounds are produced or used in factories that release lead into the environment. Coal, oil, and waste burn and release lead into the air.

Lead particles can travel a long distance once they reach the atmosphere if they are small enough. When particles fall on land or into surface water during rainfall, lead is removed from the air.

On the other hand, using an air purifier is one of the best ways to remove the lead dust from home. It can be used both during renovations and after to decrease lead poisoning by inhalation risks for your family. 

Is there a good air purifier when it comes to lead dust?

The following list includes some of the best air purifiers for lead dust, so check them out.

5 Best Air Purifier For Lead Dust:

  1. NuWave OxyPure Air Purifier
  2. LEVOIT Air Purifier
  3. Coway Mighty AP 1512HH Air purifier:
  4. Shark 6 Air Purifier
  5. Coway Air Mega 400s

NuWave OxyPure Air Purifier:

NuWave OxyPure Air Purifier


There are many very good (and actually data-backed) reasons why this air purifier ranks among the top home air purifiers. The filtration system is the first. In order to remove pollutants from indoor air, OxyPure uses five (yes, five) filters. According to the Environmental Protection Agency (EPA), indoor air can get dirty up to five times more than the air outside your home.

The NuWave air purifier is the stuff of clean freaks’ dreams. Featuring a five-filtration system that includes both a HEPA and a carbon filter, the NuWave air purifier not only removes pollen, dust, smoke, and pet dander it also eliminates bacteria, viruses, and mold, making it a powerful weapon in the war against airborne contaminants in your home.

There are five filters on the NuWave OxyPure Smart Air Purifier, or it has a 5-stage filtration system making sure your air is clean in five different ways. There is a first-stage Pre-Filter, which is a stainless steel device that traps large pollutants and allergens, such as pollen, pet hair, and dander, in the air. 

A high-tech Bio-Guard filter is found in the second filter. By using electrostatic precipitation, these devices capture 100 percent of airborne pollutants as small as 0.09 microns and remove 99.96 percent of airborne bacteria and flu viruses within two hours.

Third, a filter removes ozone emissions and other airborne chemicals that are harmful. Where you live determines how much ozone is present at ground level (measured in parts per billion or ppb). According to the EPA, this level is the current national average. Your home’s ozone concentration can be lowered to 1ppb thanks to OxyPure’s ozone filters. 

A combo HEPA/Carbon Filter, available in filters four and five of the system, filters allergens and fumes, VOCs (such as formaldehyde and benzene), and odors. Indicator light indicates filter cleaning.

All three filters can be cleaned, and the BioGuard and ozone filters can be vacuumed—and all three are reusable for up to 20 years. It is recommended to replace HEPA and carbon filters after about one year. 


  • It comes with five filtration systems.
  • This air purifier eliminates 99.99% of bacteria and 99.6% of viruses
  • It includes an odor and air quality indicator
  • Energy-saving modes
  • With a 90-day refund guarantee


  • The filters last longer than some air purifiers, so the price is higher than some purifiers.
  • High settings can make the fan noisy.

LEVOIT Vital 100 Air Purifier:

The three-stage Levoit air purifier filters the air you breathe in several different stages. It’s ideal for allergy sufferers and pet owners.

Here are the specifications: 1) The pre-filter accommodates pet hair and dander, 2) HEPA technology captures 99.97% of the smallest particles. There is also activated carbon to control odors.

There are so many allergens that enter our homes daily – dust, pollen, smoke, mold, and pet dander are just a few. This machine removes all of them effectively.

The unit is rated for rooms measuring approximately 322 square feet. Have this unit work in a smaller room for really thorough air cleaning if you suffer from allergies.

The CADR for smoke is 135 CFM.

Auto Mode is powered by a sensor that scans the air and selects the proper fan speed and cleaning level based on the air quality. A very quiet mode during sleep. Automatic cleaning mode. One to a twelve-hour timer.

A voice-controlled air purifier, the Levoit air purifier works with Alexa. If you leave the fan in Auto Mode, you can most effectively improve the indoor air quality. Alternatively, you can use the smart remote control to change the fan speed.


  • Excellent at removing odors associated with cooking and smoke.
  • PUR series are equipped with huge honeycomb activated carbon filters that provide 30% additional purification
  • There’s nothing smarter than this air purifier: it’s smart, it’s connected to Alexa, and you can even control it with your voice.
  • It costs less than $200 with the honeycomb filter included



  • Such high-efficiency air purifiers shouldn’t have a CADR rating of 135
  • In rooms larger than 450 square feet

Coway Mighty (AP-1512HH) Air Purifier:

CO WAY AP 1 V 1 2 HH Mighty

If you are looking for the new best air purifier right now, Coway’s AP-1512HH is a great choice. It’s still a fantastic device and plenty of gas in the tank, even though many newer products are available.

Manufacturers of low-cost air purifiers often have to sacrifice a better air filter, a lower noise level, or a stronger fan. It is astounding that there are no sacrifices within the Coway AP-1512HH. As a result, Coway added enough air purification technology to compete with Winix and their PlasmaWave Technology. The Coway AP-1512HH has a 4-stage filtration system:

Pre-filter – You can filter out large contamination particles like pet hair, human hair, and mold by using a washable pre-filter. Pre-filters like this one are washable and lasting, so they should be used permanently.

Activated carbon filters help to keep your place smelling fresh and odorless by deodorizing and trapping harmful gases.

The True HEPA filter reduces 99.97% of allergens, virus particles, pollen, mold, and fungi particles down to 0.3 microns and captures 99.97% of particles as small as 0.3 microns.The Vital Ionizer Ionizer will enhance the cleaning power and freshen the air. Easily switchable.


  • Innovative tech
  • And creative design
  • Provide outstanding performance


  • It is not possible to turn off the top light

Shark 6 Air Purifier:

Shark 6 air purifier

There are several floor-based air purifying units available, and the Shark Air Purifier 6 is designed to cover areas of 500 to 800 square feet. I found that it gave adequate air circulation on the first level. There are 32 inches of height, 17 inches of width, and 9 inches of depth. It circulates and filters air using six fans. The ‘6’ in its name refers to its six fans. 

The system can capture particles as small as PM 1.0. PM stands for particulate matter, which is the metric for air pollutants used by Shark. The machine does a good job of imposing its presence, but it doesn’t overtake the room.

What comes with the air purifier?

  • Its top has touch controls.
  • LCD display.
  • A filter has a lifespan of 4000 hours when it starts out (filter has a lifetime of 4000 hours).
  • Filters finer particulate matter at four different power settings.
  • On the front and top of the unit, it displays the air quality as a percentage.

Two specific areas could be improved on the Shark Air Purifier 6: the top touch controls and the filter itself. It is imperative to wipe down the top of the unit frequently since it readily accumulated fingerprints, whatever glass material. 

Although it is not a deal-breaker, I can surmise that the black unit will suffer from this issue ten times more, and any settings created will be changed when wiped down.

How many kinds of filters are there? Filters for allergen removal – 89.99; Filters for allergen removal with Odor Lock – 99.99; Filters for allergen removal with Advanced Odor Lock & Fumes Lock – 89.99. Shark Air Purifier 6 is an expensive product, so it is important to understand how much it will cost to own if you choose to purchase it. However, I can understand the limitations of ownership cost that high every six months, especially with a so functional device.

Here you can read the detail review of Shark 6 Air Purifier.


  • Easy setup and use
  • Modern style
  • A fingerprint that isn’t obtrusive
  • Effortless operation
  • With timer
  • Control via remote



  • It is easy to fingerprint the top touch controls
  • It would be nice if there were a scheduling feature like on a robotic vacuum
  • That lets you know the lifetime of the filter

Levoit Core 300 Air Purifier:

LEVOIT Core 300 Air Purifier

The Levoit Core 300 was probably the air purifier you heard about when you heard about Levoit. I am referring to the one with over 22,000 positive Amazon reviews, and that number isn’t a typo. The Levoit Core 300 has been bought and reviewed more than 22,000 times.

The most popular air purifier by Levoit cannot be missed. With a CADR rating of 135 and a small footprint of 219 square feet, this air purifier is a great option for small rooms. Each house can have quite a few of these rooms, as it’s ideal for 14×14, 16×16, and 18×18 rooms.

Furthermore, it’s extremely energy efficient. Energy Star certification for the Core 300 makes it one of the best air purifiers on the market today.

Levoit Core 300 is popular because of its energy efficiency. Due to the device’s excellent specs and reviews (based on specs and reviews), it is not uncommon to buy up to 4 Levoit Core 300. With Levoit Core 300, the weight is under 10 pounds, it’s easy to carry, and it looks decent in a room.

Check out the article on where to place air purifiers here if you decide to purchase quite a few Levoit Core 300. By doing so, you can take full advantage of this outstanding and incredibly popular Levoit air purifier.


  • Levoit air purifier is the best-selling and most popular one in its category.
  • Positive reviews on Amazon; customers purchase several units in one go
  • For smaller rooms (14*14, 16*16, or 18*18), 135 CADR rating is very impressive
  • since it costs under $100, which is simply absurd


  • The system isn’t for rooms larger than 400 square feet (you can use two of them in one room, though).
  • Does not have an upgraded honeycomb filter like PUR131, but it does have a standard activated carbon filter.

Coway AirMega 400S Air Purifier:

Coway Airmega 400S

You may want to consider ways to improve the indoor air quality of your home if it is overrun with smoke, dust, pollen, pet hair, and other contaminants. A high-quality air purifier will help you maintain a healthier indoor environment even if you regularly vacuum and clean your HVAC filters.

The Coway Airmega 400 Smart Air Purifier is a great new model among the top names in the air purifier industry.

You can choose between white and graphite/silver for the Airmega 400. My dining room’s dark tones worked well with the graphite model I tested. There is a little room between the unit and the wall, but it does not overpower the room.

Because the unit weighs 25 pounds, you cannot lug it around the house to purify the air in every room of your house. You will only be able to move it if there are handles on both sides.

The airspace covered is 24,960 cubic feet per hour. Alternatively, it can clean the air four times in an hour in a 28′ x 28′ room with an 8′ ceiling. Activated carbon and True HEPA are included in the Max2 filter set, which is a single filter.

  • The Max2 filter set runs on 120V* 60Hz.
  • This filter set is Energy Star-certified and powered by 66W.
  • Air purifiers can shut off automatically after four hours or eight hours.

It’s easy to maintain and clean the Airmega 400. If your home is heavily polluted, cleaning the pre-filters about every two weeks is recommended. The debris is easily removed with a hand vacuum. Coway recommends wiping the vents and pollution sensor every two months with a soft dry cloth as an additional precaution.

Ensure that the plastic is removed from the two Max2 filters on either side of the Airmega prior to turning it on. The process was effortless, and I was able to familiarize myself with the device in no time. A helpful user manual explains everything clearly.


  • Runs quietly 
  • 15-minute air-purifying treatment for a 760-square-foot room 
  • That is attractive and energy-efficient



  • It is expensive to replace the filters 
  • And does not remove VOCs as well

Final thougts:

I hope you now understand why it is a smart idea to invest in an air purifier if you are looking to keep your home clean and dust-free. Ensure that your best air purifier for lead dust contains a True HEPA filter, which is rated as an efficient dust filter for rooms.