What Tiny Particle Is Becoming More Concentrated In The Air Due To Wildfire Smoke? (2023)

1. [PDF] i. health effects - of wildfire smoke - AirNow.gov

  • Air pollution, such as wildfire smoke, can lead to breathing difficulties for people with chronic lung diseases, such as asthma and COPD, and potentially.

2. Wildfire smoke impacts respiratory health more than fine particles from ...

  • Mar 5, 2021 · Wildfires are becoming more frequent and destructive in a changing climate. Fine particulate matter, PM2.5, in wildfire smoke adversely ...

  • Wildfires are becoming more frequent and destructive in a changing climate. Fine particulate matter, PM2.5, in wildfire smoke adversely impacts human health. Recent toxicological studies suggest that wildfire particulate matter may be more toxic than equal doses of ambient PM2.5. Air quality regulations however assume that the toxicity of PM2.5 does not vary across different sources of emission. Assessing whether PM2.5 from wildfires is more or less harmful than PM2.5 from other sources is a pressing public health concern. Here, we isolate the wildfire-specific PM2.5 using a series of statistical approaches and exposure definitions. We found increases in respiratory hospitalizations ranging from 1.3 to up to 10% with a 10 μg m−3 increase in wildfire-specific PM2.5, compared to 0.67 to 1.3% associated with non-wildfire PM2.5. Our conclusions point to the need for air quality policies to consider the variability in PM2.5 impacts on human health according to the sources of emission. Recent toxicological studies suggest that wildfire particulate matter may be more toxic than equal doses of ambient PM2.5. Here, the authors show that even for similar exposure levels, PM2.5 from wildfires is considerably more dangerous for respiratory health at the population level.

3. Wildfire smoke's toxic influence | Stanford News

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  • Wildfire smoke has slowed or reversed progress on healthy air in 35 states, erasing a quarter of recent air quality gains in just six years.

4. Wildfires are destroying decades of clean air efforts in the U.S.

5. Tiny smoke particles could make wildfires particularly harmful to ...

  • Missing: concentrated | Show results with:concentrated

  • "The size of that particulate can, when you inhale it, go all the way to the base of your lungs and then cross over into your bloodstream," one expert said.

6. What You Need to Know About Wildfire Smoke

  • Sep 3, 2021 · Smoke from forest fires becomes more toxic with time. While the smoke particles are in the air, they react chemically with trace radicals — ...

  • Wildfire smoke is dangerous even when you aren't close to an active blaze.

7. What to know about the Air Quality Index from wildfire smoke and how ...

  • Jun 7, 2023 · But wildfires likely contain PM2.5 that is up to 10 times more harmful than the same type of air pollution coming from combustion activity, ...

  • Smoke from the wildfires burning in Canada is threatening the health of millions of people -- even non-vulnerable populations with no preexisting conditions.

8. Indoor Air Cleaners and Wildfire Smoke FAQ

  • Aug 20, 2021 · Particles from smoke tend to be very small (with diameters of 2.5 micrometers and smaller). They are small enough to get deep into the lungs ...

  • Why are indoor air cleaners important? Indoor air cleaners help filter out small particulate matter that can cause health impacts.

9. Wildfire Smoke Exposure and Human Health: Significant Gaps in ... - NCBI

  • Aug 30, 2017 · As other air pollution sources decline with regulatory efforts and wildfires increase, wildfire smoke will become a more significant source of ...

  • Understanding the effect of wildfire smoke exposure on human health represents a unique interdisciplinary challenge to the scientific community. Population health studies indicate that wildfire smoke is a risk to human health and increases the healthcare ...

10. Why Wildfire Smoke Pollution Is So Intense Right Now—and Likely to ...

  • Jun 9, 2023 · SA: Wildfires produce a variety of particles and gases from the burning of vegetation such as organic carbon, black carbon, nitrogen oxides, ...

  • Scientists from GW’s Climate and Health Institute discuss why and how air pollution from Canadian wildfires is affecting the U.S., plus how to stay safe.

11. Smoke Ready California | California Air Resources Board

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  • California is facing increasingly catastrophic wildfire seasons. Wildfire smoke – a complex mixture of air pollutants – is unhealthy to breathe and can be especially dangerous for children, the elderly, pregnant women, and people with heart or respiratory conditions. These sensitive groups are advised to limit outdoor activities, especially when the Air Quality Index (AQI) reaches levels considered ‘Unhealthy for Sensitive Groups’ or above. Even healthy people may experience symptoms in smoky conditions or after exposure.

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