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How to Monitor Air Quality During Wildfire Smoke Events

June 18, 2026 · The Clime Team
How to Monitor Air Quality During Wildfire Smoke Events

Wildfires can significantly degrade air quality, posing health risks even in areas distant from the fire's origin. Monitoring air quality during such events is crucial for protecting your health.

What Is the Air Quality Index (AQI)?

The AQI is a color-coded system developed by the U.S. Environmental Protection Agency (EPA) to communicate how clean or polluted the air is. It measures pollutants like particulate matter (PM₂.₅), which are tiny particles that can penetrate deep into the lungs. During wildfire events, PM₂.₅ levels often rise, leading to poor air quality. (epa.gov)

How Can I Check Air Quality During Wildfire Smoke Events?

To assess air quality during wildfire smoke events, the EPA recommends using the AirNow Fire and Smoke Map. This tool provides real-time data on air quality, including current AQI levels, smoke plumes, and fire locations. You can access the map online or through the AirNow mobile app. (airnow.gov)

What Does the AirNow Fire and Smoke Map Show?

The AirNow Fire and Smoke Map displays:

  • Current AQI Levels: Indicates the concentration of pollutants in the air.

  • Smoke Plumes: Visual representation of smoke movement and density.

  • Fire Locations: Shows active wildfire incidents.

  • Health Recommendations: Guidance on protective actions based on current air quality. (airnow.gov)

How Often Should I Check the Air Quality?

Air quality can change rapidly during wildfire events due to shifting winds and fire behavior. It's advisable to check the AirNow Fire and Smoke Map frequently for the most up-to-date information. (airnow.gov)

What Are the Health Implications of Poor Air Quality?

Exposure to wildfire smoke can lead to respiratory issues, eye irritation, and exacerbation of existing health conditions like asthma and heart disease. Vulnerable groups, including children, the elderly, and individuals with pre-existing health conditions, are at higher risk. (epa.gov)

How Can I Protect Myself During Wildfire Smoke Events?

  • Stay Informed: Regularly monitor air quality updates.

  • Limit Outdoor Activities: Reduce physical exertion outdoors when air quality is poor.

  • Create a Clean Indoor Environment: Keep windows and doors closed, use air purifiers with HEPA filters, and set air conditioning systems to recirculate indoor air. (epa.gov)

  • Use Protective Gear: If you must go outside, consider wearing a tight-fitting N95 or KN95 mask to reduce inhalation of harmful particles. (time.com)

Conclusion

Monitoring air quality during wildfire smoke events is essential for safeguarding your health. Utilizing tools like the AirNow Fire and Smoke Map and understanding the AQI can help you make informed decisions and take appropriate protective measures.

Highlights:

  • The Best Ways to Protect Yourself From Wildfire Smoke and Ash, Published on Tuesday, January 14
  • Smoke From Canadian Wildfires Is Blanketing Parts of the U.S. Here's How to Protect Yourself, Published on Saturday, August 02
  • Wildfire Smoke Can Be Terrible For Your Health. Here's How to Stay Safe, Published on Tuesday, October 10

Frequently Asked Questions