Live Wildfire Smoke Map
Get Alerts For Wildfires In Your Area
The moment a wildfire starts near you, you'll get an instant alert and simple tips to reduce your smoke exposure.
What's In The Smoke
30xSmaller than a human hair
Fine enough to reach deep into the lungs. A MERV 13 is built to capture it.
How Far It Travels
It Doesn't Stay Local
Smoke rides the wind far downwind — you can get smoky air with no fire nearby.
What To Do During A Smoke Event
Simple steps to reduce indoor exposure.
- Stay In, Close UpShut windows and doors to keep smoke out.
- Set Fan To "On"Keeps air cycling through your filter, not just when heating or cooling.
- Recirculate AirSwitch off fresh-air intake so you're not pulling smoke in.
- Run A MERV 13Built to capture the fine PM2.5 in smoke.
- Add A PurifierExtra filtration for the room you use most.
- Wear an N95 if OutsideFits snug to block fine particles — a cloth mask won't.
The Best Air Filter For Wildfire Smoke
During smoke events, the EPA recommends upgrading to a MERV 13 filter — or the highest-rated filter your system can handle — to help reduce the fine particles smoke brings indoors. MERV 13 is the level most home HVAC systems can run while still capturing PM2.5, the fine particulate that makes up the bulk of wildfire smoke.
- Captures PM2.5 particles
- Blocks ash, soot, and smoke odor
- Keeps your indoor air safe—even when the outdoor air is dangerous
- Meets the EPA's recommended rating for filtering fine wildfire smoke particles.
Wildfire Smoke FAQs
Facts About Wildfires
Over 70,000 wildfires burn in the U.S. every year.
Wildfire smoke can travel 1,000+ miles, affecting states that aren't even near the blaze.
Exposure to wildfire smoke can worsen asthma, trigger heart issues, and lead to ER visits.
Indoor air can hold more fine particles during wildfire events unless it's properly filtered.
The EPA advises using MERV 13 filters or portable HEPA air cleaners during wildfire smoke events.
Don't Wait Until The Smoke's Inside.
Use the live wildfire smoke tracker and upgrade your air filters today to protect your lungs and your home.
Shop Filters For Smoke Protection
Real-Time Wildfire and Smoke Map Including Air Quality Index Ratings
Sign up for air quality alerts sent straight to your email.
See Where Wildfires Are Burning Now And How To Protect Your Indoor Air
Wildfires are no longer just a local problem. Their smoke can travel hundreds—even thousands—of miles, affecting the air you breathe long after the flames are out.
Use Filterbuy’s Live Wildfire Smoke Map to:
- Track active wildfires across the U.S.
- See how far wildfire smoke is spreading—even into your region
- Learn how to protect your family’s lungs indoors with expert recommendations
Wildfire Smoke Travels Far And Lingers Long
Even if there’s no fire near you, wildfire smoke may already be in your air. Scientific research confirms that PM2.5 fine particles from wildfire smoke can travel across state lines and penetrate deep into your lungs.
Health risks from wildfire smoke include:
- Headaches, fatigue, brain fog
- Worsened asthma or allergies
- Heart and lung inflammation
- Long-term effects even after short exposures
How To Protect Your Indoor Air During Wildfire Events
Step 1: Check Your Air Quality
Use the wildfire map and our AQI map for your area daily to check for events near you that may be affecting your air quality.
Step 2: Switch To A MERV 13 Filter
The EPA recommends using air filters rated MERV 13 or higher during wildfire smoke events.
- Capture PM2.5 particles from wildfire smoke
- Block ash, soot, and smoke odor
- Keeps your indoor air safe even when outdoor air is dangerous
- Meets EPA guidance for wildfire smoke days
Note: Standard filters (MERV 8 and below) will NOT protect against wildfire smoke.
Once outdoor air quality improves, you can switch back to your regular filter to maximize airflow and cost-efficiency. Buy in bulk and keep on hand for wildfire and smoke events in your area.
Wondering where the wildfires are? See active fire zones and track wildfire smoke drifting toward your area—live.
Wildfires are becoming more frequent and more intense—and even
if you’re far from the flames, the smoke can still affect your
health. Use Filterbuy’s Live Wildfire Smoke Map to track active
wildfires, view smoke plumes in real time, and see how your
local air quality is being impacted.
Whether you’re checking for wildfires near you or trying to
understand if wildfire smoke is in your air, this map gives you
the most up-to-date data in one place.
Breathe better, stay safe, and prepare your home with
real-time wildfire smoke tracking.
Did You Know?
-
Over 70,000 wildfires burn in the U.S. every year. -
Wildfire smoke can travel 1,000+ miles, affecting states that aren’t even near the blaze. -
Exposure to wildfire smoke can worsen asthma, trigger heart issues, and lead to ER visits. -
Indoor air can become 5× more polluted than outdoor air during wildfire events—unless properly filtered. -
The EPA advises using MERV 13 filters or portable HEPA air cleaners during wildfire smoke events.
Wildfire Smoke & Air Quality FAQs
Learn more: How Far Can Wildfire Smoke Travel? →
- Headaches, dizziness, and fatigue
- Worsening of asthma or lung conditions
- Allergic reactions and sore throat
- Long-term respiratory and cardiovascular effects
Shop now: Best MERV Air Conditioner Filter for Wildfire Smoke →
Learn more: Do Air Conditioners Filter Wildfire Smoke? →
Learn more: How Long Does Wildfire Smoke Stay in the Air? →
- Use MERV 13 filters in your HVAC system
- Run air purifiers with activated carbon filters
- Close windows and seal air leaks
- Ventilate safely when air quality improves
- Track wildfire smoke with a live map
- Check your local AQI regularly
- Upgrade to a MERV 13+ air filter
- Use air purifiers in main rooms
- Limit outdoor air entry and seal leaks
Learn more: Can Wildfire Smoke Cause Allergies? →
Don’t wait until the smoke’s inside.
Use the live wildfire smoke tracker and upgrade your air filters today to protect your lungs and your home.
Shop Filters for Smoke Protection
Live USA Wildfire and Smoke Map: National AQI Tracker and Indoor Protection Guide
Wildfire smoke can move across state lines within hours. In this blog, you will learn how to read the national live map, what AQI means for daily decisions, and how to set up simple, effective indoor protection for homes, schools, and workplaces.
Key Takeaways
Use the AirNow Fire and Smoke Map for live AQI and plume movement, then recheck after wind or frontal shifts.
Keep windows closed, set HVAC to recirculate, and use the highest MERV your system can handle while maintaining normal airflow.
Create one clean air room with a right sized HEPA purifier. Inspect filters more often during smoke events.
One-inch filters load fast. If the cabinet allows two-inch or four-inch pleated filters last longer.
How to Use the National Live Map in 60 Seconds
Open the AirNow Fire and Smoke Map.
Enter your city or ZIP code.
Tap a monitor for AQI and health guidance.
Slide the time bar to see expected changes and plan errands for the clearest window.
AQI quick guide: 0–50 Good, 51–100 Moderate, 101–150 Unhealthy for Sensitive Groups, 151+ Unhealthy or worse. Use 101+ as your cue to limit outdoor exertion and increase indoor filtration.
Filtration vs Ventilation on Smoky Days
Filtration cleans recirculated indoor air. Use a pleated MERV filter at the HVAC return and a HEPA purifier in the main room.
Ventilation brings in outdoor air. During smoke, reduce outside air and switch to recirculate. Ventilate only after the map shows sustained improvement.
Home Setup by Climate Zone
Hot-humid and hot-dry regions: Run cooling on recirculate. Seal gaps around window or portable AC units.
Marine and mixed climates: Afternoon wind shifts are common. Recheck AQI before opening windows.
Cold seasons: Short “airing out” is fine only when AQI improves for several hours. Return to recirculate if levels rise.
Clean Air Room Playbook
Pick one bedroom or living area, close doors and windows, and run a HEPA purifier sized for the space. Keep activities light when AQI is high. If heat and smoke overlap, prioritize a clean and cool room with safe cooling.
Workplaces and Schools
Offices and classrooms: Post the day’s AQI. At 101+, keep doors closed, run HVAC continuously on recirculate, and use the highest MERV the system supports. Add HEPA units in meeting rooms and gyms.
Outdoor work crews: Stagger heavy tasks to the clearest hours, schedule extra breaks indoors, and provide NIOSH-approved N95 or P100 respirators when AQI is high.
Diy Box-Fan Filters, Done Safely
A box fan with a MERV 13 filter can help short term. Use a newer certified fan, cover the full intake, point the airflow away from people, and do not leave it unattended. Replace the filter early if it looks gray or matted.
After the Smoke: Recovery Steps
Replace smoke-loaded filters, vacuum with a HEPA vacuum, wipe hard surfaces with a damp cloth, and clean supply and return grilles. If ash entered from an open window, wear gloves and a tight-fitting mask while cleaning.
When to Replace Filters During Smoke Season
Check monthly by default. During prolonged smoke, inspect every one to two weeks and replace early if airflow drops or the media looks matted. If your cabinet allows a two-inch or four-inch pleated filter provides more media and longer life than a one-inch filter.
Get Smoke-Ready with Filterbuy
Stock the filters you need before smoke arrives. Order exact-fit MERV 13 pleated filters from Filterbuy in standard or custom sizes. Filters are made in the USA and ship fast with free delivery. Turn on Auto Delivery so replacements arrive on schedule through smoke season.