Track incoming wildfire smoke, see real-time air quality, and view active fires on OpenSnow.

These high-resolution maps on OpenSnow highlight the exact location of active fires and forecast their downstream smoke impacts for the next 2 days.

1. Tap the "Maps" tab.
2. Tap the overlay button.
3. Tap any "Air Quality" or "Wildfire" map.
4. Scrub the bottom slider.

Air Quality Real-Time

Use this map to view the current PM 2.5 air quality index from PurpleAir sensors. Shown as the 10-minute average for the past 24 hours and available worldwide.

View → Air Quality Real-Time

Air Quality Forecast

Use this map to view the likely location of smoke and other pollutants for the next 5 days. Updated 4 times per day and available worldwide.

View → Air Quality Forecast

Smoke Hi-Res (surface)

Use this map to track smoke for the next 2 days near the ground where it can impact breathing. Updated every hour and available for the continental United States.

View → Smoke Hi-Res (surface)

Smoke Hi-Res (sky)

Use this map to track smoke for the next 2 days in the sky where it can impact visibility. Updated every hour and available for the continental United States.

View → Smoke Hi-Res (sky)

Smoke (surface)

Use this map to track smoke for the next 2 days near the ground where it can impact breathing. Updated every hour and available across all of North America.

View → Smoke (surface)

Smoke (sky)

Use this map to track smoke for the next 2 days in the sky where it can impact visibility. Updated every hour and available across all of North America.

View → Smoke (sky)

Active Fires

Use this map to track named fire incidents in the US & Canada, fire perimeters in the US & Canada, and satellite-detected hotspots, globally.

View → Active Fires

Here's an example of wildfire smoke moving into New York on June 7, 2023.

Track air quality and wildfire smoke on any device by upgrading to All-Access. The benefits include 10-day hourly weather forecasts, expert local analysis, custom weather alerts, and much more.

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Questions? Send an email to [email protected] and we'll respond within 24 hours. You can also visit our Support Center to view frequently asked questions and feature guides.

Sam Collentine