Know the exact location of active fires and avoid getting caught in the smoke.

Our 3D maps in OpenSnow:

• Highlight the exact location and details for active fires.
• Show nearby air quality from PurpleAir sensors.
• Forecast downstream air quality and smoke impacts for the next 2-5 days.

Getting Started

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 the Active Fires map from the "Falls Fire" in eastern Oregon on Monday, June 22. Tap (mobile) or hover (desktop) over the map to view the details:

Here's an example of the smoke forecast from multiple fires in eastern Oregon on Monday, July 22:

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