Three Sisters Wilderness Air Quality Today
Current AQI at Three Sisters Wilderness is 19, rated Good. PM2.5 concentration 3.5 micrograms per cubic meter. 3 active fires within 75 miles.
Wilderness Area / OR
Three Sisters Wilderness
Check conditions before you go
Open, but check conditions first. A fire is burning about 43 miles away. Easy outings are fine; save the big push for a clearer day.
Why: 3 fires within 50 mi
Wind from the SSW at 9 mph, 54°F — blowing the nearby fire’s smoke away from you
PM2.5: 3.5 µg/m³ from the nearest monitor
Conditions change fast and this data can be delayed or estimated. Treat this as guidance, not a guarantee, and check official sources and agency and AirNow alerts before you go.
Clear air nearby
Three Sisters Wilderness isn't a clear pick right now. These are good to go and within reach:
Last 30 days
About average for the last month (23)Fire activity nearby
3 named incidents within 75 miles
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Nearby public lands
About this data
AQI from EPA AirNow monitors, and where none is close, the nearest EPA-corrected PurpleAir community sensor (labeled as an estimate). Refreshed through the day. Managed by U.S. Forest Service. Wind from Open-Meteo. Fire data from NIFC WFIGS. Smoke analysis from NOAA HMS. Boundaries from USGS PAD-US 4.0. Where no sensor is anywhere near, we say so rather than guess.
Important
More Than Just Parks aggregates third-party data from EPA AirNow, NOAA, NASA FIRMS, and NIFC/WFIGS. Readings can be delayed, estimated, incomplete, or wrong, and conditions on the ground change quickly. This tool is for general information only and is not a substitute for official air quality alerts, fire and evacuation orders, land manager closures, or emergency services. Verify with the managing agency and local authorities before making any travel, health, or safety decision. We make no warranty as to accuracy and accept no liability for decisions made using this information. This is not a medical tool. If you have a health emergency, call 911 or your doctor. Terms of Service.