Air Quality in Flagstaff, United States
Drizzle
23.5°C · 44.0% humidity
23.5°
Feels 23.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Flagstaff's air quality — share it
AQI Forecast
27
9am
27
27
25
12pm
25
25
25
3pm
25
25
25
6pm
25
25
25
9pm
25
25
25
12am
25
25
24
3am
24
25
25
6am
25
24
Flagstaff's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
44.0%
Humidity
25.4 km/h
Wind ENE
1018.2 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.9 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Flagstaff?
Temperature & Precipitation
PM2.55.9 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
What is the 7-day forecast for Flagstaff?
09-05
23.5° 14.5°
2.19 mm
09-06
25.1° 12.5°
1.13 mm
09-07
25.9° 14.1°
0.5 mm
09-08
27.8° 13.0°
1.38 mm
09-09
22.2° 11.4°
6.56 mm
09-10
24.3° 9.3°
0.75 mm
09-11
21.3° 13.5°
0.88 mm
Both models agree
Avg diff: 3.6°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T19:25 UTC.