Air Quality in Flagstaff, United States
Clear
27.5°C · 33.8% humidity
27.5°
Feels 27.5°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Flagstaff's air quality — share it
AQI Forecast
54
6pm
54
54
42
9pm
45
28
30
12am
31
32
32
3am
33
33
26
6am
27
27
27
9am
27
27
27
12pm
27
27
27
3pm
27
34
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.
33.8%
Humidity
18.6 km/h
Wind WNW
1014.5 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.0 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Flagstaff?
Temperature & Precipitation
PM2.510.0 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX12.9
Extreme
What is the 7-day forecast for Flagstaff?
08-03
27.5° 14.8°
6.75 mm
08-04
25.8° 16.4°
5.06 mm
08-05
28.2° 15.5°
8.69 mm
08-06
25.4° 14.8°
18.75 mm
08-07
24.2° 15.6°
3.5 mm
08-08
22.3° 13.9°
12.94 mm
08-09
24.0° 13.2°
18.19 mm
Both models agree
Avg diff: 3.8°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T04:43 UTC.