Flagstaff air quality · Arizona, United States
Air this clean can boost your mood and focus
US AQI 23 (Good) in Flagstaff, from 1 AirNow monitoring station. Main pollutant: PM2.5.
Updated
Pollutants in Flagstaff
- Ozone12AQI
- PM2.523AQI
US values are per-pollutant AQI from the highest-reading monitor near Flagstaff (840MMAZ10002).
Is it safe outside in Flagstaff right now?
Air quality is satisfactory and poses little or no risk.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 0–50 means for your health →
Flagstaff air quality history
Daily average, 36 days- 34average daily US AQI over 36 days
- 46worst day, 4 October
- 21cleanest day, 24 September
- 0days at Unhealthy or worse
The last 7 days averaged 38, about the same as the week before (38). 36 of the last 36 days were Good.
Weather in Flagstaff
No active National Weather Service alerts for Flagstaff.
| Day | Forecast | High | Low | Rain |
|---|---|---|---|---|
| Mon 19 | Chance Showers And Thunderstorms | 61°F | 39°F | 36% |
| Tue 20 | Sunny | 63°F | 45°F | 76% |
| Wed 21 | Showers And Thunderstorms | 61°F | 45°F | 93% |
| Thu 22 | Showers And Thunderstorms | 54°F | 34°F | 93% |
| Fri 23 | Sunny | 52°F | 30°F | 9% |
| Sat 24 | Sunny | 52°F | 32°F | 9% |
| Sun 25 | Sunny | 55°F | 36°F | 11% |
National Weather Service forecast. All US weather alerts →
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Flagstaff air quality: common questions
What is the AQI in Flagstaff right now?
The US AQI in Flagstaff is 23 (Good). The main pollutant is PM2.5.
Is it safe to go outside in Flagstaff today?
A great time to be outside. Air quality is satisfactory and poses little or no risk. For runners: A great time to run outdoors.
How has air quality in Flagstaff been recently?
Over the last 36 days with data, Flagstaff averaged US AQI 34. The worst day was 4 October at 46; the cleanest was 24 September at 21. 0 days were at Unhealthy or worse.
Where does Flagstaff's air quality data come from?
From US EPA AirNow, using 1 monitoring station in and around the city. Good Air does not estimate or adjust these readings.
Source: US EPA AirNow. Readings are published by the monitoring agency and may be revised.