Dayton air quality · Ohio, United States
Air this clean can boost your mood and focus
US AQI 45 (Good) in Dayton, from 1 AirNow monitoring station. Main pollutant: PM2.5.
Updated
Pollutants in Dayton
- PM2.545AQI
- PM1016AQI
- Ozone4AQI
US values are per-pollutant AQI from the highest-reading monitor near Dayton (Sinclair).
Is it safe outside in Dayton 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 →
Dayton air quality history
Daily average, 36 days- 40average daily US AQI over 36 days
- 60worst day, 1 October
- 21cleanest day, 17 October
- 0days at Unhealthy or worse
The last 7 days averaged 41, about the same as the week before (39). 28 of the last 36 days were Good.
Weather in Dayton
No active National Weather Service alerts for Dayton.
| Day | Forecast | High | Low | Rain |
|---|---|---|---|---|
| Mon 19 | Sunny | 70°F | 43°F | 0% |
| Tue 20 | Sunny | 70°F | 45°F | 0% |
| Wed 21 | Sunny | 70°F | 43°F | 0% |
| Thu 22 | Sunny | 70°F | 46°F | 0% |
| Fri 23 | Sunny | 70°F | 45°F | 0% |
| Sat 24 | Sunny | 72°F | 46°F | 0% |
| Sun 25 | Mostly Sunny | 72°F | 48°F | 1% |
National Weather Service forecast. All US weather alerts →
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Dayton air quality: common questions
What is the AQI in Dayton right now?
The US AQI in Dayton is 45 (Good). The main pollutant is PM2.5.
Is it safe to go outside in Dayton 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 Dayton been recently?
Over the last 36 days with data, Dayton averaged US AQI 40. The worst day was 1 October at 60; the cleanest was 17 October at 21. 0 days were at Unhealthy or worse.
Where does Dayton'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.