Air Quality in Dayton, United States
Windy
13.7°C · 65.8% humidity
13.7°
Feels 13.7°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Dayton's air quality — share it
AQI Forecast
27
2pm
34
34
38
5pm
27
27
27
8pm
25
25
25
11pm
25
25
25
2am
24
24
25
5am
25
25
25
8am
24
24
24
11am
24
24
Air Quality Index Trend
33h · 1 stnDayton's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Dayton is 1.8× the WHO annual guideline of 5 µg/m³.
65.8%
Humidity
73.2 km/h
Wind N
1022.9 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.96 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Dayton?
Temperature & Precipitation
PM2.5 Trend
33h · 1 stationPM2.58.96 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX6.9
High
What is the 7-day forecast for Dayton?
05-28
31.6° 20.7°
10.25 mm
05-29
28.3° 9.5°
05-30
20.6° 17.8°
0.56 mm
05-31
28.9° 10.6°
06-01
29.4° 15.7°
0.38 mm
06-02
21.8° 11.9°
06-03
24.7° 22.1°
10.88 mm
Both models agree
Avg diff: 4.1°C
What cities are near Dayton?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T21:46 UTC.