Air Quality in Dayton, United States
Drizzle
28.8°C · 60.0% humidity
28.8°
Feels 32.6°
81
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Dayton's air quality — share it
AQI Forecast
54
10am
54
54
81
1pm
68
58
51
4pm
46
43
33
7pm
32
28
27
10pm
26
25
25
1am
25
25
25
4am
25
25
25
7am
24
24
Air Quality Index Trend
13h · 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 24-hour guideline of 15 µg/m³.
60.0%
Humidity
29.4 km/h
Wind NE
1012.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
26.35 µg/m³
PM10
59.3 µg/m³
050100150200300500
What is the weather forecast for Dayton?
Temperature & Precipitation
PM2.5 Trend
13h · 1 stationPM2.526.35 µg/m³
×1.8 WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX4.4
Moderate
What is the 7-day forecast for Dayton?
07-21
28.8° 20.6°
4.06 mm
07-22
26.0° 20.6°
0.88 mm
07-23
22.0° 16.1°
3.38 mm
07-24
26.4° 15.9°
1.94 mm
07-25
20.8° 17.8°
5.06 mm
07-26
26.2° 17.7°
5.5 mm
07-27
25.9° 20.1°
0.81 mm
Both models agree
Avg diff: 3.9°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 2026-07-21T17:13 UTC.