Air Quality in Westerville, United States
Windy
11.8°C · 69.1% humidity
11.8°
Feels 11.8°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
37
7pm
37
37
37
10pm
37
37
37
1am
37
37
37
4am
25
25
25
7am
25
25
25
10am
25
25
37
1pm
37
37
37
4pm
37
37
69.1%
Humidity
54.0 km/h
Wind S
1024.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Westerville?
Temperature & Precipitation
PM2.515.94 µg/m³
×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Westerville?
04-09
16.1° 4.6°
04-10
18.7° 7.4°
04-11
14.5° 10.7°
0.19 mm
04-12
22.5° 11.9°
0.5 mm
04-13
23.1° 15.8°
0.06 mm
04-14
22.2° 17.0°
1.75 mm
04-15
21.0° 10.1°
26.31 mm
Both models agree
Avg diff: 4.9°C
What cities are near Westerville?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:11 UTC.