Air Quality in Westerville, United States

Windy
19.6°C · 85.5% humidity
19.6°
Feels 19.6°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
27 3am
27
27
17 6am
20
22
23 9am
24
25
26 12pm
26
24
25 3pm
25
25
25 6pm
25
25
24 9pm
25
25
25 12am
25
25
AD 728×90

Air Quality Index Trend

46h · 2 stn

Westerville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

85.5%
Humidity
41.5 km/h
Wind SSW
1013.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
17
3.95 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Westerville?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.53.95 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
3.95
Median
3.95
Average
3.1
Low
4.8
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +2.5

What is the 7-day forecast for Westerville?

06-09
29.9° 9.7°
0.06 mm
06-10
25.2° 21.2°
4.44 mm
06-11
22.4° 10.2°
06-12
26.0° 17.0°
2.63 mm
06-13
27.5° 20.1°
9.31 mm
06-14
24.9° 14.4°
0.13 mm
06-15
30.1° 19.4°
1.94 mm
Both models agree Avg diff: 4.7°C

Where are air quality stations near Westerville?

24
New Albany, Ohio, USA
10.7 km PM2.5: 5.8 µg/m³
9
New Albany, Ohio, USA
10.7 km PM2.5: 2.2 µg/m³
38
New Albany, Ohio, USA
10.7 km PM2.5: 9.1 µg/m³

What cities are near Westerville?

17 Gahanna 17 Whitehall 17 Upper Arlington 17 Reynoldsburg 24 Hilliard 24 Delaware 17 Pataskala 24 Grove City 17 Pickerington 25 Marysville
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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 2026-06-09T10:47 UTC.