What is the air quality in Westerville today?

The current Air Quality Index (AQI) in Westerville is 41 (Good). PM2.5 concentration is 9.95 µg/m³.

What is the temperature in Westerville right now?

The current temperature in Westerville is 10.0°C (feels like 6.4°C). Humidity is 68.0% and wind speed is 32.9 km/h.

Is it safe to go outside in Westerville?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Westerville, United States

Partly Cloudy

10.0°C · 68.0% humidity

10.0°

Feels 6.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

33h · 2 stn

View full history →

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.

68.0%

Humidity

32.9 km/h

Wind E

1025.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.95 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Westerville?

Temperature & Precipitation

PM2.5 Trend

33h · 2 stations

PM2.59.95 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

9.95

Median

9.95

Average

9.8

Low

10.1

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +3.5

What is the 7-day forecast for Westerville?

10-20

14.4° 1.6°

10-21

21.2° 6.7°

10-22

21.6° 6.0°

10-23

17.0° 3.3°

0.63 mm

10-24

20.1° 7.2°

10-25

12.9° 4.3°

0.06 mm

10-26

10.7° 8.0°

2.06 mm

Both models agree Avg diff: 4.6°C

Where are air quality stations near Westerville?

New Albany, Ohio, USA

10.7 km PM2.5: 10.1 µg/m³

New Albany, Ohio, USA

10.7 km PM2.5: 10.1 µg/m³

What cities are near Westerville?

41 Gahanna 41 Whitehall 41 Upper Arlington 41 Reynoldsburg 33 Hilliard 48 Delaware 41 Pataskala 27 Grove City 41 Pickerington 51 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 2026-10-20T22:41 UTC.