What is the air quality in Westerville today?

The current Air Quality Index (AQI) in Westerville is 38 (Good). PM2.5 concentration is 9.1 µg/m³.

What is the temperature in Westerville right now?

The current temperature in Westerville is 24.2°C (feels like 24.2°C). Humidity is 48.7% and wind speed is 64.4 km/h.

Is it safe to go outside in Westerville?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.2 (Moderate).

Air Quality in Westerville, United States

Windy

24.2°C · 48.7% humidity

24.2°

Feels 24.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

25 1am

38 4am

30 7am

27 10am

28 1pm

34 4pm

27 7pm

27 10pm

Air Quality Index Trend

16h · 1 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.

48.7%

Humidity

64.4 km/h

Wind N

1015.8 hPa

Pressure

2.2

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.1 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Westerville?

Temperature & Precipitation

PM2.5 Trend

16h · 1 station

PM2.59.1 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.2

Moderate

Station readings (1 station within 25 km)

9.1

Median

9.1

Average

9.1

Low

9.1

High

PM2.5 µg/m³ · Model: 7.35 · Bias: -1.8

What is the 7-day forecast for Westerville?

08-03

25.6° 19.1°

0.75 mm

08-04

32.2° 16.4°

2.81 mm

08-05

31.6° 14.1°

1.19 mm

08-06

28.3° 18.4°

7.69 mm

08-07

28.8° 16.2°

08-08

31.2° 20.4°

4.81 mm

08-09

32.9° 22.3°

Both models agree Avg diff: 3.0°C

Where are air quality stations near Westerville?

New Albany, Ohio, USA

10.7 km PM2.5: 5.5 µg/m³

What cities are near Westerville?

38 Gahanna 38 Whitehall 38 Upper Arlington 38 Reynoldsburg 57 Hilliard 39 Delaware 38 Pataskala 56 Grove City 38 Pickerington 38 Marysville

Get AQI alerts for Westerville

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-08-08T08:20 UTC.