What is the air quality in West Chester today?

The current Air Quality Index (AQI) in West Chester is 36 (Good). PM2.5 concentration is 8.61 µg/m³.

What is the temperature in West Chester right now?

The current temperature in West Chester is 22.0°C (feels like 22.0°C). Humidity is 61.5% and wind speed is 26.2 km/h.

Is it safe to go outside in West Chester?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 1.4 (Low).

Air Quality in West Chester, United States

Partly Cloudy

22.0°C · 61.5% humidity

22.0°

Feels 22.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

6 stations

Nearby Monitoring Stations

AQI Forecast

25 3pm

36 6pm

31 9pm

28 12am

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Air Quality Index Trend

48h · 5 stn

View full history →

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

61.5%

Humidity

26.2 km/h

Wind ENE

1014.3 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.61 µg/m³

PM10

34.3 µg/m³

050100150200300500

What is the weather forecast for West Chester?

Temperature & Precipitation

PM2.5 Trend

48h · 5 stations

PM2.58.61 µg/m³ ✓ WHO

Good

PM1034.3 µg/m³

Good

UV INDEX1.4

Low

Station readings (6 stations within 25 km)

8.61

Median

8.63

Average

8.2

Low

9.18

High

PM2.5 µg/m³ · Model: 16.55 · Bias: +7.9

What is the 7-day forecast for West Chester?

07-21

27.0° 20.0°

07-22

24.3° 17.1°

0.88 mm

07-23

27.1° 16.9°

13.88 mm

07-24

27.5° 15.2°

0.25 mm

07-25

29.8° 20.1°

3.5 mm

07-26

26.5° 18.0°

5.31 mm

07-27

25.0° 20.9°

1.44 mm

Both models agree Avg diff: 2.6°C

Where are air quality stations near West Chester?

New Garden - Airport, Pennsylvania, USA

19.6 km PM2.5: 17.8 µg/m³

Marcus Hook, Pennsylvania, USA

22.9 km PM2.5: 14.0 µg/m³

Marcus Hook, Pennsylvania, USA

22.9 km PM2.5: 1.9 µg/m³

23.1 km PM2.5: 10.0 µg/m³

23.9 km PM2.5: 9.7 µg/m³

Chester, Pennsylvania, USA

24.5 km PM2.5: 7.2 µg/m³

24.5 km PM2.5: 9.9 µg/m³

Mlk, Delaware, USA

25.0 km PM2.5: 17.3 µg/m³

Mlk, Delaware, USA

25.0 km PM2.5: 5.8 µg/m³

Mlk, Delaware, USA

25.0 km PM2.5: 9.1 µg/m³

What cities are near West Chester?

35 Phoenixville 43 King of Prussia 45 Radnor 36 Wilmington 45 Chester 45 Havertown 46 Drexel Hill 37 Norristown 27 Limerick 41 Overbrook

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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 2026-07-21T22:38 UTC.