What is the air quality in West Chester today?

The current Air Quality Index (AQI) in West Chester is 23 (Good). PM2.5 concentration is 5.4 µg/m³.

What is the temperature in West Chester right now?

The current temperature in West Chester is 8.6°C (feels like 4.4°C). Humidity is 83.2% and wind speed is 34.5 km/h.

Is it safe to go outside in West Chester?

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

Air Quality in West Chester, United States

Drizzle

8.6°C · 83.2% humidity

8.6°

Feels 4.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 86 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.

83.2%

Humidity

34.5 km/h

Wind NE

1028.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.4 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for West Chester?

Temperature & Precipitation

PM2.5 Trend

46h · 86 stations

PM2.55.4 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

5.4

Median

5.4

Average

4.3

Low

6.5

High

PM2.5 µg/m³ · Model: 8.2 · Bias: +2.8

What is the 7-day forecast for West Chester?

10-21

20.7° 5.4°

0.13 mm

10-22

18.8° 9.0°

2.19 mm

10-23

14.0° 4.8°

0.06 mm

10-24

13.6° 6.4°

10-25

19.1° 4.5°

1.5 mm

10-26

14.3° 9.5°

2.31 mm

10-27

10.2° 4.1°

6.62 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near West Chester?

Marcus Hook, Pennsylvania, USA

22.9 km PM2.5: 5.8 µg/m³

Chester, Pennsylvania, USA

24.5 km PM2.5: 8.4 µg/m³

Chester, Pennsylvania, USA

24.5 km PM2.5: 5.8 µg/m³

Mlk, Delaware, USA

25.0 km PM2.5: 6.5 µg/m³

Mlk, Delaware, USA

25.0 km PM2.5: 4.3 µg/m³

What cities are near West Chester?

19 Phoenixville 21 King of Prussia 21 Radnor 23 Wilmington 21 Chester 21 Havertown 21 Drexel Hill 21 Norristown 28 Limerick 21 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 2026-10-21T00:38 UTC.