Air Quality in West Chester, United States

Windy
28.9°C · 58.0% humidity
28.9°
Feels 32.5°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
25 12pm
25
25
20 3pm
21
22
23 6pm
24
24
24 9pm
25
25
25 12am
25
25
24 3am
24
24
24 6am
25
25
27 9am
27
25
AD 728×90

Air Quality Index Trend

45h · 86 stn

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.

58.0%
Humidity
59.1 km/h
Wind WNW
1016.8 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for West Chester?

Temperature & Precipitation

PM2.5 Trend

45h · 86 stations
PM2.54.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (1 station within 25 km)
4.8
Median
4.8
Average
4.8
Low
4.8
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.2

What is the 7-day forecast for West Chester?

09-05
28.9° 13.3°
3.31 mm
09-06
22.4° 19.1°
4.81 mm
09-07
22.9° 16.2°
09-08
22.0° 15.8°
1.44 mm
09-09
25.2° 12.2°
09-10
25.5° 14.8°
4.69 mm
09-11
32.1° 11.3°
Both models agree Avg diff: 5.3°C

Where are air quality stations near West Chester?

11
New Garden - Airport, Pennsylvania, USA
19.6 km PM2.5: 2.6 µg/m³
29
Marcus Hook, Pennsylvania, USA
22.9 km PM2.5: 7.0 µg/m³
29
Chester, Pennsylvania, USA
24.5 km PM2.5: 7.0 µg/m³
23
Mlk, Delaware, USA
25.0 km PM2.5: 5.5 µg/m³
22
Mlk, Delaware, USA
25.0 km PM2.5: 5.3 µg/m³

What cities are near West Chester?

22 Phoenixville 24 King of Prussia 24 Radnor 20 Wilmington 24 Chester 24 Havertown 24 Drexel Hill 24 Norristown 25 Limerick 23 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 2026-09-05T19:13 UTC.