Air Quality in West Chester, United States

Windy
11.7°C · 70.6% humidity
11.7°
Feels 11.7°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
25 10pm
25
27
20 1am
22
23
24 4am
25
26
26 7am
26
27
27 10am
34
34
34 1pm
27
27
27 4pm
27
27
27 7pm
27
27
AD 728×90

Air Quality Index Trend

49h · 1 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.

70.6%
Humidity
57.0 km/h
Wind W
1003.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

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

What is the weather forecast for West Chester?

Temperature & Precipitation

PM2.5 Trend

49h · 1 station
PM2.54.79 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
4.79
Median
4.75
Average
3.7
Low
7.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.5

What is the 7-day forecast for West Chester?

06-09
28.9° 11.7°
0.38 mm
06-10
26.6° 20.1°
8.69 mm
06-11
23.1° 10.8°
06-12
23.4° 16.0°
3.75 mm
06-13
28.9° 19.1°
06-14
25.7° 17.6°
5.19 mm
06-15
24.1° 12.1°
0.06 mm
Both models agree Avg diff: 5.8°C

Where are air quality stations near West Chester?

25
New Garden - Airport, Pennsylvania, USA
19.6 km PM2.5: 6.0 µg/m³
48
Marcus Hook, Pennsylvania, USA
22.9 km PM2.5: 11.5 µg/m³
56
Marcus Hook, Pennsylvania, USA
22.9 km PM2.5: 14.5 µg/m³
17
L
23.1 km PM2.5: 4.1 µg/m³
16
I
23.9 km PM2.5: 3.9 µg/m³
40
Chester, Pennsylvania, USA
24.5 km PM2.5: 9.6 µg/m³
18
J
24.5 km PM2.5: 4.3 µg/m³
24
Mlk, Delaware, USA
25.0 km PM2.5: 5.8 µg/m³
63
Mlk, Delaware, USA
25.0 km PM2.5: 17.8 µg/m³
23
Mlk, Delaware, USA
25.0 km PM2.5: 5.5 µg/m³

What cities are near West Chester?

26 Phoenixville 21 King of Prussia 20 Radnor 18 Wilmington 20 Chester 19 Havertown 19 Drexel Hill 26 Norristown 33 Limerick 18 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 2026-06-09T05:47 UTC.