Air Quality in West Chester, United States

Cloudy
20.0°C · 73.3% humidity
20.0°
Feels 20.0°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
24 8am
24
24
15 11am
18
19
21 2pm
22
22
23 5pm
23
24
25 8pm
25
25
25 11pm
25
24
24 2am
24
25
25 5am
25
25
AD 728×90

Air Quality Index Trend

47h · 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.

73.3%
Humidity
35.5 km/h
Wind SE
1019.7 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
15
3.63 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for West Chester?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.53.63 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (4 stations within 25 km)
3.63
Median
3.63
Average
3.43
Low
3.79
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +2.3

What is the 7-day forecast for West Chester?

05-29
20.0° 10.7°
0.06 mm
05-30
23.3° 9.3°
18.75 mm
05-31
27.2° 8.5°
06-01
27.4° 12.0°
4.69 mm
06-02
20.6° 11.0°
06-03
23.6° 18.8°
5.81 mm
06-04
21.5° 19.5°
Both models agree Avg diff: 4.4°C

Where are air quality stations near West Chester?

15
New Garden - Airport, Pennsylvania, USA
19.6 km PM2.5: 3.6 µg/m³
82
Marcus Hook, Pennsylvania, USA
22.9 km PM2.5: 26.8 µg/m³
36
Marcus Hook, Pennsylvania, USA
22.9 km PM2.5: 8.6 µg/m³
16
L
23.1 km PM2.5: 3.8 µg/m³
14
I
23.9 km PM2.5: 3.4 µg/m³
35
Chester, Pennsylvania, USA
24.5 km PM2.5: 8.4 µg/m³
15
J
24.5 km PM2.5: 3.7 µg/m³
28
Mlk, Delaware, USA
25.0 km PM2.5: 6.7 µg/m³
43
Mlk, Delaware, USA
25.0 km PM2.5: 10.3 µg/m³
12
Mlk, Delaware, USA
25.0 km PM2.5: 2.9 µg/m³

What cities are near West Chester?

20 Phoenixville 17 King of Prussia 17 Radnor 15 Wilmington 18 Chester 17 Havertown 17 Drexel Hill 17 Norristown 17 Limerick 15 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 2026-05-29T15:05 UTC.