Air Quality in Chester, United States

Windy
33.2°C · 43.6% humidity
33.2°
Feels 36.5°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
52 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
22 10am
22
22
27 1pm
24
23
22 4pm
21
21
21 7pm
22
29
22 10pm
22
22
20 1am
20
20
20 4am
20
20
20 7am
22
22
Station readings
20
13
12
CAMS model adj -5
27
27
27
27
25
25
25
25
25
25
27
34
27
27
27
25
25
25
25
25
25
25
27
27
AD 728×90

Air Quality Index Trend

47h · 1 stn

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.

43.6%
Humidity
43.9 km/h
Wind WNW
1015.7 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.45 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Chester?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.56.45 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (52 stations within 25 km)
6.45
Median
6.33
Average
3.66
Low
7.17
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -0.2

What is the 7-day forecast for Chester?

09-05
33.2° 16.7°
0.13 mm
09-06
24.5° 20.9°
0.88 mm
09-07
24.1° 19.0°
09-08
22.6° 19.8°
0.56 mm
09-09
28.4° 14.6°
09-10
27.4° 18.2°
7.44 mm
09-11
33.5° 14.9°
Both models agree Avg diff: 4.5°C

Where are air quality stations near Chester?

29
Chester, Pennsylvania, USA
1.8 km PM2.5: 7.0 µg/m³
29
3001 S 84th St
10.8 km PM2.5: 6.9 µg/m³
28
AMS SWA Site
12.4 km PM2.5: 6.8 µg/m³
30
7331 Lindbergh Blvd
12.4 km PM2.5: 7.1 µg/m³
30
Cobbs Creek Pkwy & Greenway St
12.4 km PM2.5: 7.1 µg/m³
27
6298 Eastwick Ave
14.1 km PM2.5: 6.5 µg/m³
27
2600 Penrose Ave
15.3 km PM2.5: 6.4 µg/m³
29
5404 Baltimore Ave
15.5 km PM2.5: 7.0 µg/m³
29
51 N 57th St
16.5 km PM2.5: 6.9 µg/m³
26
Lovie Love You - AQ Host
16.6 km PM2.5: 6.2 µg/m³

What cities are near Chester?

27 Drexel Hill 28 Elmwood 28 Kingsessing 28 Cobbs Creek 27 Havertown 28 Haddington 28 University City 26 Point Breeze 27 Lower Moyamensing 26 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 2026-09-05T17:55 UTC.