Air Quality in Chester, United States

Windy
26.3°C · 39.2% humidity
26.3°
Feels 26.3°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
30 6pm
37
57
45 9pm
43
41
40 12am
39
39
31 3am
31
31
37 6am
37
30
30 9am
30
30
30 12pm
30
30
30 3pm
30
30
Station readings
24
15
21
CAMS model adj +3
27
34
54
34
34
34
34
34
34
27
27
27
34
34
27
27
27
27
27
27
27
27
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.

39.2%
Humidity
42.4 km/h
Wind WNW
1011.6 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.8 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Chester?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.510.8 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (2 stations within 25 km)
10.8
Median
10.51
Average
8.2
Low
12.83
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -0.8

What is the 7-day forecast for Chester?

08-03
27.5° 21.6°
13.69 mm
08-04
37.0° 23.2°
08-05
35.1° 22.1°
08-06
31.2° 21.8°
08-07
32.9° 21.9°
3.25 mm
08-08
37.1° 21.8°
0.13 mm
08-09
35.3° 25.6°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Chester?

33
Chester, Pennsylvania, USA
1.8 km PM2.5: 7.9 µg/m³
29
3001 S 84th St
10.8 km PM2.5: 7.0 µg/m³
25
AMS SWA Site
12.4 km PM2.5: 6.0 µg/m³
27
7331 Lindbergh Blvd
12.4 km PM2.5: 6.5 µg/m³
28
6298 Eastwick Ave
14.1 km PM2.5: 6.6 µg/m³
31
5404 Baltimore Ave
15.5 km PM2.5: 7.5 µg/m³
26
51 N 57th St
16.5 km PM2.5: 6.3 µg/m³
26
Lovie Love You - AQ Host
16.6 km PM2.5: 6.3 µg/m³
29
AMS RIT
16.8 km PM2.5: 6.9 µg/m³
31
Stinger Square Park
16.9 km PM2.5: 7.4 µg/m³

What cities are near Chester?

47 Drexel Hill 48 Elmwood 48 Kingsessing 48 Cobbs Creek 46 Havertown 48 Haddington 50 University City 52 Point Breeze 50 Lower Moyamensing 47 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 2026-08-08T01:46 UTC.