Air Quality in Chester, United States

Windy
12.9°C · 65.2% humidity
12.9°
Feels 12.9°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
31 12am
31
31
10 3am
16
20
23 6am
25
27
35 9am
36
37
37 12pm
57
57
38 3pm
38
38
38 6pm
31
31
38 9pm
38
38
Station readings
9
6
CAMS model adj +4
27
27
27
27
27
27
27
27
27
34
34
34
34
54
54
34
34
34
34
27
27
34
34
34
AD 728×90

Air Quality Index Trend

35h · 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.

65.2%
Humidity
47.0 km/h
Wind W
1002.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
10
2.54 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Chester?

Temperature & Precipitation

PM2.5 Trend

35h · 1 station
PM2.52.54 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
2.54
Median
2.66
Average
1.2
Low
5.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +3.7

What is the 7-day forecast for Chester?

06-09
32.2° 12.9°
0.06 mm
06-10
31.0° 21.0°
13.56 mm
06-11
25.1° 14.2°
06-12
25.7° 18.2°
3.69 mm
06-13
32.0° 19.7°
06-14
27.7° 17.9°
5.44 mm
06-15
25.7° 16.4°
Both models agree Avg diff: 6.2°C

Where are air quality stations near Chester?

40
Chester, Pennsylvania, USA
1.8 km PM2.5: 9.6 µg/m³
27
Marcus Hook, Pennsylvania, USA
5.8 km PM2.5: 6.5 µg/m³
48
Marcus Hook, Pennsylvania, USA
5.8 km PM2.5: 11.5 µg/m³
18
3001 S 84th St
10.8 km PM2.5: 4.4 µg/m³
17
AMS SWA Site
12.3 km PM2.5: 4.0 µg/m³
19
7331 Lindbergh Blvd
12.4 km PM2.5: 4.5 µg/m³
17
Cobbs Creek Pkwy & Greenway St
12.4 km PM2.5: 4.1 µg/m³
18
6298 Eastwick Ave
14.1 km PM2.5: 4.2 µg/m³
18
2600 Penrose Ave
15.3 km PM2.5: 4.2 µg/m³
20
5404 Baltimore Ave
15.5 km PM2.5: 4.7 µg/m³

What cities are near Chester?

12 Drexel Hill 11 Elmwood 11 Kingsessing 11 Cobbs Creek 12 Havertown 12 Haddington 10 University City 8 Point Breeze 10 Lower Moyamensing 12 Overbrook
Get AQI alerts for Chester

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T07:07 UTC.