Marcus Hook, Pennsylvania, USA Air Quality

Monitoring Station · Chester, United States
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
25 1am
35
35
35 4am
35
35
28 7am
28
28
35 10am
35
28
28 1pm
28
28
— 4pm
—
—
— 7pm
—
—
— 10pm
—
—
CAMS model adj +1
34
34
34
34
34
34
27
27
27
34
34
27
27
27
27

Air Quality Forecast (24h)

PM2.56.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

25
Chester, Pennsylvania, USA
4.0 km PM2.5: 6.0 µg/m³
48
L
11.4 km PM2.5: 11.4 µg/m³
22
S
14.8 km PM2.5: 5.2 µg/m³
28
K
15.1 km PM2.5: 6.6 µg/m³
22
J
15.1 km PM2.5: 5.3 µg/m³
26
3001 S 84th St
16.6 km PM2.5: 6.2 µg/m³
25
O
16.9 km PM2.5: 5.9 µg/m³
23
AMS SWA Site
18.0 km PM2.5: 5.5 µg/m³

Nearby Cities

45 Chester 24 Wilmington 47 Drexel Hill 48 Elmwood 46 Havertown 48 Kingsessing 48 Cobbs Creek 48 Haddington 42 West Chester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T04:36 UTC.