What is the air quality trend in Pottstown?

Over the past 15 days, Pottstown had an average AQI of 35 based on station measurements. The worst day was 2026-09-01 with AQI 57.

How is Pottstown air quality measured?

Air quality in Pottstown is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Pottstown, United States

Name: Pottstown Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Pottstown, United States.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 76 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	29	24–31	7.0 µg/m³	6.9	17h	75
2026-09-04	33	30–40	7.9 µg/m³	9.8	24h	75
2026-09-03	27	21–40	6.5 µg/m³	7.9	24h	75
2026-09-02	35	26–55	8.4 µg/m³	9.4	24h	75
2026-09-01	57	48–63	15.2 µg/m³	25.0	24h	72
2026-08-31	44	39–50	10.6 µg/m³	14.8	24h	75
2026-08-30	37	25–68	9.1 µg/m³	11.2	24h	75
2026-08-29	26	17–45	6.3 µg/m³	5.1	24h	75
2026-08-28	41	34–48	9.8 µg/m³	13.4	24h	76
2026-08-27	34	27–41	8.1 µg/m³	10.7	24h	75
2026-08-26	28	24–37	6.8 µg/m³	7.6	24h	76
2026-08-25	33	21–51	7.9 µg/m³	6.8	24h	73
2026-08-24	40	34–51	9.5 µg/m³	12.8	24h	75
2026-08-23	25	12–38	6.0 µg/m³	6.1	24h	76
2026-08-22	38	36–39	9.0 µg/m³	11.9	4h	76

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