What is the air quality trend in Pottstown?

Over the past 8 days, Pottstown had an average AQI of 89 based on station measurements. The worst day was 2026-07-17 with AQI 184.

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

168h

PM2.5 Station

168h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	28	28–28	6.7 µg/m³	4.2	1h	2
2026-07-21	54	34–67	14.2 µg/m³	22.5	24h	66
2026-07-20	48	30–78	12.3 µg/m³	13.1	24h	63
2026-07-19	58	26–75	16.4 µg/m³	26.2	24h	65
2026-07-18	141	72–166	62.0 µg/m³	95.6	24h	66
2026-07-17	184	159–230	113.8 µg/m³	143.8	24h	69
2026-07-16	143	67–170	57.2 µg/m³	96.1	24h	62
2026-07-15	58	53–78	15.6 µg/m³	23.1	23h	66

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