What is the air quality trend in Stoughton?

Over the past 8 days, Stoughton had an average AQI of 67 based on station measurements. The worst day was 2026-07-17 with AQI 130.

How is Stoughton air quality measured?

Air quality in Stoughton 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 Stoughton, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 3 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	35	18–52	8.4 µg/m³	4.7	5h	7
2026-07-21	49	28–64	12.4 µg/m³	13.1	24h	8
2026-07-20	55	25–170	16.4 µg/m³	5.8	24h	9
2026-07-19	56	27–175	17.3 µg/m³	21.6	24h	9
2026-07-18	80	23–136	26.0 µg/m³	46.7	24h	9
2026-07-17	130	33–208	61.3 µg/m³	4.1	24h	10
2026-07-16	72	33–155	22.9 µg/m³	—	24h	8
2026-07-15	61	38–165	17.9 µg/m³	30.2	19h	8

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