What is the air quality trend in Attleboro?

Over the past 7 days, Attleboro had an average AQI of 74 based on station measurements. The worst day was 2026-07-17 with AQI 136.

How is Attleboro air quality measured?

Air quality in Attleboro 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 Attleboro, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Attleboro, 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 · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	48	31–61	11.9 µg/m³	13.1	24h	9
2026-07-20	60	29–161	17.4 µg/m³	5.8	24h	11
2026-07-19	63	40–166	19.1 µg/m³	21.6	24h	12
2026-07-18	75	35–112	23.9 µg/m³	46.7	24h	12
2026-07-17	136	66–210	61.6 µg/m³	4.1	24h	12
2026-07-16	81	38–174	29.1 µg/m³	—	24h	12
2026-07-15	55	39–99	14.8 µg/m³	26.6	24h	11

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