What is the air quality trend in Methuen?

Over the past 8 days, Methuen had an average AQI of 66 based on station measurements. The worst day was 2026-07-17 with AQI 112.

How is Methuen air quality measured?

Air quality in Methuen 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 Methuen, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Methuen, 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 · 1 station

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	44	26–57	10.8 µg/m³	12.8	22h	7
2026-07-20	51	20–181	16.0 µg/m³	5.8	24h	6
2026-07-19	52	25–122	14.4 µg/m³	21.6	24h	7
2026-07-18	75	22–133	24.1 µg/m³	46.7	24h	6
2026-07-17	112	29–175	45.8 µg/m³	4.1	24h	6
2026-07-16	71	37–160	22.9 µg/m³	—	24h	6
2026-07-15	60	42–100	16.5 µg/m³	26.6	24h	6
2026-07-14	63	55–71	17.9 µg/m³	22.9	2h	4

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