What is the air quality trend in Norwood?

Over the past 8 days, Norwood had an average AQI of 61 based on station measurements. The worst day was 2026-07-17 with AQI 116.

How is Norwood air quality measured?

Air quality in Norwood 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 Norwood, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

148h

PM2.5 Station

148h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	52	37–88	14.1 µg/m³	18h	3
2026-07-20	55	19–109	15.9 µg/m³	19h	3
2026-07-19	54	25–119	15.4 µg/m³	19h	3
2026-07-18	71	19–165	23.2 µg/m³	20h	3
2026-07-17	116	22–260	60.4 µg/m³	24h	3
2026-07-16	68	25–181	23.8 µg/m³	24h	4
2026-07-15	46	20–58	11.2 µg/m³	23h	4
2026-07-14	30	30–30	7.2 µg/m³	1h	1

Back to Norwood Air Quality