What is the air quality trend in Melrose?

Over the past 15 days, Melrose had an average AQI of 54 based on station measurements. The worst day was 2026-07-18 with AQI 136.

How is Melrose air quality measured?

Air quality in Melrose 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 Melrose, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

283h

PM2.5 Station

283h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	32	20–54	7.9 µg/m³	3h	1
2026-07-21	33	7–58	8.1 µg/m³	24h	1
2026-07-20	18	8–33	4.4 µg/m³	22h	1
2026-07-19	57	21–87	16.4 µg/m³	24h	1
2026-07-18	136	29–184	62.4 µg/m³	24h	1
2026-07-17	120	33–211	62.8 µg/m³	24h	1
2026-07-16	128	73–263	63.1 µg/m³	24h	1
2026-07-15	121	18–206	63.8 µg/m³	14h	1
2026-07-14	11	5–20	2.7 µg/m³	4h	1
2026-07-13	9	4–17	2.2 µg/m³	5h	1
2026-07-12	29	11–53	7.1 µg/m³	22h	1
2026-07-11	35	12–57	8.6 µg/m³	24h	1
2026-07-10	36	12–66	8.9 µg/m³	24h	1
2026-07-09	28	4–91	7.1 µg/m³	24h	1
2026-07-08	20	10–45	4.9 µg/m³	21h	1

Back to Melrose Air Quality