What is the air quality trend in Roselle?

Over the past 8 days, Roselle had an average AQI of 31 based on station measurements. The worst day was 2026-10-21 with AQI 54.

How is Roselle air quality measured?

Air quality in Roselle 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 Roselle, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 280 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	54	52–56	13.6 µg/m³	5.5	3h	281
2026-10-20	51	25–70	13.2 µg/m³	1.1	24h	247
2026-10-19	28	22–41	6.7 µg/m³	3.4	24h	280
2026-10-18	23	18–35	5.5 µg/m³	—	24h	257
2026-10-17	16	13–23	3.9 µg/m³	4.5	24h	279
2026-10-16	19	11–40	4.6 µg/m³	1.1	24h	268
2026-10-15	24	14–41	5.7 µg/m³	1.6	24h	280
2026-10-14	35	18–52	8.4 µg/m³	1.3	18h	279

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