What is the air quality trend in Roselle?

Over the past 8 days, Roselle had an average AQI of 99 based on station measurements. The worst day was 2026-07-17 with AQI 233.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 7 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	34	34–34	8.2 µg/m³	1h	7
2026-07-21	63	32–97	18.4 µg/m³	24h	263
2026-07-20	98	52–106	34.1 µg/m³	24h	253
2026-07-19	111	62–160	40.7 µg/m³	24h	264
2026-07-18	50	31–88	12.9 µg/m³	24h	264
2026-07-17	233	69–358	178.8 µg/m³	24h	278
2026-07-16	153	52–326	100.2 µg/m³	24h	257
2026-07-15	52	51–56	12.7 µg/m³	22h	267

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