What is the air quality trend in Roselle?

Over the past 14 days, Roselle had an average AQI of 79 based on station measurements. The worst day was 2026-07-17 with AQI 232.

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

335h

PM2.5 Station

335h · 7 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	62	32–97	18.3 µg/m³	24h	252
2026-07-20	98	60–106	34.3 µg/m³	24h	254
2026-07-19	111	63–160	40.7 µg/m³	24h	264
2026-07-18	50	33–88	12.9 µg/m³	24h	264
2026-07-17	232	68–356	178.5 µg/m³	24h	278
2026-07-16	152	52–327	99.8 µg/m³	24h	258
2026-07-15	52	40–59	12.8 µg/m³	24h	268
2026-07-14	60	35–67	16.7 µg/m³	24h	262
2026-07-13	62	36–67	17.2 µg/m³	24h	267
2026-07-12	50	29–57	12.4 µg/m³	24h	255
2026-07-11	37	26–44	8.9 µg/m³	24h	211
2026-07-10	35	26–48	8.3 µg/m³	24h	257
2026-07-09	51	29–53	12.4 µg/m³	24h	269
2026-07-08	56	47–62	14.4 µg/m³	23h	281

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