What is the air quality trend in Racine?

Over the past 7 days, Racine had an average AQI of 135 based on station measurements. The worst day was 2026-07-17 with AQI 313.

How is Racine air quality measured?

Air quality in Racine 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 Racine, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

37h

PM2.5 Station

37h · 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	53	37–70	14.3 µg/m³	3h	2
2026-07-20	132	118–151	48.0 µg/m³	6h	2
2026-07-19	142	120–162	56.0 µg/m³	5h	1
2026-07-18	60	38–134	17.1 µg/m³	7h	2
2026-07-17	313	265–401	269.3 µg/m³	4h	2
2026-07-16	203	193–217	150.2 µg/m³	4h	2
2026-07-15	44	36–79	11.2 µg/m³	8h	2

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