What is the air quality trend in Fairview Heights?

Over the past 8 days, Fairview Heights had an average AQI of 60 based on station measurements. The worst day was 2026-07-17 with AQI 93.

How is Fairview Heights air quality measured?

Air quality in Fairview Heights 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 Fairview Heights, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

159h

PM2.5 Station

159h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	47	32–65	12.0 µg/m³	17h	5
2026-07-20	71	33–130	21.7 µg/m³	23h	4
2026-07-19	51	24–83	13.7 µg/m³	24h	4
2026-07-18	59	20–109	16.8 µg/m³	23h	5
2026-07-17	93	21–197	38.5 µg/m³	23h	5
2026-07-16	76	21–161	25.7 µg/m³	24h	6
2026-07-15	45	23–55	11.0 µg/m³	24h	6
2026-07-14	45	45–45	10.9 µg/m³	1h	8

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