What is the air quality trend in Edwardsville?

Over the past 8 days, Edwardsville had an average AQI of 64 based on station measurements. The worst day was 2026-07-17 with AQI 109.

How is Edwardsville air quality measured?

Air quality in Edwardsville 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 Edwardsville, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

160h

PM2.5 Station

160h · 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	28–61	12.0 µg/m³	15h	5
2026-07-20	69	25–130	21.0 µg/m³	23h	4
2026-07-19	55	24–107	15.5 µg/m³	24h	4
2026-07-18	60	20–120	17.6 µg/m³	23h	5
2026-07-17	109	35–216	48.3 µg/m³	24h	5
2026-07-16	74	30–159	23.5 µg/m³	24h	5
2026-07-15	49	23–82	12.9 µg/m³	24h	6
2026-07-14	50	47–53	12.2 µg/m³	3h	7

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