What is the air quality trend in South Holland?

Over the past 3 days, South Holland had an average AQI of 60 based on station measurements. The worst day was 2026-07-20 with AQI 95.

How is South Holland air quality measured?

Air quality in South Holland 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 South Holland, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

48h

PM2.5 Station

48h · 7 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	24	18–32	5.8 µg/m³	—	4h	210
2026-07-21	62	32–97	18.3 µg/m³	11.6	24h	267
2026-07-20	95	39–105	33.0 µg/m³	14.9	20h	250

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