What is the air quality trend in South Holland?

Over the past 15 days, South Holland had an average AQI of 32 based on station measurements. The worst day was 2026-05-24 with AQI 52.

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

335h

PM2.5 Station

335h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	23	18–33	5.5 µg/m³	16h	260
2026-05-28	28	22–39	6.7 µg/m³	24h	256
2026-05-27	43	30–58	10.6 µg/m³	24h	278
2026-05-26	33	27–44	7.9 µg/m³	24h	278
2026-05-25	49	31–72	13.0 µg/m³	24h	278
2026-05-24	52	38–59	13.0 µg/m³	24h	278
2026-05-23	28	21–37	6.6 µg/m³	24h	276
2026-05-22	23	19–28	5.6 µg/m³	24h	266
2026-05-21	22	15–39	5.2 µg/m³	24h	277
2026-05-20	18	16–25	4.3 µg/m³	24h	278
2026-05-19	25	16–40	6.0 µg/m³	24h	277
2026-05-18	42	17–52	10.2 µg/m³	24h	276
2026-05-17	48	32–60	12.3 µg/m³	24h	277
2026-05-16	35	26–51	8.3 µg/m³	24h	276
2026-05-15	25	24–27	6.1 µg/m³	7h	276

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