What is the air quality trend in La Grange?

Over the past 14 days, La Grange had an average AQI of 13 based on station measurements. The worst day was 2026-10-04 with AQI 58.

How is La Grange air quality measured?

Air quality in La Grange 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 La Grange, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

68h

PM2.5 Station

68h · 1 station

Temperature GFS model

79pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	23	3–68	6.5 µg/m³	7.1	4h	1
2026-10-20	4	4–5	1.1 µg/m³	1.1	4h	1
2026-10-19	10	4–16	2.4 µg/m³	3.4	3h	1
2026-10-17	11	1–21	2.6 µg/m³	4.5	2h	1
2026-10-16	4	4–4	1.0 µg/m³	1.1	1h	1
2026-10-15	6	6–6	1.4 µg/m³	1.6	1h	1
2026-10-14	9	1–25	2.1 µg/m³	2.4	9h	1
2026-10-13	5	2–13	1.2 µg/m³	1.4	10h	1
2026-10-12	6	1–10	1.5 µg/m³	2.0	7h	1
2026-10-09	3	3–3	0.7 µg/m³	2.1	2h	1
2026-10-07	9	9–9	2.2 µg/m³	3.2	1h	1
2026-10-05	31	4–81	8.5 µg/m³	9.2	12h	1
2026-10-04	58	14–103	19.9 µg/m³	24.6	2h	1
2026-10-01	6	1–16	1.4 µg/m³	1.7	10h	1

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