What is the air quality trend in Palatine?

Over the past 10 days, Palatine had an average AQI of 33 based on station measurements. The worst day was 2026-07-16 with AQI 84.

How is Palatine air quality measured?

Air quality in Palatine 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 Palatine, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

140h

PM2.5 Station

140h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	11	1–26	2.6 µg/m³	16h	1
2026-07-20	31	16–44	7.5 µg/m³	24h	1
2026-07-19	52	19–82	14.2 µg/m³	24h	1
2026-07-18	13	4–24	3.1 µg/m³	4h	1
2026-07-17	80	11–121	26.6 µg/m³	24h	1
2026-07-16	84	5–129	28.1 µg/m³	21h	1
2026-07-07	12	4–23	2.9 µg/m³	4h	1
2026-07-06	14	4–33	3.3 µg/m³	4h	12
2026-07-05	7	4–12	1.8 µg/m³	17h	1
2026-07-02	32	30–35	7.8 µg/m³	2h	23

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