What is the air quality trend in Oak Lawn?

Over the past 8 days, Oak Lawn had an average AQI of 98 based on station measurements. The worst day was 2026-07-17 with AQI 232.

How is Oak Lawn air quality measured?

Air quality in Oak Lawn 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 Oak Lawn, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	23	18–32	5.5 µg/m³	5h	221
2026-07-21	62	32–97	18.3 µg/m³	24h	265
2026-07-20	99	60–106	34.4 µg/m³	24h	256
2026-07-19	111	61–160	40.5 µg/m³	24h	266
2026-07-18	50	33–88	13.0 µg/m³	24h	267
2026-07-17	232	68–359	178.8 µg/m³	24h	280
2026-07-16	154	52–326	101.1 µg/m³	24h	260
2026-07-15	60	52–172	17.9 µg/m³	18h	267

Back to Oak Lawn Air Quality