What is the air quality trend in Topeka?

Over the past 3 days, Topeka had an average AQI of 69 based on station measurements. The worst day was 2026-07-19 with AQI 95.

How is Topeka air quality measured?

Air quality in Topeka 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 Topeka, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

28h

PM2.5 Station

28h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	50	21–141	14.1 µg/m³	11h	1
2026-07-20	64	9–136	20.2 µg/m³	16h	1
2026-07-19	95	95–95	33.0 µg/m³	1h	1

Back to Topeka Air Quality