What is the air quality trend in Kirkwood?

Over the past 8 days, Kirkwood had an average AQI of 61 based on station measurements. The worst day was 2026-07-17 with AQI 90.

How is Kirkwood air quality measured?

Air quality in Kirkwood 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 Kirkwood, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

160h

PM2.5 Station

160h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	48	32–65	12.4 µg/m³	17h	4
2026-07-20	72	33–130	22.1 µg/m³	23h	4
2026-07-19	51	24–83	13.8 µg/m³	24h	4
2026-07-18	60	20–121	17.1 µg/m³	23h	5
2026-07-17	90	25–197	36.2 µg/m³	23h	5
2026-07-16	77	21–163	27.2 µg/m³	24h	5
2026-07-15	45	23–55	11.0 µg/m³	24h	6
2026-07-14	48	45–52	11.8 µg/m³	2h	8

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