What is the air quality trend in Post Falls?

Over the past 14 days, Post Falls had an average AQI of 18 based on station measurements. The worst day was with AQI .

How is Post Falls air quality measured?

Air quality in Post Falls 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 Post Falls, United States

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

270h

PM2.5 Trend

270h · 11 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-15	8	5–12	2.0 µg/m³	13h	12
2026-04-14	8	3–12	1.8 µg/m³	24h	13
2026-04-13	9	2–23	2.1 µg/m³	18h	10
2026-04-12	20	7–32	4.7 µg/m³	24h	13
2026-04-11	24	15–40	5.6 µg/m³	24h	12
2026-04-10	28	8–52	6.7 µg/m³	24h	12
2026-04-09	25	10–37	6.1 µg/m³	16h	11
2026-04-08	7	4–11	1.6 µg/m³	10h	13
2026-04-07	9	5–12	2.2 µg/m³	24h	13
2026-04-06	32	7–53	7.8 µg/m³	18h	12
2026-04-04	23	6–34	5.5 µg/m³	16h	13
2026-04-03	16	3–34	3.8 µg/m³	24h	4
2026-04-02	15	3–52	3.7 µg/m³	24h	11
2026-04-01	28	18–44	6.7 µg/m³	11h	12

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