What is the air quality trend in West Lake Stevens?

Over the past 8 days, West Lake Stevens had an average AQI of 11 based on station measurements. The worst day was 2026-06-02 with AQI 18.

How is West Lake Stevens air quality measured?

Air quality in West Lake Stevens 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 West Lake Stevens, United States

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

Historical PM2.5 and AQI trend from monitoring stations near West Lake Stevens, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 18 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	11	5–15	2.5 µg/m³	2.3	14h	20
2026-06-08	10	4–14	2.3 µg/m³	2.5	24h	20
2026-06-07	11	4–65	2.8 µg/m³	1.5	24h	20
2026-06-06	8	5–13	1.9 µg/m³	1.0	24h	19
2026-06-05	12	6–16	2.8 µg/m³	3.0	24h	20
2026-06-04	10	6–14	2.4 µg/m³	1.4	24h	20
2026-06-03	15	10–20	3.7 µg/m³	3.4	24h	21
2026-06-02	18	12–21	4.2 µg/m³	3.4	10h	20

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