What is the air quality trend in Lake Stevens?

Over the past 7 days, Lake Stevens had an average AQI of 23 based on station measurements. The worst day was with AQI .

How is Lake Stevens air quality measured?

Air quality in 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 Lake Stevens, United States

Name: 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 Lake Stevens, United States.

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

Air Quality Index Trend

139h

PM2.5 Trend

139h · 8 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-12	33	16–52	8.0 µg/m³	8.9	24h	12
2026-04-11	27	12–36	6.5 µg/m³	6.8	24h	12
2026-04-10	25	13–33	6.0 µg/m³	6.2	24h	11
2026-04-09	20	13–30	4.7 µg/m³	4.6	16h	10
2026-04-08	19	10–30	4.7 µg/m³	5.3	10h	12
2026-04-07	17	11–23	4.0 µg/m³	5.0	24h	12
2026-04-06	25	15–35	6.0 µg/m³	7.8	17h	11

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