What is the air quality trend in Anaheim?

Over the past 15 days, Anaheim had an average AQI of 38 based on station measurements. The worst day was 2026-06-05 with AQI 63.

How is Anaheim air quality measured?

Air quality in Anaheim 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 Anaheim, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	36	17–50	8.7 µg/m³	6.1	10h	129
2026-06-08	37	33–43	8.9 µg/m³	7.0	24h	158
2026-06-07	37	35–39	8.8 µg/m³	6.8	24h	159
2026-06-06	50	41–54	12.2 µg/m³	10.4	24h	155
2026-06-05	63	53–76	17.9 µg/m³	17.2	24h	161
2026-06-04	56	45–66	14.7 µg/m³	12.5	24h	162
2026-06-03	50	34–64	13.0 µg/m³	10.3	24h	162
2026-06-02	53	44–60	13.7 µg/m³	10.5	24h	161
2026-06-01	46	33–53	11.0 µg/m³	8.8	24h	143
2026-05-31	40	25–52	9.7 µg/m³	7.0	24h	160
2026-05-30	22	15–29	5.3 µg/m³	4.3	24h	162
2026-05-29	17	15–22	4.1 µg/m³	3.8	24h	162
2026-05-28	20	16–50	4.8 µg/m³	3.6	24h	149
2026-05-27	22	20–25	5.2 µg/m³	3.2	24h	162
2026-05-26	24	23–25	5.8 µg/m³	4.4	14h	162

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