What is the air quality trend in Cerritos?

Over the past 8 days, Cerritos had an average AQI of 47 based on station measurements. The worst day was 2026-08-01 with AQI 52.

How is Cerritos air quality measured?

Air quality in Cerritos 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 Cerritos, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 214 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	38	38–39	9.2 µg/m³	3.6	4h	216
2026-08-07	44	40–51	10.6 µg/m³	7.7	24h	214
2026-08-06	47	41–59	11.3 µg/m³	9.0	24h	213
2026-08-05	51	43–61	12.7 µg/m³	9.9	24h	211
2026-08-04	51	38–63	13.1 µg/m³	10.1	24h	207
2026-08-03	49	30–58	12.2 µg/m³	9.8	24h	197
2026-08-02	45	40–52	10.8 µg/m³	8.2	24h	198
2026-08-01	52	48–54	12.6 µg/m³	9.5	18h	195

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