What is the air quality trend in Los Ángeles?

Over the past 7 days, Los Ángeles had an average AQI of 57 based on station measurements. The worst day was 2026-07-16 with AQI 72.

How is Los Ángeles air quality measured?

Air quality in Los Ángeles 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 Los Ángeles, Chile

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

Historical PM2.5 and AQI trend from monitoring stations near Los Ángeles, Chile.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

157h

PM2.5 Station

157h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	50	20–140	14.2 µg/m³	23h	3
2026-07-20	48	22–78	12.9 µg/m³	24h	3
2026-07-19	51	25–196	17.0 µg/m³	23h	3
2026-07-18	51	11–131	13.9 µg/m³	23h	3
2026-07-17	68	19–277	29.4 µg/m³	21h	3
2026-07-16	72	11–198	26.3 µg/m³	23h	3
2026-07-15	62	8–311	28.0 µg/m³	20h	2

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