What is the air quality trend in Los Ángeles?

Over the past 7 days, Los Ángeles had an average AQI of 63 based on station measurements. The worst day was 2026-05-26 with AQI 77.

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
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

158h

PM2.5 Station

158h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	68	24–155	21.1 µg/m³	21h	4
2026-05-28	45	16–154	12.7 µg/m³	24h	4
2026-05-27	62	19–155	19.2 µg/m³	22h	5
2026-05-26	77	9–177	29.4 µg/m³	22h	5
2026-05-25	66	12–178	23.5 µg/m³	23h	5
2026-05-24	59	9–151	17.7 µg/m³	22h	4
2026-05-23	64	5–153	20.0 µg/m³	24h	3

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