What is the air quality trend in Los Ángeles?

Over the past 14 days, Los Ángeles had an average AQI of 62 based on station measurements. The worst day was 2026-05-21 with AQI 78.

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

305h

PM2.5 Station

305h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	67	24–162	21.0 µg/m³	21h	4
2026-05-28	45	3–135	12.5 µg/m³	23h	4
2026-05-27	67	18–156	21.6 µg/m³	22h	4
2026-05-26	71	9–164	24.9 µg/m³	22h	5
2026-05-25	68	12–178	24.0 µg/m³	23h	4
2026-05-24	56	4–151	16.4 µg/m³	22h	4
2026-05-23	65	5–165	21.1 µg/m³	24h	3
2026-05-22	68	14–136	21.0 µg/m³	22h	4
2026-05-21	78	20–155	25.7 µg/m³	22h	3
2026-05-20	74	10–223	29.4 µg/m³	23h	3
2026-05-19	76	17–161	25.5 µg/m³	21h	4
2026-05-18	44	4–162	14.0 µg/m³	21h	2
2026-05-17	65	5–322	32.9 µg/m³	18h	3
2026-05-16	27	7–57	6.6 µg/m³	21h	5

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