What is the air quality trend in El Centro?

Over the past 15 days, El Centro had an average AQI of 59 based on station measurements. The worst day was 2026-10-11 with AQI 82.

How is El Centro air quality measured?

Air quality in El Centro 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 El Centro, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	64	45–82	18.8 µg/m³	2h	1
2026-10-20	58	28–187	18.5 µg/m³	24h	2
2026-10-19	64	25–488	31.8 µg/m³	24h	3
2026-10-18	54	22–296	20.9 µg/m³	24h	2
2026-10-17	70	30–488	33.0 µg/m³	24h	2
2026-10-16	52	21–189	16.9 µg/m³	24h	2
2026-10-15	71	24–426	35.0 µg/m³	23h	2
2026-10-14	51	24–218	17.7 µg/m³	24h	2
2026-10-13	44	9–217	15.4 µg/m³	24h	2
2026-10-12	48	2–293	19.8 µg/m³	24h	3
2026-10-11	82	2–494	49.0 µg/m³	24h	2
2026-10-10	48	25–175	14.3 µg/m³	24h	3
2026-10-09	60	35–217	20.2 µg/m³	24h	3
2026-10-08	66	30–488	31.7 µg/m³	24h	3
2026-10-07	65	20–294	26.0 µg/m³	19h	3

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