What is the air quality trend in El Monte?

Over the past 3 days, El Monte had an average AQI of 71 based on station measurements. The worst day was 2026-09-05 with AQI 118.

How is El Monte air quality measured?

Air quality in El Monte 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 Monte, Chile

Name: El Monte 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 Monte, Chile.

126

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

47h

PM2.5 Station

47h · 6 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	118	54–165	44.4 µg/m³	14h	6
2026-09-04	58	15–143	17.3 µg/m³	24h	5
2026-09-03	37	9–67	9.9 µg/m³	9h	5

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