What is the air quality trend in El Monte?

Over the past 15 days, El Monte had an average AQI of 87 based on station measurements. The worst day was 2026-08-05 with AQI 140.

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.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 8 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	60	24–81	17.4 µg/m³	6h	8
2026-08-07	91	17–165	32.9 µg/m³	24h	8
2026-08-06	53	6–157	16.4 µg/m³	24h	7
2026-08-05	140	75–178	58.7 µg/m³	24h	8
2026-08-04	96	67–130	33.1 µg/m³	24h	8
2026-08-03	107	39–152	37.3 µg/m³	23h	8
2026-08-02	63	6–154	21.4 µg/m³	24h	7
2026-08-01	134	98–157	50.4 µg/m³	24h	8
2026-07-31	52	7–122	15.6 µg/m³	24h	7
2026-07-30	76	10–127	26.2 µg/m³	24h	8
2026-07-29	101	78–123	35.4 µg/m³	24h	8
2026-07-28	29	15–62	7.0 µg/m³	24h	8
2026-07-27	62	12–155	20.1 µg/m³	24h	7
2026-07-26	137	61–173	59.6 µg/m³	24h	8
2026-07-25	106	63–157	37.6 µg/m³	17h	8

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