What is the air quality trend in Machalí?

Over the past 15 days, Machalí had an average AQI of 58 based on station measurements. The worst day was 2026-06-09 with AQI 113.

How is Machalí air quality measured?

Air quality in Machalí 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 Machalí, Chile

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

Historical PM2.5 and AQI trend from monitoring stations near Machalí, Chile.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

255h

PM2.5 Station

255h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	113	28–156	44.6 µg/m³	3h	2
2026-06-08	50	4–146	14.8 µg/m³	21h	1
2026-06-07	53	9–160	17.4 µg/m³	19h	2
2026-06-06	50	5–171	17.0 µg/m³	15h	2
2026-06-05	47	16–112	13.3 µg/m³	18h	2
2026-06-04	52	5–151	15.3 µg/m³	18h	2
2026-06-03	50	5–155	15.2 µg/m³	20h	2
2026-06-02	45	2–116	12.6 µg/m³	19h	2
2026-06-01	49	6–178	18.2 µg/m³	15h	1
2026-05-31	30	2–88	8.2 µg/m³	16h	2
2026-05-30	49	15–133	14.5 µg/m³	20h	1
2026-05-29	62	20–142	18.4 µg/m³	17h	2
2026-05-28	72	10–179	25.4 µg/m³	18h	2
2026-05-27	82	22–220	31.9 µg/m³	18h	2
2026-05-26	76	22–170	26.0 µg/m³	18h	2

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