What is the air quality trend in San Francisco de Mostazal?

Over the past 8 days, San Francisco de Mostazal had an average AQI of 117 based on station measurements. The worst day was 2026-05-24 with AQI 165.

How is San Francisco de Mostazal air quality measured?

Air quality in San Francisco de Mostazal 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 San Francisco de Mostazal, Chile

Name: San Francisco de Mostazal Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near San Francisco de Mostazal, Chile.

108

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 17 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	118	90–141	42.2 µg/m³	24h	21
2026-05-28	104	73–133	36.4 µg/m³	24h	22
2026-05-27	114	88–150	40.5 µg/m³	24h	22
2026-05-26	86	49–120	28.6 µg/m³	24h	21
2026-05-25	124	63–195	55.4 µg/m³	24h	21
2026-05-24	165	155–188	82.9 µg/m³	24h	21
2026-05-23	163	152–185	78.7 µg/m³	24h	21
2026-05-22	62	62–62	17.3 µg/m³	1h	2

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