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 127 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.

166

Current AQI
Unhealthy 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
2026-05-30	149	149–149	55.1 µg/m³	1h	17
2026-05-29	116	90–142	41.8 µg/m³	24h	21
2026-05-28	102	69–127	35.5 µg/m³	24h	22
2026-05-27	119	87–153	43.0 µg/m³	24h	22
2026-05-26	85	50–128	28.3 µg/m³	24h	21
2026-05-25	122	69–191	54.5 µg/m³	24h	22
2026-05-24	165	157–181	82.9 µg/m³	24h	21
2026-05-23	161	107–186	78.4 µg/m³	24h	20

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