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

Over the past 15 days, San Francisco de Mostazal had an average AQI of 77 based on station measurements. The worst day was 2026-07-09 with AQI 122.

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.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 13 stations

Temperature GFS model

55pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	55	46–64	14.3 µg/m³	4h	16
2026-07-21	52	29–83	14.0 µg/m³	24h	16
2026-07-20	66	20–157	21.5 µg/m³	24h	16
2026-07-19	74	50–115	23.1 µg/m³	24h	17
2026-07-18	29	16–62	7.2 µg/m³	24h	14
2026-07-17	37	12–109	9.5 µg/m³	24h	14
2026-07-16	57	29–151	15.6 µg/m³	24h	16
2026-07-15	80	18–134	26.5 µg/m³	24h	15
2026-07-14	91	75–115	30.8 µg/m³	24h	16
2026-07-13	93	67–123	31.9 µg/m³	24h	17
2026-07-12	108	71–164	39.5 µg/m³	24h	16
2026-07-11	103	61–156	36.1 µg/m³	24h	16
2026-07-10	97	58–148	33.3 µg/m³	24h	16
2026-07-09	122	93–155	44.6 µg/m³	24h	16
2026-07-08	95	64–154	32.7 µg/m³	19h	15

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