What is the air quality trend in San José de Maipo?

Over the past 8 days, San José de Maipo had an average AQI of 122 based on station measurements. The worst day was 2026-05-24 with AQI 170.

How is San José de Maipo air quality measured?

Air quality in San José de Maipo 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 José de Maipo, Chile

Name: San José de Maipo 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 José de Maipo, Chile.

111

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 41 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	141	138–146	51.8 µg/m³	3h	41
2026-05-29	116	101–132	41.6 µg/m³	24h	41
2026-05-28	111	87–130	39.7 µg/m³	24h	41
2026-05-27	101	77–145	35.3 µg/m³	24h	41
2026-05-26	65	38–103	19.1 µg/m³	24h	40
2026-05-25	110	68–177	45.9 µg/m³	24h	40
2026-05-24	170	160–190	93.0 µg/m³	24h	40
2026-05-23	168	159–179	88.3 µg/m³	21h	41

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