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

Over the past 15 days, San José de Maipo had an average AQI of 123 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.

106

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 40 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	140	135–146	51.4 µg/m³	5h	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	169	159–179	89.7 µg/m³	24h	41
2026-05-22	168	159–174	89.2 µg/m³	22h	42
2026-05-21	159	154–166	70.8 µg/m³	24h	43
2026-05-20	132	97–170	54.3 µg/m³	24h	42
2026-05-19	82	60–115	26.8 µg/m³	24h	42
2026-05-18	73	60–108	22.7 µg/m³	24h	43
2026-05-17	120	95–161	44.4 µg/m³	24h	44
2026-05-16	140	97–156	54.9 µg/m³	18h	44

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