What is the air quality trend in San Vicente de Tagua Tagua?

Over the past 14 days, San Vicente de Tagua Tagua had an average AQI of 66 based on station measurements. The worst day was 2026-05-20 with AQI 95.

How is San Vicente de Tagua Tagua air quality measured?

Air quality in San Vicente de Tagua Tagua 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 Vicente de Tagua Tagua, Chile

Name: San Vicente de Tagua Tagua 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 Vicente de Tagua Tagua, Chile.

112

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

324h

PM2.5 Station

324h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	64	3–160	20.0 µg/m³	23h	3
2026-05-28	51	20–142	14.1 µg/m³	24h	4
2026-05-27	80	12–180	31.0 µg/m³	23h	3
2026-05-26	59	2–175	20.2 µg/m³	24h	3
2026-05-25	65	20–158	20.7 µg/m³	24h	4
2026-05-24	60	23–154	18.7 µg/m³	22h	4
2026-05-23	77	9–168	27.0 µg/m³	24h	3
2026-05-22	61	2–166	20.3 µg/m³	23h	3
2026-05-21	70	20–172	23.5 µg/m³	23h	4
2026-05-20	95	15–500	63.6 µg/m³	23h	4
2026-05-19	58	12–144	17.5 µg/m³	23h	4
2026-05-18	61	3–107	19.2 µg/m³	23h	3
2026-05-17	69	8–178	26.8 µg/m³	22h	2
2026-05-16	61	15–279	28.0 µg/m³	23h	4

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