What is the air quality trend in Talca?

Over the past 15 days, Talca had an average AQI of 59 based on station measurements. The worst day was 2026-05-26 with AQI 91.

How is Talca air quality measured?

Air quality in Talca 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 Talca, Chile

Name: Talca Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Talca, Chile.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

328h

PM2.5 Station

328h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	60	20–98	18.3 µg/m³	6h	6
2026-06-08	56	8–114	17.3 µg/m³	24h	6
2026-06-07	53	8–156	15.8 µg/m³	24h	5
2026-06-06	48	7–168	14.9 µg/m³	24h	5
2026-06-05	43	9–139	11.5 µg/m³	23h	5
2026-06-04	48	2–155	14.4 µg/m³	24h	5
2026-06-03	59	10–279	23.3 µg/m³	24h	5
2026-06-02	47	13–120	13.2 µg/m³	23h	5
2026-06-01	50	9–132	14.7 µg/m³	23h	4
2026-05-31	57	20–161	17.4 µg/m³	24h	5
2026-05-30	60	31–186	19.5 µg/m³	24h	5
2026-05-29	63	17–119	18.8 µg/m³	24h	5
2026-05-28	67	19–159	21.0 µg/m³	22h	6
2026-05-27	89	11–164	32.0 µg/m³	24h	5
2026-05-26	91	32–333	45.1 µg/m³	15h	6

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