What is the air quality trend in Talcahuano?

Over the past 15 days, Talcahuano had an average AQI of 42 based on station measurements. The worst day was 2026-08-08 with AQI 55.

How is Talcahuano air quality measured?

Air quality in Talcahuano 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 Talcahuano, Chile

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

312h

PM2.5 Station

312h · 9 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	55	55–55	14.2 µg/m³	1h	9
2026-08-07	54	13–152	15.4 µg/m³	24h	5
2026-08-06	47	25–130	13.0 µg/m³	24h	15
2026-08-05	40	24–70	10.1 µg/m³	24h	15
2026-08-04	50	27–85	13.4 µg/m³	24h	13
2026-08-03	53	13–154	15.0 µg/m³	24h	11
2026-08-02	43	17–68	10.9 µg/m³	23h	6
2026-08-01	37	14–117	9.7 µg/m³	23h	4
2026-07-31	41	1–181	13.6 µg/m³	22h	5
2026-07-30	34	6–65	8.4 µg/m³	24h	6
2026-07-29	45	10–133	12.5 µg/m³	22h	6
2026-07-28	38	7–60	9.4 µg/m³	22h	4
2026-07-27	34	9–67	8.6 µg/m³	19h	3
2026-07-26	35	6–73	8.8 µg/m³	20h	3
2026-07-25	32	9–63	7.9 µg/m³	16h	3

Back to Talcahuano Air Quality