What is the air quality trend in Valparaíso?

Over the past 14 days, Valparaíso had an average AQI of 41 based on station measurements. The worst day was 2026-10-08 with AQI 84.

How is Valparaíso air quality measured?

Air quality in Valparaíso 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 Valparaíso, Brazil

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

Historical PM2.5 and AQI trend from monitoring stations near Valparaíso, Brazil.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	27	9–50	6.5 µg/m³	10h	1
2026-10-20	35	6–166	12.4 µg/m³	12h	1
2026-10-19	51	9–154	15.7 µg/m³	12h	1
2026-10-18	25	7–72	6.4 µg/m³	11h	1
2026-10-17	29	6–191	12.8 µg/m³	15h	1
2026-10-16	25	3–70	6.3 µg/m³	14h	1
2026-10-15	45	4–112	12.7 µg/m³	14h	1
2026-10-14	50	12–117	14.5 µg/m³	15h	1
2026-10-13	47	10–155	14.7 µg/m³	12h	1
2026-10-12	33	9–125	9.2 µg/m³	13h	1
2026-10-11	41	3–106	11.0 µg/m³	12h	1
2026-10-10	49	11–152	15.4 µg/m³	11h	1
2026-10-09	43	15–156	13.1 µg/m³	16h	1
2026-10-08	84	72–96	27.8 µg/m³	2h	1

Back to Valparaíso Air Quality