What is the air quality trend in Jacareí?

Over the past 8 days, Jacareí had an average AQI of 67 based on station measurements. The worst day was 2026-06-09 with AQI 109.

How is Jacareí air quality measured?

Air quality in Jacareí 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 Jacareí, Brazil

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

100h

PM2.5 Station

100h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	109	109–109	38.6 µg/m³	1h	2
2026-06-08	49	8–142	14.8 µg/m³	16h	1
2026-06-07	81	5–228	38.9 µg/m³	15h	1
2026-06-06	60	6–163	21.6 µg/m³	18h	1
2026-06-05	68	10–183	27.7 µg/m³	15h	1
2026-06-04	73	12–191	29.2 µg/m³	12h	1
2026-06-03	48	9–156	15.2 µg/m³	14h	1
2026-06-02	50	13–110	14.6 µg/m³	9h	1

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