What is the air quality trend in São José dos Campos?

Over the past 3 days, São José dos Campos had an average AQI of 41 based on station measurements. The worst day was 2026-07-22 with AQI 48.

How is São José dos Campos air quality measured?

Air quality in São José dos Campos 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 São José dos Campos, Brazil

Name: São José dos Campos Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near São José dos Campos, Brazil.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

44h

PM2.5 Station

44h · 4 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	48	41–56	12.1 µg/m³	2h	4
2026-07-21	37	14–90	9.6 µg/m³	21h	4
2026-07-20	39	19–67	9.7 µg/m³	21h	3

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