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

Over the past 20 days, São José dos Campos had an average AQI of 55 based on station measurements. The worst day was 2026-08-18 with AQI 80.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

438h

PM2.5 Station

438h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	45	17–105	12.2 µg/m³	22h	3
2026-09-04	44	10–87	11.9 µg/m³	20h	3
2026-09-03	42	17–111	11.5 µg/m³	22h	2
2026-09-02	44	20–157	12.1 µg/m³	22h	3
2026-09-01	42	10–88	11.1 µg/m³	24h	3
2026-08-31	43	20–81	11.3 µg/m³	23h	3
2026-08-30	49	25–121	12.8 µg/m³	22h	4
2026-08-29	57	7–159	16.7 µg/m³	22h	4
2026-08-28	57	25–152	16.5 µg/m³	22h	3
2026-08-27	55	27–121	15.2 µg/m³	21h	4
2026-08-26	72	21–166	24.6 µg/m³	22h	3
2026-08-25	54	14–103	15.6 µg/m³	20h	2
2026-08-24	58	10–171	19.3 µg/m³	21h	3
2026-08-23	58	24–143	16.5 µg/m³	22h	3
2026-08-22	49	26–154	13.7 µg/m³	21h	3
2026-08-21	67	9–420	31.2 µg/m³	22h	3
2026-08-20	64	13–164	20.1 µg/m³	23h	3
2026-08-19	70	23–160	22.7 µg/m³	23h	3
2026-08-18	80	2–500	75.9 µg/m³	22h	2
2026-08-17	51	21–138	14.6 µg/m³	22h	3

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