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

Over the past 21 days, São José dos Campos had an average AQI of 72 based on station measurements. The worst day was 2026-05-21 with AQI 123.

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

414h

PM2.5 Station

414h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	57	15–127	17.0 µg/m³	8h	2
2026-06-08	56	11–152	17.1 µg/m³	23h	2
2026-06-07	66	20–171	22.6 µg/m³	20h	2
2026-06-06	68	13–167	23.9 µg/m³	20h	2
2026-06-05	54	12–162	17.3 µg/m³	21h	2
2026-06-04	66	6–152	21.1 µg/m³	22h	2
2026-06-03	79	17–210	31.5 µg/m³	24h	2
2026-06-02	48	13–141	13.6 µg/m³	22h	2
2026-06-01	66	8–152	22.1 µg/m³	16h	2
2026-05-31	41	13–76	10.8 µg/m³	15h	2
2026-05-30	57	13–104	16.6 µg/m³	18h	2
2026-05-29	64	23–195	22.6 µg/m³	20h	2
2026-05-28	73	2–161	24.9 µg/m³	22h	2
2026-05-27	80	15–152	26.7 µg/m³	22h	2
2026-05-26	83	30–178	30.5 µg/m³	23h	2
2026-05-25	95	11–259	47.0 µg/m³	20h	2
2026-05-24	99	25–180	37.4 µg/m³	21h	2
2026-05-23	80	3–413	37.2 µg/m³	22h	2
2026-05-22	76	15–214	29.0 µg/m³	23h	2
2026-05-21	123	13–500	77.3 µg/m³	22h	2
2026-05-20	88	30–164	32.1 µg/m³	10h	2

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