What is the air quality trend in Jundiaí?

Over the past 7 days, Jundiaí had an average AQI of 57 based on station measurements. The worst day was 2026-07-16 with AQI 76.

How is Jundiaí air quality measured?

Air quality in Jundiaí 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 Jundiaí, Brazil

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 25 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	42	27–60	10.3 µg/m³	9.7	24h	23
2026-07-20	43	23–59	10.6 µg/m³	10.1	24h	22
2026-07-19	48	32–72	12.5 µg/m³	10.0	24h	23
2026-07-18	57	36–98	15.7 µg/m³	8.3	24h	24
2026-07-17	71	38–133	21.7 µg/m³	17.3	24h	23
2026-07-16	76	40–159	24.7 µg/m³	22.0	24h	22
2026-07-15	63	39–146	18.1 µg/m³	15.5	24h	22

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