What is the air quality trend in Tietê?

Over the past 8 days, Tietê had an average AQI of 65 based on station measurements. The worst day was 2026-06-09 with AQI 73.

How is Tietê air quality measured?

Air quality in Tietê 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 Tietê, Brazil

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

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

111

Current AQI
Unhealthy for sensitive groups CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

162h

PM2.5 Station

162h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	73	30–134	23.4 µg/m³	13h	3
2026-06-08	60	9–168	19.0 µg/m³	23h	3
2026-06-07	65	20–125	19.8 µg/m³	23h	3
2026-06-06	67	20–149	20.4 µg/m³	24h	3
2026-06-05	64	11–282	24.7 µg/m³	23h	3
2026-06-04	58	10–172	18.3 µg/m³	22h	3
2026-06-03	67	14–161	22.1 µg/m³	24h	3
2026-06-02	67	14–155	21.9 µg/m³	10h	3

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