What is the air quality trend in Matão?

Over the past 8 days, Matão had an average AQI of 71 based on station measurements. The worst day was 2026-05-25 with AQI 100.

How is Matão air quality measured?

Air quality in Matão 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 Matão, Brazil

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

97h

PM2.5 Station

97h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	34	16–52	8.3 µg/m³	8h	1
2026-05-29	60	25–152	18.5 µg/m³	9h	1
2026-05-28	57	22–153	17.0 µg/m³	17h	1
2026-05-27	99	20–500	54.6 µg/m³	15h	1
2026-05-26	78	13–186	29.4 µg/m³	16h	1
2026-05-25	100	19–279	52.4 µg/m³	14h	1
2026-05-24	77	30–157	25.6 µg/m³	15h	1
2026-05-23	70	12–114	23.8 µg/m³	3h	1

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