What is the air quality trend in Matão?

Over the past 7 days, Matão had an average AQI of 51 based on station measurements. The worst day was 2026-07-16 with AQI 69.

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
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

109h

PM2.5 Station

109h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	29	8–56	6.9 µg/m³	16h	1
2026-07-20	43	21–118	11.6 µg/m³	12h	2
2026-07-19	43	3–159	13.0 µg/m³	15h	1
2026-07-18	55	27–159	16.8 µg/m³	13h	1
2026-07-17	56	9–260	21.9 µg/m³	20h	1
2026-07-16	69	19–193	24.4 µg/m³	18h	2
2026-07-15	64	6–157	20.1 µg/m³	15h	1

Back to Matão Air Quality