What is the air quality trend in Poá?

Over the past 7 days, Poá had an average AQI of 58 based on station measurements. The worst day was 2026-07-16 with AQI 75.

How is Poá air quality measured?

Air quality in Poá 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 Poá, Brazil

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 29 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	44	26–74	11.2 µg/m³	9.7	24h	29
2026-07-20	43	26–64	10.5 µg/m³	10.1	24h	28
2026-07-19	47	32–69	12.1 µg/m³	10.0	24h	30
2026-07-18	60	34–151	16.7 µg/m³	8.3	24h	31
2026-07-17	69	42–119	20.7 µg/m³	17.3	24h	28
2026-07-16	75	45–159	23.6 µg/m³	22.0	24h	28
2026-07-15	68	35–141	20.0 µg/m³	15.5	24h	27

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