What is the air quality trend in Poá?

Over the past 8 days, Poá had an average AQI of 82 based on station measurements. The worst day was 2026-05-23 with AQI 99.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	66	27–107	19.6 µg/m³	24.4	18h	23
2026-05-29	65	44–85	19.1 µg/m³	14.8	24h	24
2026-05-28	67	29–140	20.2 µg/m³	5.2	24h	27
2026-05-27	92	57–161	31.6 µg/m³	25.3	24h	25
2026-05-26	88	56–136	29.2 µg/m³	20.9	24h	27
2026-05-25	99	45–153	34.3 µg/m³	25.5	24h	27
2026-05-24	84	55–154	27.4 µg/m³	29.8	24h	29
2026-05-23	99	53–158	35.3 µg/m³	33.3	7h	28

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