What is the air quality trend in Embu-Guaçu?

Over the past 8 days, Embu-Guaçu had an average AQI of 78 based on station measurements. The worst day was 2026-05-23 with AQI 87.

How is Embu-Guaçu air quality measured?

Air quality in Embu-Guaçu 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 Embu-Guaçu, Brazil

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

Historical PM2.5 and AQI trend from monitoring stations near Embu-Guaçu, 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	72	42–160	22.8 µg/m³	21.6	16h	25
2026-05-29	65	35–155	19.4 µg/m³	14.8	24h	25
2026-05-28	63	41–101	18.3 µg/m³	5.2	24h	29
2026-05-27	81	43–156	26.4 µg/m³	25.3	24h	27
2026-05-26	85	44–156	28.0 µg/m³	20.9	24h	29
2026-05-25	84	47–147	27.8 µg/m³	25.5	24h	29
2026-05-24	87	59–154	29.1 µg/m³	29.8	24h	31
2026-05-23	87	60–158	29.5 µg/m³	32.9	9h	33

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