What is the air quality trend in Embu-Guaçu?

Over the past 8 days, Embu-Guaçu had an average AQI of 49 based on station measurements. The worst day was 2026-08-29 with AQI 57.

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

166h

PM2.5 Station

166h · 32 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	50	28–97	13.0 µg/m³	24.5	21h	22
2026-09-04	52	35–77	13.5 µg/m³	22.6	24h	20
2026-09-03	49	28–83	12.7 µg/m³	19.2	24h	23
2026-09-02	40	22–88	10.1 µg/m³	8.0	24h	18
2026-09-01	45	19–173	13.5 µg/m³	12.3	24h	24
2026-08-31	42	26–65	10.4 µg/m³	21.8	24h	27
2026-08-30	57	36–74	15.5 µg/m³	35.9	24h	24
2026-08-29	57	57–57	14.8 µg/m³	58.7	1h	32

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