What is the air quality trend in Parelheiros?

Over the past 8 days, Parelheiros had an average AQI of 81 based on station measurements. The worst day was 2026-05-25 with AQI 99.

How is Parelheiros air quality measured?

Air quality in Parelheiros 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 Parelheiros, Brazil

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

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

Current AQI
Moderate 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	19.5 µg/m³	24.4	18h	22
2026-05-29	65	45–89	18.8 µg/m³	14.8	24h	23
2026-05-28	67	31–145	20.2 µg/m³	5.2	24h	25
2026-05-27	90	56–163	30.9 µg/m³	25.3	24h	23
2026-05-26	87	52–149	28.8 µg/m³	20.9	24h	25
2026-05-25	99	44–155	34.7 µg/m³	25.5	24h	26
2026-05-24	84	55–155	27.6 µg/m³	29.8	24h	27
2026-05-23	90	53–150	30.0 µg/m³	33.3	7h	26

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