What is the air quality trend in Piracicaba?

Over the past 8 days, Piracicaba had an average AQI of 64 based on station measurements. The worst day was 2026-06-09 with AQI 84.

How is Piracicaba air quality measured?

Air quality in Piracicaba 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 Piracicaba, Brazil

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	84	36–164	29.4 µg/m³	11h	4
2026-06-08	61	13–157	18.2 µg/m³	23h	4
2026-06-07	67	23–154	21.0 µg/m³	24h	3
2026-06-06	61	4–130	18.8 µg/m³	24h	3
2026-06-05	72	7–174	24.0 µg/m³	24h	3
2026-06-04	62	16–151	18.4 µg/m³	23h	3
2026-06-03	56	18–98	16.2 µg/m³	24h	3
2026-06-02	51	10–73	13.5 µg/m³	11h	4

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