What is the air quality trend in Caçapava?

Over the past 8 days, Caçapava had an average AQI of 67 based on station measurements. The worst day was 2026-06-02 with AQI 75.

How is Caçapava air quality measured?

Air quality in Caçapava 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 Caçapava, Brazil

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

159h

PM2.5 Station

159h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	59	10–142	18.8 µg/m³	17h	2
2026-06-08	57	11–152	16.5 µg/m³	23h	2
2026-06-07	64	26–137	19.3 µg/m³	21h	3
2026-06-06	64	18–123	19.4 µg/m³	22h	3
2026-06-05	75	23–166	25.7 µg/m³	24h	3
2026-06-04	72	26–168	24.2 µg/m³	24h	2
2026-06-03	75	7–309	31.9 µg/m³	23h	3
2026-06-02	75	22–107	24.6 µg/m³	5h	4

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