What is the air quality trend in Cajamar?

Over the past 8 days, Cajamar had an average AQI of 63 based on station measurements. The worst day was 2026-08-29 with AQI 105.

How is Cajamar air quality measured?

Air quality in Cajamar 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 Cajamar, Brazil

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

161h

PM2.5 Station

161h · 2 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	72	13–110	23.0 µg/m³	26.5	17h	2
2026-09-04	64	20–121	19.7 µg/m³	22.6	24h	2
2026-09-03	58	24–91	16.6 µg/m³	19.2	24h	2
2026-09-02	26	4–67	6.7 µg/m³	8.0	19h	1
2026-09-01	37	7–112	10.5 µg/m³	12.3	23h	2
2026-08-31	60	2–127	19.1 µg/m³	21.8	24h	2
2026-08-30	87	3–131	29.7 µg/m³	35.9	24h	2
2026-08-29	105	88–131	37.0 µg/m³	43.8	6h	2

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