What is the air quality trend in Cubatão?

Over the past 14 days, Cubatão had an average AQI of 59 based on station measurements. The worst day was 2026-07-12 with AQI 81.

How is Cubatão air quality measured?

Air quality in Cubatão 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 Cubatão, Brazil

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 26 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	44	26–76	11.4 µg/m³	9.7	24h	25
2026-07-20	42	25–59	10.3 µg/m³	10.1	24h	24
2026-07-19	47	32–70	11.7 µg/m³	10.0	24h	26
2026-07-18	57	29–123	15.8 µg/m³	8.3	24h	26
2026-07-17	67	40–122	20.0 µg/m³	17.3	24h	24
2026-07-16	72	43–163	22.8 µg/m³	22.0	24h	23
2026-07-15	65	36–141	18.9 µg/m³	15.5	24h	24
2026-07-14	55	27–98	15.2 µg/m³	7.6	24h	19
2026-07-13	53	28–135	14.8 µg/m³	4.2	24h	23
2026-07-12	81	29–212	31.3 µg/m³	7.2	24h	21
2026-07-11	64	26–130	19.1 µg/m³	26.3	24h	23
2026-07-10	59	42–94	16.0 µg/m³	37.4	24h	20
2026-07-09	63	44–117	18.0 µg/m³	49.7	24h	20
2026-07-08	58	29–79	16.0 µg/m³	27.2	24h	21

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