What is the air quality trend in Ubatuba?

Over the past 14 days, Ubatuba had an average AQI of 65 based on station measurements. The worst day was 2026-05-27 with AQI 126.

How is Ubatuba air quality measured?

Air quality in Ubatuba 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 Ubatuba, Brazil

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

187h

PM2.5 Station

187h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	70	11–230	31.6 µg/m³	11h	1
2026-05-29	61	5–160	19.7 µg/m³	15h	1
2026-05-28	59	16–167	20.4 µg/m³	15h	1
2026-05-27	126	23–500	127.1 µg/m³	11h	1
2026-05-26	48	14–154	14.5 µg/m³	12h	1
2026-05-25	52	2–114	15.6 µg/m³	16h	1
2026-05-24	71	14–165	25.0 µg/m³	11h	1
2026-05-23	69	14–223	28.5 µg/m³	17h	1
2026-05-22	53	8–161	18.1 µg/m³	13h	1
2026-05-21	66	8–340	32.7 µg/m³	16h	1
2026-05-20	76	19–154	25.1 µg/m³	10h	1
2026-05-19	45	2–137	13.7 µg/m³	15h	1
2026-05-18	70	9–163	24.9 µg/m³	15h	1
2026-05-17	50	11–187	21.1 µg/m³	10h	1

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