Worst air pollution Angra dos Reis, today and tomorrow
Today (16 July): Air quality in Angra dos Reis is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (O3: 15.9/100).
Tomorrow (17 July 2026): Air quality in Angra dos Reis is good. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 16.7/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Angra dos Reis' air quality benefits from consistent Atlantic sea breezes providing reliable maritime ventilation along the Costa Verde. The surrounding Serra do Mar mountains and sheltered bay geography create dramatic topographic variation, while the Angra nuclear facility and shipyard operations contribute localised industrial emissions alongside maritime tourism sources throughout the year.
Today - 16 July | Pollution peaks at 22:00
AQI:
Good
15.9/100
PM2.5 (fine particles):
Good
5.3/100
PM10 (coarse particles):
Good
2.4/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
15.9/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
0.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Good
16.7/100
PM2.5 (fine particles):
Good
7.1/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
16.7/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
1.3/100
Pollen forecast in Angra dos Reis
View pollen forecastFrequently Asked Questions
Is air quality bad in Angra dos Reis right now?
On 16 July 2026, overall air quality in Angra dos Reis is good. AQI is the main air quality indicator at 15.9/100. Pollution peaks around 10:00 PM (O3: 15.9/100).
Will air quality be worse tomorrow in Angra dos Reis?
On 17 July 2026, air quality conditions in Angra dos Reis will be similar to today, with AQI forecast at good at 16.7/100. Pollution peaks around 11:00 PM (O3: 16.7/100).
When is air pollution at its worst in Angra dos Reis?
People in Angra dos Reis tend to notice reduced air quality when native Atlantic Forest trees and restinga coastal scrub pollen peaks, or because of the surrounding Serra do Mar mountains and sheltered bay geography create dramatic topographic variation; beyond that, the area's natural ventilation keeps air quality consistently favourable through the rest of the year.
Are air quality levels in Angra dos Reis based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app