Worst air pollution São Pedro da Aldeia, today and tomorrow
Today (16 July): Air quality in São Pedro da Aldeia is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (O3: 16.0/100).
Tomorrow (17 July 2026): Air quality in São Pedro da Aldeia is good. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 16.8/100). 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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São Pedro da Aldeia's air quality benefits from its position on the Araruama Lagoon in Rio de Janeiro state, with consistent Atlantic sea breezes providing reliable maritime ventilation along this Costa do Sol resort coastline. Vehicle emissions from the RJ-106 and seasonal tourism traffic are the primary local sources, while the lagoon's coastal geography and open Atlantic exposure generally maintain good baseline conditions throughout most of the year.
Today - 16 July | Pollution peaks at 19:00
AQI:
Good
16.0/100
PM2.5 (fine particles):
Good
5.6/100
PM10 (coarse particles):
Good
2.5/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
16.0/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
1.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Good
16.8/100
PM2.5 (fine particles):
Good
7.2/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
16.8/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
1.4/100
Pollen forecast in São Pedro da Aldeia
View pollen forecastFrequently Asked Questions
Is air quality bad in São Pedro da Aldeia right now?
On 16 July 2026, overall air quality in São Pedro da Aldeia is good. AQI is the main air quality indicator at 16.0/100. Pollution peaks around 7:00 PM (O3: 16.0/100).
Will air quality be worse tomorrow in São Pedro da Aldeia?
On 17 July 2026, air quality conditions in São Pedro da Aldeia will be similar to today, with AQI forecast at good at 16.8/100. Pollution peaks around 11:00 PM (O3: 16.8/100).
When is air pollution at its worst in São Pedro da Aldeia?
The most noticeable dips in São Pedro da Aldeia's air quality come when restinga coastal scrub and introduced urban trees pollen peaks, or because of vehicle emissions from the RJ-106 and seasonal tourism traffic; for the rest of the year, natural airflow keeps background levels low.
Are air quality levels in São Pedro da Aldeia 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