Worst air pollution Araruama, today and tomorrow
Today (16 July): Air quality in Araruama 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 Araruama 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.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Araruama's air quality benefits from its Atlantic coastal position on the Araruama Lagoon in Rio de Janeiro state, with consistent Atlantic sea breezes providing reliable maritime ventilation across this major resort community. Vehicle emissions from the RJ-106 and seasonal tourism traffic are the primary local sources, while the lagoon's unique hypersaline 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
9.7/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Good
16.0/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
1.7/100
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
12.4/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Good
16.8/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
2.4/100
Pollen forecast in Araruama
View pollen forecastFrequently Asked Questions
Is air quality bad in Araruama right now?
On 16 July 2026, overall air quality in Araruama 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 Araruama?
On 17 July 2026, air quality conditions in Araruama 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 Araruama?
You're most likely to notice worse air in Araruama when restinga coastal scrub and introduced urban trees pollen peaks, or due to vehicle emissions from the RJ-106 and seasonal tourism traffic; the rest of the year, the local setting keeps things noticeably clearer than average.
Are air quality levels in Araruama 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.
Want to see air quality forecasts for other cities in Brazil?
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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