Air Quality in Rio das Ostras, Brazil
Windy
27.4°C · 47.9% humidity
27.4°
Feels 29.1°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Rio das Ostras's air quality — share it
AQI Forecast
27
11am
27
27
31
2pm
27
27
34
5pm
34
34
34
8pm
34
34
27
11pm
27
27
27
2am
34
34
34
5am
34
34
34
8am
34
34
Rio das Ostras's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
47.9%
Humidity
71.0 km/h
Wind ENE
1016.8 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.35 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Rio das Ostras?
Temperature & Precipitation
PM2.57.35 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
What is the 7-day forecast for Rio das Ostras?
07-21
27.4° 17.7°
0.69 mm
07-22
24.7° 17.2°
07-23
28.0° 17.7°
2.94 mm
07-24
29.8° 16.9°
07-25
23.8° 19.2°
0.06 mm
07-26
25.1° 19.0°
0.38 mm
07-27
29.2° 17.3°
3.0 mm
Both models agree
Avg diff: 2.4°C
What cities are near Rio das Ostras?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:15 UTC.