Weather map
Wind, rain and temperature — NiteróiLoading map…
Air Quality
Niterói • 3 daysGood
Moderate
Sensitive groups
Unhealthy
Very unhealthy
Hazardous
Today 18/09
😐
Moderate AQI 60 / 300
PM2.5
16.8 µg/m³
PM10
19.2 µg/m³
Ozone (O₃)
23.0 µg/m³
Nitrogen dioxide (NO₂)
26.0 µg/m³
Sulfur dioxide (SO₂)
6.4 µg/m³
Carbon monoxide (CO)
111.0 µg/m³
Tomorrow 19/09
😐
Moderate AQI 54 / 300
PM2.5
14.0 µg/m³
PM10
18.3 µg/m³
Ozone (O₃)
52.9 µg/m³
Nitrogen dioxide (NO₂)
12.6 µg/m³
Sulfur dioxide (SO₂)
4.8 µg/m³
Carbon monoxide (CO)
105.5 µg/m³
Sun 20/09
😊
Good AQI 44 / 300
PM2.5
10.6 µg/m³
PM10
12.9 µg/m³
Ozone (O₃)
53.2 µg/m³
Nitrogen dioxide (NO₂)
10.9 µg/m³
Sulfur dioxide (SO₂)
3.7 µg/m³
Carbon monoxide (CO)
128.9 µg/m³
Nearby cities
Niterói and regionadvertisement
advertisement
Air quality in Niterói (RJ)
Air quality in Niterói (Rio de Janeiro) with up-to-date data for today, tomorrow and the day after: air quality index (AQI), fine particulate matter PM2.5 and PM10, ozone (O₃), nitrogen dioxide (NO₂), sulfur dioxide (SO₂) and carbon monoxide (CO). Find out whether the air is Good, Moderate, Unhealthy or Hazardous and make safer decisions for outdoor activities.
