Air Quality
Niterói (RJ) • 3 daysGood
Moderate
Sensitive groups
Unhealthy
Very unhealthy
Hazardous
Today 27/05
😐
Moderate AQI 65 / 300
PM2.5
19.1 µg/m³
PM10
23.3 µg/m³
Ozone (O₃)
85.0 µg/m³
Nitrogen dioxide (NO₂)
24.5 µg/m³
Sulfur dioxide (SO₂)
7.6 µg/m³
Carbon monoxide (CO)
137.9 µg/m³
Tomorrow 28/05
😐
Moderate AQI 52 / 300
PM2.5
12.8 µg/m³
PM10
17.2 µg/m³
Ozone (O₃)
50.9 µg/m³
Nitrogen dioxide (NO₂)
16.3 µg/m³
Sulfur dioxide (SO₂)
6.5 µg/m³
Carbon monoxide (CO)
125.0 µg/m³
Fri 29/05
😐
Moderate AQI 70 / 300
PM2.5
21.4 µg/m³
PM10
26.5 µg/m³
Ozone (O₃)
41.8 µg/m³
Nitrogen dioxide (NO₂)
27.0 µg/m³
Sulfur dioxide (SO₂)
10.1 µg/m³
Carbon monoxide (CO)
203.0 µg/m³
Nearby cities
Niterói (RJ) and regionAir 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.
