Air Quality in Niterói, Brazil
Overcast
18.6°C · 92.4% humidity
18.6°
Feels 18.6°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
AQI Forecast
66
1am
66
66
54
4am
54
54
54
7am
54
54
54
10am
54
54
54
1pm
34
34
34
4pm
54
54
66
7pm
66
66
66
10pm
66
54
Niterói's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
92.4%
Humidity
15.0 km/h
Wind NW
1020.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.5 µg/m³
PM10
41.15 µg/m³
050100150200300500
What is the weather forecast for Niterói?
Temperature & Precipitation
PM2.513.5 µg/m³
✓ WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
Both models agree
Avg diff: 2.9°C
Where are air quality stations near Niterói?
What cities are near Niterói?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T07:43 UTC.