Air Quality in Niterói, Brazil

Partly Cloudy
27.2°C · 51.4% humidity
27.2°
Feels 29.3°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 11am
54
54
60 2pm
58
37
36 5pm
56
55
67 8pm
67
66
66 11pm
66
54
54 2am
54
54
54 5am
54
54
54 8am
54
54
AD 728×90
View AQI history for Niterói →

Niterói's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons. Current PM2.5 concentration in Niterói is 1.1× the WHO 24-hour guideline of 15 µg/m³.

51.4%
Humidity
37.3 km/h
Wind SE
1016.3 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
60
16.35 µg/m³
PM10
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Niterói?

Temperature & Precipitation

PM2.516.35 µg/m³ ×1.1 WHO
Moderate
PM1066.15 µg/m³
Moderate
UV INDEX14.9
Extreme
AD 300×250
Both models agree Avg diff: 2.3°C

Where are air quality stations near Niterói?

–
brazil-região-norte-alameda-são-boaventura
0.6 km 29.4°C 72.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Niterói?

60 Rio de Janeiro 60 Catete 60 Santa Teresa 60 Estácio 60 Ipanema 60 Leblon 60 Vidigal 60 Rocinha 42 Duque de Caxias 42 Magé
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:13 UTC.