Air Quality in Petrópolis, Brazil
Windy
30.6°C · 21.4% humidity
30.6°
Feels 30.6°
69
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Petrópolis's air quality — share it
AQI Forecast
66
9am
54
54
69
12pm
65
62
72
3pm
70
69
68
6pm
67
55
55
9pm
55
34
34
12am
27
25
25
3am
25
25
25
6am
25
24
Petrópolis'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 Petrópolis is 1.4× the WHO 24-hour guideline of 15 µg/m³.
21.4%
Humidity
41.4 km/h
Wind NNE
1011.0 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
20.75 µg/m³
PM10
91.15 µg/m³
050100150200300500
What is the weather forecast for Petrópolis?
Temperature & Precipitation
PM2.520.75 µg/m³
×1.4 WHO
Moderate
PM1091.15 µg/m³
Moderate
UV INDEX24.9
Extreme
What is the 7-day forecast for Petrópolis?
09-05
30.6° 16.7°
9.0 mm
09-06
27.2° 17.3°
2.19 mm
09-07
23.7° 15.6°
2.19 mm
09-08
25.4° 13.6°
0.44 mm
09-09
24.4° 10.5°
8.69 mm
09-10
26.2° 17.4°
2.81 mm
09-11
20.2° 17.5°
3.88 mm
Both models agree
Avg diff: 5.6°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:46 UTC.