Air Quality in Santa Helena, Brazil
Windy
13.7°C · 78.9% humidity
13.7°
Feels 13.7°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Santa Helena's air quality — share it
AQI Forecast
66
10pm
66
54
54
1am
54
54
54
4am
54
54
54
7am
54
54
54
10am
54
34
34
1pm
27
27
27
4pm
34
54
54
7pm
66
66
Santa Helena's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
78.9%
Humidity
61.1 km/h
Wind S
1019.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.5 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Santa Helena?
Temperature & Precipitation
PM2.513.5 µg/m³
✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Santa Helena?
05-30
21.7° 13.7°
05-31
17.0° 12.5°
30.38 mm
06-01
20.1° 13.8°
0.56 mm
06-02
19.0° 12.5°
06-03
20.5° 18.9°
4.31 mm
06-04
22.2° 14.9°
06-05
16.0° 9.3°
1.94 mm
Both models agree
Avg diff: 4.3°C
What cities are near Santa Helena?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T04:28 UTC.