Air Quality in Santa Helena, Brazil
Drizzle
34.5°C · 38.5% humidity
34.5°
Feels 34.5°
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
34
11am
34
34
54
2pm
54
54
54
5pm
54
54
54
8pm
34
27
27
11pm
27
27
27
2am
27
27
27
5am
27
27
27
8am
27
34
Santa Helena's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
38.5%
Humidity
36.2 km/h
Wind NE
1010.0 hPa
Pressure
17.4
UV Extreme
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 INDEX17.4
Extreme
What is the 7-day forecast for Santa Helena?
09-05
34.5° 22.9°
0.81 mm
09-06
30.5° 22.1°
0.13 mm
09-07
31.4° 21.5°
1.88 mm
09-08
34.4° 23.0°
0.06 mm
09-09
37.0° 24.0°
0.06 mm
09-10
32.1° 21.6°
09-11
34.6° 21.8°
0.06 mm
Both models agree
Avg diff: 1.8°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 2026-09-05T17:11 UTC.