Air Quality in Santa Helena, Brazil
Overcast
23.0°C · 93.2% humidity
23.0°
Feels 23.0°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Santa Helena's air quality — share it
AQI Forecast
24
4pm
24
24
24
7pm
24
24
24
10pm
24
24
24
1am
25
25
25
4am
25
25
25
7am
25
25
27
10am
25
25
25
1pm
25
25
Santa Helena's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
93.2%
Humidity
20.7 km/h
Wind NE
1014.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Santa Helena?
Temperature & Precipitation
PM2.55.8 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Santa Helena?
07-21
31.0° 21.7°
2.31 mm
07-22
30.0° 21.7°
3.94 mm
07-23
30.4° 21.7°
2.5 mm
07-24
28.4° 23.0°
4.63 mm
07-25
30.3° 22.1°
2.75 mm
07-26
29.9° 22.4°
5.19 mm
07-27
28.6° 22.2°
3.38 mm
Both models agree
Avg diff: 2.2°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 2026-07-21T22:19 UTC.