Air Quality in Santa Helena, Brazil
Drizzle
17.6°C · 92.8% humidity
17.6°
Feels 17.6°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Santa Helena's air quality — share it
AQI Forecast
25
8am
25
25
26
11am
25
25
25
2pm
25
25
27
5pm
27
27
27
8pm
27
25
25
11pm
25
25
25
2am
25
25
25
5am
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.
92.8%
Humidity
57.4 km/h
Wind SSW
1019.3 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Santa Helena?
Temperature & Precipitation
PM2.56.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
What is the 7-day forecast for Santa Helena?
09-05
26.7° 17.3°
2.63 mm
09-06
25.0° 15.6°
36.81 mm
09-07
24.4° 19.6°
5.75 mm
09-08
30.4° 15.9°
0.94 mm
09-09
25.1° 11.1°
8.69 mm
09-10
22.6° 19.0°
8.38 mm
09-11
24.9° 19.2°
6.69 mm
Both models agree
Avg diff: 3.7°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 2026-09-05T14:00 UTC.