Air Quality in São Tomé, Sao Tome and Principe
Cloudy
21.4°C · 77.7% humidity
21.4°
Feels 21.4°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
São Tomé's air quality — share it
AQI Forecast
54
2am
54
54
60
5am
58
57
56
8am
56
55
55
11am
55
54
54
2pm
54
54
54
5pm
54
54
54
8pm
54
54
54
11pm
54
54
Current PM2.5 concentration in São Tomé is 1.1× the WHO 24-hour guideline of 15 µg/m³.
77.7%
Humidity
24.3 km/h
Wind SW
1018.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.35 µg/m³
PM10
41.15 µg/m³
050100150200300500
What is the weather forecast for São Tomé?
Temperature & Precipitation
PM2.516.35 µg/m³
×1.1 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for São Tomé?
07-22
23.9° 21.4°
0.13 mm
07-23
24.6° 21.3°
07-24
22.9° 21.0°
07-25
23.6° 20.4°
0.06 mm
07-26
23.2° 20.8°
0.13 mm
07-27
23.9° 21.2°
0.06 mm
07-28
23.4° 20.7°
0.13 mm
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T05:49 UTC.