Air Quality in Saint-Marc, Haiti
Partly Cloudy
29.9°C · 59.8% humidity
29.9°
Feels 34.2°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Saint-Marc's air quality — share it
AQI Forecast
66
8am
54
54
54
11am
54
54
54
2pm
54
54
54
5pm
54
54
54
8pm
54
54
54
11pm
54
54
54
2am
54
54
54
5am
54
54
Saint-Marc's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
59.8%
Humidity
30.9 km/h
Wind W
1010.8 hPa
Pressure
19.9
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 Saint-Marc?
Temperature & Precipitation
PM2.513.5 µg/m³
✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX19.9
Extreme
What is the 7-day forecast for Saint-Marc?
09-20
29.9° 27.0°
0.56 mm
09-21
28.4° 27.2°
2.44 mm
09-22
28.6° 27.5°
0.69 mm
09-23
29.8° 27.0°
5.87 mm
09-24
28.7° 26.0°
8.13 mm
09-25
29.5° 25.8°
8.63 mm
09-26
28.0° 26.7°
3.69 mm
Both models agree
Avg diff: 1.1°C
What cities are near Saint-Marc?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-20T15:15 UTC.