Air Quality in San Marcos, Guatemala
Windy
24.4°C · 65.0% humidity
24.4°
Feels 24.4°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
San Marcos's air quality — share it
AQI Forecast
84
12am
84
83
41
3am
48
53
57
6am
59
61
51
9am
52
52
53
12pm
53
53
54
3pm
54
54
54
6pm
66
83
84
9pm
84
84
San Marcos's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
65.0%
Humidity
49.7 km/h
Wind SW
1013.4 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.75 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for San Marcos?
Temperature & Precipitation
PM2.59.75 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for San Marcos?
08-03
24.4° 15.0°
6.0 mm
08-04
22.0° 16.1°
9.06 mm
08-05
23.5° 15.2°
3.31 mm
08-06
25.7° 15.1°
3.31 mm
08-07
20.7° 16.2°
7.63 mm
08-08
22.4° 15.3°
13.19 mm
08-09
22.6° 16.1°
11.87 mm
Both models agree
Avg diff: 3.8°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T09:23 UTC.