Air Quality in San Cristóbal de las Casas, Mexico
Drizzle
19.7°C · 74.7% humidity
19.7°
Feels 19.7°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
San Cristóbal de las Casas's air quality — share it
AQI Forecast
27
12pm
27
27
42
3pm
38
42
40
6pm
58
57
56
9pm
55
55
55
12am
55
54
54
3am
54
66
66
6am
54
54
34
9am
34
34
San Cristóbal de las Casas's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons. Current PM2.5 concentration in San Cristóbal de las Casas is 2.0× the WHO annual guideline of 5 µg/m³.
74.7%
Humidity
24.0 km/h
Wind NE
1011.8 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for San Cristóbal de las Casas?
Temperature & Precipitation
PM2.510.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
What is the 7-day forecast for San Cristóbal de las Casas?
05-28
25.1° 16.0°
26.56 mm
05-29
25.4° 15.2°
3.06 mm
05-30
23.1° 14.6°
3.37 mm
05-31
19.9° 14.9°
4.69 mm
06-01
22.5° 15.7°
21.0 mm
06-02
21.0° 14.6°
2.87 mm
06-03
20.9° 15.1°
13.37 mm
Both models agree
Avg diff: 2.4°C
What cities are near San Cristóbal de las Casas?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T21:37 UTC.