Air Quality in Santiago, Mexico
Drizzle
20.0°C · 84.8% humidity
20.0°
Feels 20.0°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Santiago's air quality — share it
AQI Forecast
54
12pm
54
54
50
3pm
34
34
34
6pm
34
34
27
9pm
34
34
54
12am
54
54
54
3am
54
54
54
6am
54
54
34
9am
34
34
Air Quality Index Trend
47h · 12 stnSantiago'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 Santiago is 2.4× the WHO annual guideline of 5 µg/m³.
84.8%
Humidity
26.5 km/h
Wind SE
1009.3 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
12.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Santiago?
Temperature & Precipitation
PM2.5 Trend
47h · 12 stationsPM2.512.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (1 station within 25 km)
12.0
Median
12.0
Average
12.0
Low
12.0
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +1.5
What is the 7-day forecast for Santiago?
05-28
27.6° 18.9°
0.94 mm
05-29
24.0° 17.1°
3.63 mm
05-30
24.3° 17.9°
0.44 mm
05-31
27.5° 16.9°
1.19 mm
06-01
29.4° 17.8°
4.06 mm
06-02
26.0° 15.7°
0.06 mm
06-03
27.3° 17.7°
0.06 mm
Both models agree
Avg diff: 6.8°C
Where are air quality stations near Santiago?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T21:36 UTC.