Air Quality in Santiago, Mexico
Windy
30.6°C · 38.8% humidity
30.6°
Feels 30.6°
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Santiago's air quality — share it
AQI Forecast
54
8am
27
27
74
11am
56
48
42
2pm
36
33
30
5pm
29
28
27
8pm
26
26
26
11pm
28
27
27
2am
27
27
34
5am
34
54
Air Quality Index Trend
45h · 8 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 1.5× the WHO 24-hour guideline of 15 µg/m³.
38.8%
Humidity
41.0 km/h
Wind ENE
1015.2 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
23.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Santiago?
Temperature & Precipitation
PM2.5 Trend
45h · 8 stationsPM2.523.0 µg/m³
×1.5 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (1 station within 25 km)
23.0
Median
23.0
Average
23.0
Low
23.0
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -16.5
What is the 7-day forecast for Santiago?
09-05
30.6° 18.3°
09-06
30.3° 18.0°
0.19 mm
09-07
29.0° 19.1°
1.19 mm
09-08
30.7° 20.1°
1.56 mm
09-09
31.3° 19.5°
0.75 mm
09-10
27.7° 18.1°
3.81 mm
09-11
29.9° 19.2°
0.13 mm
Both models agree
Avg diff: 5.8°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 2026-09-05T17:04 UTC.