Air Quality in Santiago, Chile

Clear
12.8°C · 18.4% humidity
12.8°
Feels 12.8°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
149 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 4pm
34
56
45 7pm
47
77
78 10pm
79
80
80 1am
80
81
81 4am
81
81
81 7am
82
64
64 10am
81
64
64 1pm
64
64
Station readings
20
34
56
CAMS model adj -2
27
27
54
54
54
83
83
83
83
83
83
83
83
83
83
83
84
66
66
83
66
66
66
66
AD 728×90

Air Quality Index Trend

47h · 82 stn

Santiago's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.

18.4%
Humidity
13.8 km/h
Wind ESE
1017.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.93 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Santiago?

Temperature & Precipitation

PM2.5 Trend

47h · 82 stations
PM2.510.93 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (149 stations within 25 km)
10.93
Median
12.0
Average
1.0
Low
172.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -0.1

What is the 7-day forecast for Santiago?

07-21
15.7° 4.5°
15.38 mm
07-22
12.9° 3.2°
07-23
15.1° 4.4°
3.56 mm
07-24
10.5° -2.0°
0.06 mm
07-25
12.3° 2.8°
3.0 mm
07-26
13.0° 9.1°
2.63 mm
07-27
16.9° 9.1°
Both models agree Avg diff: 3.8°C

Where are air quality stations near Santiago?

12
CHS 56 H S1 483da3
0.9 km 0.0°C 0.0% RH PM2.5: 3.0 µg/m³
21
CHS 56 H S2 2755bd
0.9 km 0.0°C 0.0% RH PM2.5: 5.0 µg/m³
99
CHS 56 H P2 6813bb
0.9 km 12.0°C 78.0% RH PM2.5: 35.0 µg/m³
72
CHS 56 H P1 13c1b1
0.9 km 12.0°C 75.0% RH PM2.5: 22.0 µg/m³
35
Parque O'Higgins, Chile
1.4 km PM2.5: 8.4 µg/m³
46
CHS 64 H P2 V2 68a975
1.5 km 11.0°C 83.0% RH PM2.5: 11.0 µg/m³
29
CHS 64 H P1 5ecc3a
1.5 km 11.0°C 79.0% RH PM2.5: 7.0 µg/m³
29
CHS 64 H S1 6912be
1.5 km 0.0°C 0.0% RH PM2.5: 7.0 µg/m³
21
CHS 70 H S1 a748e7
1.7 km 0.0°C 0.0% RH PM2.5: 5.0 µg/m³
33
CHS 70 H P2 ef48f2
1.7 km 11.0°C 82.0% RH PM2.5: 8.0 µg/m³

What cities are near Santiago?

39 Ñuñoa 60 Lo Prado 51 Renca 54 Peñalolén 55 Quilicura 64 Maipú 49 La Pintana 52 San Bernardo 16 Puente Alto 51 Padre Hurtado
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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 2026-07-21T23:50 UTC.