Air Quality in Santiago, Chile

Clear
12.8°C · 18.4% humidity
12.8°
Feels 12.8°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
141 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
34 5pm
56
42
55 8pm
82
82
82 11pm
82
82
82 2am
82
82
82 5am
82
82
83 8am
65
65
82 11am
65
65
65 2pm
65
65
Station readings
34
56
42
68
CAMS model adj -1
27
54
54
54
83
83
83
83
83
83
83
83
83
83
83
84
66
66
83
66
66
66
66
66
AD 728×90

Air Quality Index Trend

48h · 81 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▲
55
13.99 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Santiago?

Temperature & Precipitation

PM2.5 Trend

48h · 81 stations
PM2.513.99 µg/m³ ✓ WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (141 stations within 25 km)
13.99
Median
14.7
Average
0.87
Low
172.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -3.1

What is the 7-day forecast for Santiago?

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°
07-28
13.1° 7.8°
2.25 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near Santiago?

33
CHS 56 H S1 483da3
0.9 km 0.0°C 0.0% RH PM2.5: 8.0 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
87
CHS 56 H P1 13c1b1
0.9 km 13.0°C 74.0% RH PM2.5: 29.0 µg/m³
35
Parque O'Higgins, Chile
1.4 km PM2.5: 8.4 µg/m³
38
CHS 64 H P2 V2 68a975
1.5 km 11.0°C 81.0% RH PM2.5: 9.0 µg/m³
61
CHS 64 H P1 5ecc3a
1.5 km 11.0°C 81.0% RH PM2.5: 17.0 µg/m³
29
CHS 64 H S1 6912be
1.5 km 0.0°C 0.0% RH PM2.5: 7.0 µg/m³
25
CHS 70 H S1 a748e7
1.7 km 0.0°C 0.0% RH PM2.5: 6.0 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?

46 Ñuñoa 78 Lo Prado 60 Renca 59 Peñalolén 67 Quilicura 67 Maipú 52 La Pintana 56 San Bernardo 17 Puente Alto 59 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 2026-07-22T00:55 UTC.