Air Quality in Santiago, Chile

Drizzle
14.4°C · 53.6% humidity
14.4°
Feels 14.4°
87
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
151 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
95 3am
88
73
87 6am
84
99
99 9am
97
96
95 12pm
78
78
77 3pm
65
65
65 6pm
77
77
94 9pm
94
95
95 12am
95
95
Station readings
95
88
73
CAMS model adj +11
83
66
66
66
66
83
84
83
83
83
66
66
66
54
54
54
66
66
83
83
84
84
84
84
AD 728×90

Air Quality Index Trend

47h · 79 stn

Santiago'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 2.0× the WHO 24-hour guideline of 15 µg/m³.

53.6%
Humidity
55.4 km/h
Wind ENE
1017.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
87
29.31 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Santiago?

Temperature & Precipitation

PM2.5 Trend

47h · 79 stations
PM2.529.31 µg/m³ ×2.0 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (151 stations within 25 km)
29.31
Median
26.68
Average
2.57
Low
196.5
High
PM2.5 µg/m³ · Model: 12.6 · Bias: -16.7

What is the 7-day forecast for Santiago?

09-05
14.4° 8.3°
1.0 mm
09-06
12.4° 7.0°
0.62 mm
09-07
15.8° 4.7°
09-08
13.0° 9.5°
0.13 mm
09-09
14.3° 9.6°
9.31 mm
09-10
10.5° 6.4°
37.94 mm
09-11
15.2° 4.1°
21.25 mm
Both models agree Avg diff: 4.0°C

Where are air quality stations near Santiago?

76
CHS 56 H S1 483da3
0.9 km 0.0°C 0.0% RH PM2.5: 24.0 µg/m³
124
CHS 56 H P2 6813bb
0.9 km 20.0°C 44.0% RH PM2.5: 45.0 µg/m³
80
CHS 56 H S2 2755bd
0.9 km 0.0°C 0.0% RH PM2.5: 26.0 µg/m³
132
CHS 56 H P1 13c1b1
0.9 km 16.0°C 43.0% RH PM2.5: 48.0 µg/m³
89
Parque O'Higgins, Chile
1.4 km PM2.5: 30.2 µg/m³
48
Parque O'Higgins, Chile
1.4 km PM2.5: 11.5 µg/m³
112
Parque O'Higgins, Chile
1.4 km PM2.5: 40.0 µg/m³
50
Parque O'Higgins, Chile
1.4 km PM2.5: 12.0 µg/m³
102
CHS 64 H P1 5ecc3a
1.5 km 13.0°C 54.0% RH PM2.5: 36.0 µg/m³
55
CHS 64 H S1 6912be
1.5 km 0.0°C 0.0% RH PM2.5: 14.0 µg/m³

What cities are near Santiago?

64 Ñuñoa 108 Lo Prado 88 Renca 53 Peñalolén 97 Quilicura 168 Maipú 95 La Pintana 98 San Bernardo 66 Puente Alto 115 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 2026-09-05T10:27 UTC.