Air Quality in Santiago, Chile

Cloudy
8.7°C · 73.8% humidity
8.7°
Feels 6.4°
111
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
173 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
121 4pm
101
112
111 7pm
119
111
115 10pm
118
120
121 1am
122
123
124 4am
109
109
110 7am
125
110
125 10am
125
125
110 1pm
110
110
Station readings
121
101
112
122
CAMS model adj -36
146
161
161
174
174
161
161
161
161
161
161
161
161
146
146
146
161
146
161
161
161
146
146
146
AD 728×90

Air Quality Index Trend

48h · 85 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 2.6× the WHO 24-hour guideline of 15 µg/m³.

73.8%
Humidity
14.7 km/h
Wind WSW
1019.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
111
39.64 µg/m³
PM10▲
138
229.9 µg/m³
050100150200300500

What is the weather forecast for Santiago?

Temperature & Precipitation

PM2.5 Trend

48h · 85 stations
PM2.539.64 µg/m³ ×2.6 WHO
Unhealthy for sensitive groups
PM10229.9 µg/m³
Unhealthy for sensitive groups
UV INDEX0.7
Low
AD 300×250
Station readings (173 stations within 25 km)
39.64
Median
42.39
Average
11.5
Low
355.0
High
PM2.5 µg/m³ · Model: 99.95 · Bias: +60.3

What is the 7-day forecast for Santiago?

06-08
15.5° 10.6°
06-09
12.3° 7.8°
06-10
18.5° 7.3°
6.44 mm
06-11
15.9° 10.2°
6.37 mm
06-12
12.8° 4.6°
0.88 mm
06-13
10.8° 7.7°
2.81 mm
06-14
16.4° -2.9°
0.13 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Santiago?

134
CHS 56 H P2 6813bb
0.9 km 20.0°C 46.0% RH PM2.5: 49.0 µg/m³
122
CHS 56 H S2 2755bd
0.9 km 0.0°C 0.0% RH PM2.5: 44.0 µg/m³
110
CHS 56 H S1 483da3
0.9 km 0.0°C 0.0% RH PM2.5: 39.0 µg/m³
154
CHS 56 H P1 13c1b1
0.9 km 23.0°C 35.0% RH PM2.5: 62.0 µg/m³
102
Parque O'Higgins, Chile
1.4 km PM2.5: 35.9 µg/m³
97
CHS 64 H S1 6912be
1.5 km 0.0°C 0.0% RH PM2.5: 34.0 µg/m³
129
CHS 64 H P1 5ecc3a
1.5 km 16.0°C 55.0% RH PM2.5: 47.0 µg/m³
112
CHS 64 H P2 V2 68a975
1.5 km 18.0°C 52.0% RH PM2.5: 40.0 µg/m³
72
CHS 70 H P2 ef48f2
1.7 km 17.0°C 53.0% RH PM2.5: 22.0 µg/m³
112
CHS 70 H S1 a748e7
1.7 km 0.0°C 0.0% RH PM2.5: 40.0 µg/m³

What cities are near Santiago?

115 Ñuñoa 102 Lo Prado 110 Renca 119 Peñalolén 110 Quilicura 180 Maipú 111 La Pintana 117 San Bernardo 112 Puente Alto 145 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 2026-06-08T23:26 UTC.