Air Quality in Santiago, Chile

Heavy Rain
5.6°C · 85.7% humidity
5.6°
Feels 1.8°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
127 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
33 7pm
29
38
62 10pm
51
44
38 1am
34
31
29 4am
40
39
55 7am
55
55
54 10am
36
36
24 1pm
24
24
24 4pm
24
24
Station readings
33
29
38
CAMS model adj -30
66
66
66
54
54
54
54
54
54
54
66
66
83
84
84
83
66
66
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 83 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 1.1× the WHO 24-hour guideline of 15 µg/m³.

85.7%
Humidity
20.6 km/h
Wind SSE
1015.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
62
17.22 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Santiago?

Temperature & Precipitation

PM2.5 Trend

47h · 83 stations
PM2.517.22 µg/m³ ×1.1 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (127 stations within 25 km)
17.22
Median
18.96
Average
4.0
Low
47.0
High
PM2.5 µg/m³ · Model: 12.85 · Bias: -4.4

What is the 7-day forecast for Santiago?

08-03
12.7° 1.3°
24.5 mm
08-04
13.7° 6.4°
16.62 mm
08-05
12.6° 3.9°
4.0 mm
08-06
20.9° 9.1°
0.75 mm
08-07
17.7° 10.2°
08-08
13.9° 6.3°
9.13 mm
08-09
18.6° 1.5°
28.56 mm
Both models agree Avg diff: 4.8°C

Where are air quality stations near Santiago?

46
CHS 56 H P1 13c1b1
0.9 km 14.0°C 58.0% RH PM2.5: 11.0 µg/m³
29
CHS 56 H P2 6813bb
0.9 km 14.0°C 57.0% RH PM2.5: 7.0 µg/m³
46
CHS 56 H S2 2755bd
0.9 km 0.0°C 0.0% RH PM2.5: 11.0 µg/m³
17
CHS 56 H S1 483da3
0.9 km 0.0°C 0.0% RH PM2.5: 4.0 µg/m³
59
Parque O'Higgins, Chile
1.4 km PM2.5: 15.9 µg/m³
50
CHS 64 H P1 5ecc3a
1.5 km 9.0°C 69.0% RH PM2.5: 12.0 µg/m³
21
CHS 64 H S1 6912be
1.5 km 0.0°C 0.0% RH PM2.5: 5.0 µg/m³
68
CHS 64 H P2 V2 68a975
1.5 km 10.0°C 77.0% RH PM2.5: 20.0 µg/m³
21
CHS 70 H P2 ef48f2
1.7 km 11.0°C 60.0% RH PM2.5: 5.0 µg/m³
38
CHS 70 H P1 a082ef
1.7 km 12.0°C 59.0% RH PM2.5: 9.0 µg/m³

What cities are near Santiago?

64 Ñuñoa 63 Lo Prado 76 Renca 75 Peñalolén 65 Quilicura 52 Maipú 61 La Pintana 62 San Bernardo 50 Puente Alto 50 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 2026-08-08T02:37 UTC.