What is the air quality in Rancagua today?

The current Air Quality Index (AQI) in Rancagua is 93 (Moderate). PM2.5 concentration is 32.3 µg/m³.

What is the temperature in Rancagua right now?

The current temperature in Rancagua is 10.1°C (feels like 10.1°C). Humidity is 63.4% and wind speed is 6.6 km/h.

Air Quality in Rancagua, Chile

Partly Cloudy

10.1°C · 63.4% humidity

10.1°

Feels 10.1°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

2 stations

Nearby Monitoring Stations

AQI Forecast

66 4pm

93 7pm

108

119

127 10pm

132

136

139 1am

141

142

143 4am

145 7am

145

146

146 10am

146

146 1pm

Air Quality Index Trend

42h · 1 stn

View full history →

Rancagua'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 Rancagua is 2.2× the WHO 24-hour guideline of 15 µg/m³.

63.4%

Humidity

6.6 km/h

Wind SW

1019.0 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

32.3 µg/m³

PM10

129.9 µg/m³

050100150200300500

What is the weather forecast for Rancagua?

Temperature & Precipitation

PM2.5 Trend

42h · 1 station

PM2.532.3 µg/m³ ×2.2 WHO

Moderate

PM10129.9 µg/m³

Moderate

UV INDEX0.7

Low

Station readings (2 stations within 25 km)

32.3

Median

32.3

Average

23.0

Low

41.6

High

PM2.5 µg/m³ · Model: 64.32 · Bias: +32.0

What is the 7-day forecast for Rancagua?

06-08

19.7° 9.0°

06-09

15.4° 7.4°

06-10

17.4° 7.1°

2.0 mm

06-11

18.6° 9.9°

18.75 mm

06-12

13.3° 6.2°

0.38 mm

06-13

9.4° 6.6°

10.19 mm

06-14

17.7° 1.0°

0.06 mm

Both models agree Avg diff: 2.0°C

Where are air quality stations near Rancagua?

Rancagua I, Chile

2.6 km PM2.5: 9.4 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 6.2 µg/m³

107

Rancagua I, Chile

2.6 km PM2.5: 37.9 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 7.7 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 3.1 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 5.3 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 8.4 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 7.9 µg/m³

Rancagua II, Chile

2.8 km PM2.5: 8.2 µg/m³

Rancagua II, Chile

2.8 km PM2.5: 16.4 µg/m³

What cities are near Rancagua?

93 Machalí 93 Graneros 93 San Francisco de Mostazal 84 Rengo 115 Paine 114 San Vicente 114 San Vicente de Tagua Tagua 128 Buin 99 Talagante 92 El Monte

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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 2026-06-08T23:25 UTC.