What is the air quality in Rancagua today?

The current Air Quality Index (AQI) in Rancagua is 39 (Good). PM2.5 concentration is 9.4 µg/m³.

What is the temperature in Rancagua right now?

The current temperature in Rancagua is 8.6°C (feels like 6.4°C). Humidity is 42.2% and wind speed is 14.2 km/h.

Is it safe to go outside in Rancagua?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Rancagua, Chile

Clear

8.6°C · 42.2% humidity

8.6°

Feels 6.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

25 3pm

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Air Quality Index Trend

38h · 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.

42.2%

Humidity

14.2 km/h

Wind S

1018.6 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.4 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Rancagua?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station

PM2.59.4 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

9.4

Median

9.4

Average

9.4

Low

9.4

High

PM2.5 µg/m³ · Model: 6.15 · Bias: -3.2

What is the 7-day forecast for Rancagua?

07-21

18.6° 5.3°

9.81 mm

07-22

9.0° 1.4°

0.06 mm

07-23

15.3° 3.9°

0.62 mm

07-24

11.9° -0.2°

07-25

11.6° 5.5°

3.25 mm

07-26

16.8° 8.5°

5.19 mm

07-27

19.3° 8.5°

Both models agree Avg diff: 3.2°C

Where are air quality stations near Rancagua?

Rancagua I, Chile

2.6 km PM2.5: 8.4 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 5.3 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 10.8 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 10.1 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 16.9 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 8.2 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 7.0 µg/m³

Rancagua I, Chile

2.6 km PM2.5: 31.1 µg/m³

Rancagua II, Chile

2.8 km PM2.5: 8.4 µg/m³

Rancagua II, Chile

2.8 km PM2.5: 13.1 µg/m³

What cities are near Rancagua?

39 Machalí 39 Graneros 39 San Francisco de Mostazal 28 Rengo 48 Paine 28 San Vicente 28 San Vicente de Tagua Tagua 43 Buin 61 Talagante 62 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 2026-07-21T22:37 UTC.