What is the air quality in Chillán Viejo today?

The current Air Quality Index (AQI) in Chillán Viejo is 25 (Good). PM2.5 concentration is 5.9 µg/m³.

What is the temperature in Chillán Viejo right now?

The current temperature in Chillán Viejo is 13.0°C (feels like 13.0°C). Humidity is 73.5% and wind speed is 64.5 km/h.

Is it safe to go outside in Chillán Viejo?

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

Air Quality in Chillán Viejo, Chile

Rain

13.0°C · 73.5% humidity

13.0°

Feels 13.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

27 8pm

25 11pm

25 2am

25 5am

25 8am

25 11am

24 2pm

24 5pm

Air Quality Index Trend

34h · 3 stn

View full history →

Chillán Viejo's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.

73.5%

Humidity

64.5 km/h

Wind NE

1013.4 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.9 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Chillán Viejo?

Temperature & Precipitation

PM2.5 Trend

34h · 3 stations

PM2.55.9 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Chillán Viejo?

08-03

13.0° 4.5°

5.38 mm

08-04

11.5° 9.8°

21.12 mm

08-05

14.0° 4.3°

5.25 mm

08-06

17.3° 5.9°

2.25 mm

08-07

15.4° 6.3°

16.44 mm

08-08

12.4° 6.6°

08-09

16.0° 5.3°

0.75 mm

Both models agree Avg diff: 3.1°C

Where are air quality stations near Chillán Viejo?

Puren, Chile

3.6 km PM2.5: 10.1 µg/m³

158

Puren, Chile

3.6 km PM2.5: 69.1 µg/m³

119

Puren, Chile

3.6 km PM2.5: 42.8 µg/m³

119

Puren, Chile

3.6 km PM2.5: 42.8 µg/m³

Puren, Chile

3.6 km PM2.5: 17.8 µg/m³

INIA, Chillán, Chile

4.9 km PM2.5: 4.3 µg/m³

137

San Carlos, Chile

23.0 km PM2.5: 50.1 µg/m³

San Carlos, Chile

23.0 km PM2.5: 26.8 µg/m³

San Carlos, Chile

23.0 km PM2.5: 10.1 µg/m³

What cities are near Chillán Viejo?

25 Chillán 25 Coihueco 25 San Carlos 37 Quillón 37 Cabrero 38 Coelemu 38 Parral 26 Tomé 26 Cauquenes 26 Penco

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T03:28 UTC.