Air Quality in Chillán Viejo, Chile
Partly Cloudy
10.5°C · 53.0% humidity
10.5°
Feels 10.5°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Chillán Viejo's air quality — share it
AQI Forecast
54
4pm
54
66
60
7pm
79
80
82
10pm
81
82
82
1am
82
83
83
4am
83
83
83
7am
83
66
54
10am
54
54
54
1pm
54
54
Air Quality Index Trend
31h · 1 stnChillán Viejo'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 Chillán Viejo is 1.1× the WHO 24-hour guideline of 15 µg/m³.
53.0%
Humidity
29.2 km/h
Wind SSW
1019.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.35 µg/m³
PM10
41.2 µg/m³
050100150200300500
What is the weather forecast for Chillán Viejo?
Temperature & Precipitation
PM2.5 Trend
31h · 1 stationPM2.516.35 µg/m³
×1.1 WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Chillán Viejo?
06-08
14.8° 5.3°
0.31 mm
06-09
15.4° 6.3°
06-10
14.7° 6.0°
0.56 mm
06-11
15.0° 4.9°
3.94 mm
06-12
10.9° 4.8°
0.62 mm
06-13
8.6° 1.6°
2.25 mm
06-14
10.8° 2.3°
Both models agree
Avg diff: 3.2°C
Where are air quality stations near Chillán Viejo?
112
Puren, Chile
25
Puren, Chile
9
INIA, Chillán, Chile
30
INIA, Chillán, Chile
26
San Carlos, Chile
16
San Carlos, Chile
46
San Carlos, Chile
What cities are near Chillán Viejo?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T23:26 UTC.