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Air quality in O'Higgins

Air quality index (AQI⁺) and PM2.5 air pollution in O'Higgins • 13:49, Aug 28

Ministerio del Medio Ambiente de Chile
Ministerio del Medio Ambiente de Chile

Live most polluted city ranking

Real-time O'Higgins most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Chile

Rengo

53

2
The national flag of Chile

San Fernando

50

3
The national flag of Chile

Rancagua

44

Live cleanest city ranking

Real-time O'Higgins cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Chile

Rancagua

44

2
The national flag of Chile

San Fernando

50

3
The national flag of Chile

Rengo

53

Wildfires in O'Higgins

Real-time information

Active fires

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Transboundary Air Quality Alert: Southeast Asia

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August 28, 2026: Delhi among top 10 most polluted cities in the world

Wildfire at night.
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Wildfire Map Spotlight: Bug and Stallion Fires, Nevada

Which is the most polluted city in O'Higgins?