WorldArrow icon
Arrow iconO'Higgins

Air quality in O'Higgins

Air quality index (AQI⁺) and PM2.5 air pollution in O'Higgins • 10:07, Sep 17

Ministerio del Medio Ambiente de ChileAires Nuevos
Ministerio del Medio Ambiente de ChileAires Nuevos

Live most polluted city ranking

Real-time O'Higgins most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Chile

Rengo

92

2
The national flag of Chile

Rancagua

89

3
The national flag of Chile

San Fernando

69

4
The national flag of Chile

Placilla

54

Live cleanest city ranking

Real-time O'Higgins cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Chile

Placilla

54

2
The national flag of Chile

San Fernando

69

3
The national flag of Chile

Rancagua

89

4
The national flag of Chile

Rengo

92

Wildfires in O'Higgins

Real-time information

Active fires

--

external link icon

September 17, 2026: Beijing among top 10 most polluted cities in the world

external link icon

Wildfire Map Spotlight: Timber and Plaskett Fires, California

external link icon

Can air quality influence patient safety?

Which is the most polluted city in O'Higgins?