These were the 10 most polluted communes in Chile during 2023

What happened?

When it comes to pollution, there are several communes in Chile that have poor air quality, having parameters above what can be considered healthy.

By way of context, ideally the air should have a maximum PM2.5, which means that small particles in the air have a diameter of 2.5 micrograms per cubic meter (?g/m3).

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In any case, according to the Swiss website IQAir when small particles in the air have a diameter of up to 5 in diameter, it meets the guidelines of the World Health Organization (WHO).

What are the most contaminated communes in Chile?

According to the same Swiss organization, whose ranking is updated until 2023, the most polluted city in Chile is Coyhaique with small particles in the air with a diameter of 33.2 PM2.5 (?g/m³)

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Below is the list of the most contaminated communes in Chile:

1. Coyhaique 33.2 PM2.5 (?g/m³)
2. Birth 32.4 PM2.5 (?g/m³)
3. Father las Casas 29.4 PM2.5 (?g/m³)
4. Victory 27.4 PM2.5 (?g/m³)
5. Angol 25.7 PM2.5 (?g/m³)
6. Pudahuel 25.7 PM2.5 (?g/m³)
7. Llaillay 25 PM2.5 (?g/m³)
8. Rancagua 24.2 PM2.5 (?g/m³)
9. Quilicura 24 PM2.5 (?g/m³)
10. San Fernando 23.2 PM2.5 (?g/m³)

To know the complete ranking of the Swiss organization regarding the air quality of the Chilean communes, you can enter the following link.