Air Quality
California
Santa Monica
Due to its proximity to the coast, Santa Monica typically doesn’t experience poor air quality relative to the urban areas around it, such as the city of Los Angeles.
Los Angeles 32-64
Los Angeles air quality averages a US AQI or air quality index rating of “moderate.” Monthly averages in 2019 varied from AQI 32 (“good”) in February to AQI 64 (“moderate”) in November. Despite seemingly optimistic ratings, Los Angeles’s air pollution is among the worst in the United States, both for PM2.5 and ozone.
Crestline
Mexico
Near Mexico City
Mexico City - 74
At the beginning of 2021, Mexico City was experiencing a “Moderate” level of air quality with a US AQI reading of 74.
Puebla - 55
Towards the end of 2021, Puebla was experiencing a period of “Moderate” air quality with a US AQI reading of 55.
Cuernavaca - 55
Looking back at the figures for 2020, it can be seen that Cuernavaca experienced a period of “Moderate” air quality with a US AQI reading of 55.
Vietnam
- Vietnam
- [Da Nang, Vietnam](https://www.iqair.com/us/world-most-polluted-cities?continent=&country=&state=&sort=-rank&page=1&perPage=50&cities=qCzTHAGRkQBNPdLDf,
Thailand
Siberia
Children