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Sao Paulo

What is the air quality like at post (good/moderate/bad)? Are there seasonal air quality issues? Does the air quality have an impact on health?

In comparison to other large cities it is pretty good, but our 8-year-old daughter did have issues with the pollution and had to go on medication during our entire two years in Sao Paulo. Once we left she was able to discontinue the medication, which confirmed that pollution was the issue. - Nov 1, 2017
Surprisingly good. The AQI in Sao Paulo is usually between 20 and 50, putting it on par with a lot of US cities. It's humid here so your allergies could act up. - Apr 17, 2017
Generally OK for a big city. - Apr 11, 2017
I think it's OK but the bus and car exhaust is apparent in the city. - Jan 15, 2017
Moderate within Sao Paolo. Reinvigorating outside of the city. - Jan 6, 2017
Air quality is moderately unhealthy, but nowhere near the severity of China and India. Most U.S. cities have a particulate matter (PM10) level under 20, according to the WHO. Sao Paulo averaged 35 in 2012. For comparison, Beijing was 121, and Delhi was 286. So, Sao Paulo is noticeably worse than U.S. air quality, but not too bad. - Aug 5, 2015
Horrible. The pollution here is a sinus nightmare - Aug 2, 2013
The air quality is moderate to unhealthy. Traffic is very dense, but most cars run on ethanol, which helps reduce the pollution. People with asthma and other breathing conditions may have issues, especially during the summer months. However, I have asthma and have not experienced an episode worse than when I was living in Washington, DC or Chicago, IL. Also, the medical system here is top notch, and this is home to the best hospital in South America. - Dec 13, 2012
Air quality is unhealthy especially in the dry/winter season when you cannot escape the pollution. The rain in the rainy/summer season “cleans”the air so pollution is less obvious then. - Jan 25, 2012
unhealthy but during dry season mostly - Jan 17, 2012
Horrible! You'll gasp when driving in traffic. - Jan 3, 2012