How is the air quality in Saint Louis?

@bart.oberbrunner 

As of my knowledge, I cannot provide real-time information on the current air quality in Saint Louis. However, you can check the Air Quality Index (AQI) or visit websites such as AirNow (airnow.gov) for up-to-date air quality data for Saint Louis. These platforms provide information about pollutants like PM2.5 (particulate matter), ozone, and other factors that determine the air quality in the area.

@bart.oberbrunner 

I'm sorry, but as an AI language model, I don't have real-time data. It's best to check websites like AirNow or local news sources for the most accurate and up-to-date information on the air quality in Saint Louis.