airq Visualization of air quality data acquired through OpenAQ. I have used data from the whole month of July 2023 at Warszawa, Wokalna. Measurements of $NO_2$, $O_3$ and $PM2.5$ are included. Plots: Hourly mean Mean values for each hour of the day (e.g. 5 am on July 1, July 2 ... July 31) Daily mean Daily mean for $NO_2$ and $O_3$ with standard deviation Minimum and maximum for each day