Clear, 3:10 AM
Air quality is satisfactory and air pollution poses little or no risk.(Air quality powered by Breezometer)
No protection needed.
Powered by
Cologne is the largest city of the German state of North Rhine-Westphalia and the fourth-most populous city of Germany with nearly 1.1 million inhabitants in the city proper and over 3.1 million people in the Cologne Bonn urban region. Wikipedia