Breathe easier with clear air quality pages
Explore real-world measurements from community and government sensors via OpenAQ. Navigate by continent, country, and city — fast static pages, clean UI, and Mr. Duck’s friendly score.
Today’s coverage
23,170
Cities tracked
146
Countries
5,921
Active stations
Browse by continent
How it works
We periodically fetch recent measurements from OpenAQ and render static HTML pages for fast, reliable browsing. City pages include a quick Mr. Duck score, latest parameters, AI explanations, and a table of contributing stations.