Air Quality Outdoor Score - City Air Quality Checker
Environment Tools
Air Quality Outdoor Score
Search a city and get a simple outdoor activity score based on particulate matter, ozone, and nitrogen dioxide.
Outdoor score
out of 100
Enter a city to calculate today's outdoor score.
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How this air quality score works
Search for a city.
The tool finds the city coordinates and loads current air quality data.
It converts several pollution values into a simple 0-100 outdoor score.
Frequently Asked Questions
Is the score an official AQI?
No. It is a simple Tool Nova outdoor score based on public air quality values, not an official health index.
Can I use it before outdoor exercise?
Yes. It is useful as a quick check, but sensitive groups should follow official local air quality guidance.
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