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Air quality in Northern State

Air quality index (AQI⁺) and PM2.5 air pollution in Northern State • 15:22, Apr 17

Polluted skies over Cairo
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April 17, 2026: Cairo among top 10 most polluted cities in the world

Forest wrapped in a haze of smoke
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April 16, 2026: Chiang Mai among top 10 most polluted cities in the world

Which is the most polluted city in Northern State?