When the air won’t circulate, then “regardless of what they’re looking at, when certain levels reach a critical value, they issue air quality alerts." ...

Unhealthy PM2.5 levels in parts of California and Mississippi are prompting EPA warnings for residents to limit outdoor ...

Dhaka, Feb. 3 -- Dhaka, the densely populated capital of Bangladesh, ranked fist among the world's most polluted cities on Tuesday morning, recording an Air Quality Index (AQI) of 275 at 11:19 am.

PM2.5 levels in Bangkok exceed the orange level, affecting health. Areas like Bang Rak, Prawet, and Taling Chan show the highest pollution. Follow safety tips.

Air quality varies based on the type of pollutants in the cycle and can have dramatic ramifications for those breathing nearby.

Poor air quality in Delhi has impacted nearly all aspects of life with residents saying they have lost many of the "simple joys" such as opening a window or going for a walk outside.

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Jacksonville's air quality grade dropped from "A" to "B" due to increased ozone smog and particle pollution, according to the American Lung Association. The city's air quality was recently designated ...

NEW DELHI, Oct 21 (Reuters) - Air quality in India's capital New Delhi deteriorated to hazardous levels on Tuesday with readings the highest in the world, according to Swiss group IQAir, partly due to ...

The growing availability of low-cost air quality sensors is helping people across the world track air pollution. Headway The growing availability of low-cost air ...