Unhealthy (Red): 151-200 AQI is considered unsafe, and anyone could experience negative health effects from air pollution. Very Unhealthy (Purple): 201-300 AQI is a serious health risk level for ...

If the air quality falls in the unhealthy or red range (151-200), the AQI recommends that people with compromised health avoid prolonged outdoor work or activities. Everyone else who is not health ...

Delhi shivers under cold waves and poor air quality, with AQI levels reaching unhealthy and fog enveloping the city.

Bangladesh's densely populated capital Dhaka ranked as the city with the third-worst air quality globally, with an Air ...