Noida air pollution: Air quality inching towards 'SEVERE', AQI is near 400

The overall Air Quality Index (AQI) of Noida touched 392 on Saturday, inching closer to the stage 3 for 'severe' air quality (AQI 401-450) and stage 4 for 'severe plus' (AQI >450).

from Zee News :State https://ift.tt/O82gm9l