Lahore: With Air Quality Index (AQI) touching the mark 708, Lahore yet again, topped the world map in the list of most polluted cities of the world, reported Dawn.With PM2.5 concentrations spiking ...

Smoke from a NJ wildfire is pushing NYC air quality into the danger zone. Officials urge sensitive groups to limit outdoor ...

The red-level air quality index (AQI) category—covering values from 151 to 200—means the air is unhealthy for everyone, not just vulnerable populations. According to the EPA, "some members of the ...

Dhaka, the overcrowded capital city of Bangladesh, recorded the world’s worst air quality with an AQI score of 183 at 9:25am on Thursday. The air was classified as “unhealthy,” posing severe health ...