As these heartbreaking images reveal, plastic pollution can have a deadly impact on every inhabitant of our oceans. From the hermit crabs forced to live in toothpaste lids to the sperm whales ...
The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.
This comes days after some cities in Pakistan logged record-breaking pollution levels with the Air Quality Index (AQI) ...