Air pollution refers to the State of the immune system are confused in quantities that make the quality of the natural climate change and degraded down to affect humans, animals and plants.
Air pollution refers to the state of impurities mixed in the air with a volume of air quality degradation and natural changes have made an impact on humans, animals and plants.
Air pollution means state of air with foreign matter mixed in the quality of the natural air change and degraded that affect humans, animals and plants .