Impact of air pollution on the global atmospheric environment

The deveolpment of air pollution has already exceeded the national boundaries, and its dangers are all over the world.
The impact of the global atmosphere is clearly manifested in three aspects: one is the destruction of the ozone layer,
the two is acid rain corrosion, and the three is the global warming.
The particle counter which can check the fine particulate matters in the air.
We also the gas detector to check other gas in the air like Ozone, VOC. Carbon monoxide and so on.