All the data are of Air Pollution Reducing Department, Ulaanbaatar Municipality unless data source is mentioned.

This contents is to be enhanced.


Air Quality Index

Аir Quality IndexAir Quality Index Value
0 ~ 50 Clean
51 ~ 100 Normal
101 ~ 250 Slightly Polluted
251 ~ 400 Polluted
401 ~ 500 Heavily Polluted
501 ~ Seriously Polluted

See this link for details.

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