| index | 2020-05 | 2020-04 | 2020-03 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 47 (Moderate) | 48 (Moderate) | 47 (Moderate) | 44 (Moderate) | 25 (Good) | 13 (Good) | 12 (Good) | 6.4 (Good) | 8.1 (Good) | 8.8 (Good) | 16 (Good) | 16 (Good) | 38 (Good) | 146 (Unhealthy for Sensitive Groups) | 104 (Unhealthy for Sensitive Groups) | 53 (Moderate) | 38 (Good) | 17 (Good) | 12 (Good) | 9.9 (Good) | 11 (Good) | 17 (Good) | 31 (Good) | 32 (Good) | 70 (Moderate) | 45 (Moderate) | 32 (Good) | 22 (Good) | 26 (Good) |
| so2 | 9.9 (Good) | 9.9 (Good) | 10 (Good) | 8.5 (Good) | 3.4 (Good) | 2.1 (Good) | 2.2 (Good) | 1.1 (Good) | 1.3 (Good) | 1.5 (Good) | 2.5 (Good) | 3.1 (Good) | 8.5 (Good) | 36 (Good) | 27 (Good) | 10 (Good) | 4.1 (Good) | 3 (Good) | 1.8 (Good) | 1.5 (Good) | 1.6 (Good) | 2.4 (Good) | 5.5 (Good) | 7.2 (Good) | 21 (Good) | 20 (Good) | 19 (Good) | 8 (Good) | 4.2 (Good) |
Zaļa un parku pilsētas
Bulgan District 24%
Ķīna: 60% Krievija: 62% Dienvidkoreja: 61% Butāna: 82%cietās daļiņas PM 2.5
Bulgan District 88 (Very Unhealthy)
Prieks pavadīt laiku pilsētā
Bulgan District 15%
Ķīna: 30% Krievija: 54% Ziemeļkoreja: 44% Dienvidkoreja: 43% Butāna: 61%PM10 makrodaļiņu daļiņas
Bulgan District 190 (Very bad Hazardous)
Gaisa piesārņojums
Bulgan District 93%
Ķīna: 80% Krievija: 57% Ziemeļkoreja: 44% Dienvidkoreja: 69% Butāna: 45%Atkritumu likvidēšana
Bulgan District 20%
Ķīna: 51% Krievija: 49% Ziemeļkoreja: 47% Dienvidkoreja: 62% Butāna: 47%Dzeramā ūdens pieejamība un kvalitāte
Bulgan District 42%
Ķīna: 45% Krievija: 58% Ziemeļkoreja: 47% Dienvidkoreja: 72% Butāna: 64%Tīrība un sakopta
Bulgan District 24%
Ķīna: 52% Krievija: 53% Ziemeļkoreja: 58% Dienvidkoreja: 63% Butāna: 57%Trokšņa un gaismas piesārņojums
Bulgan District 52%
Ķīna: 56% Krievija: 48% Ziemeļkoreja: 33% Butāna: 55%Ūdens piesārņojums
Bulgan District 73%
Ķīna: 64% Krievija: 51% Ziemeļkoreja: 56% Dienvidkoreja: 38% Butāna: 56%Булган
| index | 2020-05 | 2020-04 | 2020-03 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 47 | 48 | 47 | 44 | 25 | 13 | 12 | 6.4 | 8.1 | 8.8 | 16 | 16 | 38 | 146 | 104 | 53 | 38 | 17 | 12 | 9.9 | 11 | 17 | 31 | 32 | 70 | 45 | 32 | 22 | 26 |
| so2 | 9.9 | 9.9 | 10 | 8.5 | 3.4 | 2.1 | 2.2 | 1.1 | 1.3 | 1.5 | 2.5 | 3.1 | 8.5 | 36 | 27 | 10 | 4.1 | 3 | 1.8 | 1.5 | 1.6 | 2.4 | 5.5 | 7.2 | 21 | 20 | 19 | 8 | 4.2 |