| 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 | 17 (Good) | 17 (Good) | 12 (Good) | 15 (Good) | 27 (Good) | 14 (Good) | 13 (Good) | 18 (Good) | 9.3 (Good) | 6 (Good) | 8.7 (Good) | 21 (Good) | 17 (Good) | 23 (Good) | 15 (Good) | 21 (Good) | 20 (Good) | 12 (Good) | 17 (Good) | 15 (Good) | 15 (Good) | 21 (Good) | 24 (Good) | 14 (Good) | 30 (Good) | 22 (Good) | 26 (Good) | 11 (Good) | 16 (Good) |
| so2 | 3.8 (Good) | 3.8 (Good) | 6.1 (Good) | 6.6 (Good) | 3.9 (Good) | 2.8 (Good) | 1.1 (Good) | 1.6 (Good) | 1.4 (Good) | 1.9 (Good) | 1.7 (Good) | 10 (Good) | 2.1 (Good) | 3.1 (Good) | 2.3 (Good) | 3 (Good) | 1.5 (Good) | 2.3 (Good) | 1.5 (Good) | 1.9 (Good) | 1.5 (Good) | 2 (Good) | 2.4 (Good) | 5.1 (Good) | 6.5 (Good) | 11 (Good) | 29 (Good) | 8.2 (Good) | 2.1 (Good) |
Green and Parks in the City
Hentiy Aymag 50%
China: 60% Russia: 62% South Korea: 61% Bhutan: 82%particulate matter PM2.5
Hentiy Aymag 80 (Very Unhealthy)
Pleasure of spending time in the city
Hentiy Aymag 63%
China: 30% Russia: 54% North Korea: 44% South Korea: 43% Bhutan: 61%particulate matter PM10
Hentiy Aymag 170 (Very bad Hazardous)
Air Pollution
Hentiy Aymag 65%
China: 80% Russia: 57% North Korea: 44% South Korea: 69% Bhutan: 45%Garbage Disposal
Hentiy Aymag 67%
China: 51% Russia: 49% North Korea: 47% South Korea: 62% Bhutan: 47%Availability and quality of drinking water
Hentiy Aymag 75%
China: 45% Russia: 58% North Korea: 47% South Korea: 72% Bhutan: 64%Cleanliness and tidiness
Hentiy Aymag 58%
China: 52% Russia: 53% North Korea: 58% South Korea: 63% Bhutan: 57%Noise and Light pollution
Hentiy Aymag 33%
China: 56% Russia: 48% North Korea: 33% Bhutan: 55%Water Pollution
Hentiy Aymag 38%
China: 64% Russia: 51% North Korea: 56% South Korea: 38% Bhutan: 56%Өндөрхаан
| 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 | 17 | 17 | 12 | 15 | 27 | 14 | 13 | 18 | 9.3 | 6 | 8.7 | 21 | 17 | 23 | 15 | 21 | 20 | 12 | 17 | 15 | 15 | 21 | 24 | 14 | 30 | 22 | 26 | 11 | 16 |
| so2 | 3.8 | 3.8 | 6.1 | 6.6 | 3.9 | 2.8 | 1.1 | 1.6 | 1.4 | 1.9 | 1.7 | 10 | 2.1 | 3.1 | 2.3 | 3 | 1.5 | 2.3 | 1.5 | 1.9 | 1.5 | 2 | 2.4 | 5.1 | 6.5 | 11 | 29 | 8.2 | 2.1 |