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Rank | City | AQI | Primary Pollution | PM2.5 | PM10 | CO | O₃ | SO₂ | NO₂ |
---|---|---|---|---|---|---|---|---|---|
1 | Shaoguan |
7
|
- | 3 | 4 | 0.6 | 21 | 4 | 12 |
2 | Hechi |
9
|
- | 2 | 4 | 0.6 | 26 | 8 | 14 |
3 | Hezhou |
9
|
- | 6 | 7 | 0.6 | 26 | 6 | 10 |
4 | Shangrao |
10
|
- | 6 | 10 | 0.6 | 24 | 18 | 15 |
5 | Qingyuan |
10
|
- | 5 | 8 | 0.8 | 17 | 8 | 20 |
6 | Hengyang |
10
|
- | 6 | 9 | 0.8 | 32 | 6 | 12 |
7 | Ganzhou |
11
|
- | 4 | 11 | 1.0 | 24 | 2 | 14 |
8 | Guilin |
11
|
- | 3 | 7 | 0.8 | 34 | 5 | 14 |
9 | Chenzhou |
12
|
- | 8 | 10 | 0.6 | 23 | 4 | 18 |
10 | Lishui |
12
|
- | 2 | 6 | 0.5 | 36 | 5 | 15 |
排名 | 城市 | AQI | 主要污染物 | PM2.5 | PM10 | CO | O₃ | SO₂ | NO₂ |
---|---|---|---|---|---|---|---|---|---|
1 | Bayinguoleng |
500
|
PM10 | 62 | 1298 | 0.3 | 74 | 3 | 9 |
2 | Tulufan |
500
|
PM10 | 269 | 1690 | 0.9 | 55 | 5 | 20 |
3 | Kezhou |
500
|
PM10 | 60 | 1182 | 0.4 | 166 | 5 | 94 |
4 | Hami |
500
|
PM10 | 149 | 1502 | 0.2 | 66 | 6 | 10 |
5 | Wuhai |
495
|
PM10 | 56 | 595 | 0.8 | 70 | 16 | 16 |
6 | Hetian |
368
|
PM10 | 92 | 474 | 1.1 | 51 | 20 | 33 |
7 | Linfen |
207
|
PM2.5 | 157 | 154 | 2.2 | 35 | 14 | 35 |
8 | Huludao |
201
|
PM2.5 | 151 | 223 | 1.4 | 81 | 212 | 61 |
9 | Weifang |
195
|
PM2.5 | 146 | 185 | 1.2 | 53 | 7 | 36 |
10 | Changzhi |
193
|
PM2.5 | 145 | 150 | 2.2 | 47 | 22 | 40 |
An air quality index (AQI) is used by government agencies[1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become.[2][3] Public health risks increase as the AQI rises. Different countries have their own air quality indices, corresponding to different national air quality standards.
AQI | Air Pollution Category | Health Implications |
---|---|---|
0-50 | Excellent | No health implications. |
51-100 | Good | Some pollutants may slightly affect very few hypersensitive individuals. |
101-150 | Lightly Polluted | Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent. |
151-200 | Moderately Polluted | Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected. |
201-300 | Heavily Polluted | Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities. |
300+ | Severely Polluted | Healthy people will experience reduced endurance in activities and may also show noticeably strong symptoms. Other illnesses may be triggered in healthy people. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid outdoor activities. |