| station | last seen | PM 2.5 |
|---|---|---|
| 2001 | 6 m | 3.2 |
| 2004 | 1 w | 11.5 |
| 2005 | 2 m | 2.7 |
| 2013 | 9 m | 5.7 |
| 2017 | 3 w | 34.2 |
| 2020 | 4 m | 3.9 |
| 2030 | 3 m | 3.9 |
| 2034 | 8 m | 2.9 |
| 2038 | 3 m | 2.8 |
| 2051 | 1 m | 0.0 |
| 2061 | 10 m | 1.8 |
| 2094 | 10 h | 3.1 |
| 2149 | 7 m | 5.3 |
| 2150 | 8 m | 25.2 |
| 2152 | 13 m | 4.2 |
| 2184 | 1 w | 13.3 |
| 2188 | 3 m | 3.8 |
| 2190 | 3 m | 1.4 |
| 3040 | 4 m | 2.3 |
| 3042 | 9 m | 4.2 |
| 3043 | 11 m | 3.8 |
| 3044 | 1 m | 157.3 |
| 3045 | 7 m | 4.3 |
| 3046 | 6 m | 2.8 |
| 3049 | 6 m | 3.9 |
| 3050 | 9 m | 3.2 |
| 3052 | 0 m | 3.2 |
| 3057 | 12 m | 2.9 |
| 3059 | 10 m | 5.9 |
| 3061 | 5 m | 5.8 |