| station | last seen | PM 2.5 |
|---|---|---|
| 2001 | 6 m | 6.0 |
| 2004 | 3 w | 11.5 |
| 2005 | 1 m | 8.2 |
| 2013 | 8 m | 4.7 |
| 2017 | 1 m | 34.2 |
| 2020 | 3 m | 8.0 |
| 2030 | 2 d | 0.8 |
| 2034 | 23 m | 5.2 |
| 2038 | 3 m | 5.2 |
| 2051 | 1 m | 0.0 |
| 2061 | 39 m | 12.8 |
| 2094 | 3 d | 22.5 |
| 2149 | 2 m | 5.6 |
| 2150 | 13 m | 17.0 |
| 2152 | 3 m | 4.9 |
| 2184 | 3 w | 13.3 |
| 2188 | 4 m | 6.3 |
| 2190 | 3 m | 1.4 |
| 3040 | 4 m | 6.4 |
| 3042 | 5 m | 6.3 |
| 3043 | 11 m | 6.1 |
| 3044 | 2 m | 157.3 |
| 3045 | 1 h | 2.4 |
| 3046 | 6 m | 6.9 |
| 3049 | 6 m | 7.6 |
| 3050 | 9 m | 6.0 |
| 3052 | 14 m | 4.6 |
| 3057 | 12 m | 7.9 |
| 3059 | 10 m | 7.2 |
| 3061 | 5 m | 7.0 |