| 5 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 3 | Good | NO2 | NO2 | None | None |
| 18 | Good | PM2.5 | PM2.5 | None | People with respiratory or heart disease, the elderly and children are the groups most at risk. |
| 5 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 8 | Good | NO2 | NO2 | None | None |
| 22 | Good | PM2.5 | PM2.5 | None | People with respiratory or heart disease, the elderly and children are the groups most at risk. |
| 6 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 25 | Good | NO2 | NO2 | None | None |
| 27 | Good | PM2.5 | PM2.5 | None | People with respiratory or heart disease, the elderly and children are the groups most at risk. |
| 6 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 25 | Good | NO2 | NO2 | None | None |
| 29 | Good | PM2.5 | PM2.5 | None | People with respiratory or heart disease, the elderly and children are the groups most at risk. |
| 5 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 27 | Good | NO2 | NO2 | None | None |
| 34 | Good | PM2.5 | PM2.5 | None | People with respiratory or heart disease, the elderly and children are the groups most at risk. |
| 5 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 23 | Good | NO2 | NO2 | None | None |