| 5 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 8 | Good | NO2 | NO2 | None | None |
| 42 | 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. |
| 10 | Good | NO2 | NO2 | None | None |
| 37 | 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 |
| 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. |
| 7 | Good | NO2 | NO2 | None | None |
| 32 | 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. |
| 12 | Good | NO2 | NO2 | None | None |
| 31 | 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. |
| 15 | Good | NO2 | NO2 | None | None |