| 0 | Good | SO2 | SO2 | | |
| 2 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 3 | Good | NO2 | NO2 | None | None |
| 31 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 36 | Good | PM2.5 | PM2.5 | None | People with respiratory or heart disease, the elderly and children are the groups most at risk. |
| 0 | Good | SO2 | SO2 | | |
| 2 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 8 | Good | NO2 | NO2 | None | None |
| 25 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 39 | Good | PM2.5 | PM2.5 | None | People with respiratory or heart disease, the elderly and children are the groups most at risk. |
| 0 | Good | SO2 | SO2 | | |
| 2 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 18 | Good | NO2 | NO2 | None | None |
| 10 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 46 | Good | PM2.5 | PM2.5 | None | People with respiratory or heart disease, the elderly and children are the groups most at risk. |
| 0 | Good | SO2 | SO2 | | |
| 2 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 17 | Good | NO2 | NO2 | None | None |
| 5 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 43 | Good | PM2.5 | PM2.5 | None | People with respiratory or heart disease, the elderly and children are the groups most at risk. |
| 0 | Good | SO2 | SO2 | | |
| 2 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 19 | Good | NO2 | NO2 | None | None |
| 2 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 41 | Good | PM2.5 | PM2.5 | None | People with respiratory or heart disease, the elderly and children are the groups most at risk. |
| 0 | Good | SO2 | SO2 | | |
| 2 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 19 | Good | NO2 | NO2 | None | None |
| 12 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |