| 3 | 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. |
| 3 | 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. |
| 5 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 4 | Good | NO2 | NO2 | None | None |
| 26 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 6 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 8 | Good | NO2 | NO2 | None | None |
| 19 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 7 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 17 | Good | NO2 | NO2 | None | None |
| 6 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 8 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 24 | Good | NO2 | NO2 | None | None |