| 6 | Good | CO | CO | None | People with heart disease are the group most at risk. |
| 3 | Good | NO2 | NO2 | None | None |
| 34 | 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. |
| 3 | Good | NO2 | NO2 | None | None |
| 33 | 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. |
| 2 | Good | NO2 | NO2 | None | None |
| 31 | 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. |
| 2 | Good | NO2 | NO2 | None | None |
| 27 | 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. |
| 3 | Good | NO2 | NO2 | None | None |
| 25 | 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. |
| 3 | Good | NO2 | NO2 | None | None |