| 4 | Good | NO2 | NO2 | None | None |
| 21 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 4 | Good | NO2 | NO2 | None | None |
| 22 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 5 | Good | NO2 | NO2 | None | None |
| 23 | Good | Ozone | Ozone | None | Children and people with asthma are the groups 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. |
| 3 | Good | NO2 | NO2 | None | None |
| 28 | Good | Ozone | Ozone | None | Children and people with asthma are the groups most at risk. |
| 3 | Good | NO2 | NO2 | None | None |