| index | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 36 (Moderate) | 68 (Unhealthy for Sensitive Groups) | 42 (Moderate) | 43 (Moderate) | 39 (Moderate) | 33 (Moderate) | 28 (Moderate) | 24 (Moderate) | 28 (Moderate) | 21 (Moderate) | 25 (Moderate) | 27 (Moderate) | 27 (Moderate) | 44 (Moderate) | 52 (Unhealthy for Sensitive Groups) | 56 (Unhealthy for Sensitive Groups) | 42 (Moderate) | 38 (Moderate) | 48 (Moderate) | 26 (Moderate) |
| o3 | 45 (Good) | 59 (Good) | 40 (Good) | 31 (Good) | 28 (Good) | 30 (Good) | 37 (Good) | 41 (Good) | 39 (Good) | 38 (Good) | 46 (Good) | 46 (Good) | 46 (Good) | 47 (Good) | 39 (Good) | 31 (Good) | 24 (Good) | 28 (Good) | 42 (Good) | 34 (Good) |
Americana
| index | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 36 | 68 | 42 | 43 | 39 | 33 | 28 | 24 | 28 | 21 | 25 | 27 | 27 | 44 | 52 | 56 | 42 | 38 | 48 | 26 |
| o3 | 45 | 59 | 40 | 31 | 28 | 30 | 37 | 41 | 39 | 38 | 46 | 46 | 46 | 47 | 39 | 31 | 24 | 28 | 42 | 34 |