Air Quality:
AQI - History
Air Quality Index Values for 6/18/2013 - 5/20/2013
| Date |
Eugene/Springfield |
Oakridge |
| 6/18/2013 |
22 (O3) - Good |
7 (PM*) - Good |
| 6/17/2013 |
22 (O3) - Good |
9 (PM*) - Good |
| 6/16/2013 |
21 (O3) - Good |
13 (PM*) - Good |
| 6/15/2013 |
30 (O3) - Good |
15 (PM*) - Good |
| 6/14/2013 |
28 (O3) - Good |
11 (PM*) - Good |
| 6/13/2013 |
18 (O3) - Good |
10 (PM*) - Good |
| 6/12/2013 |
22 (O3) - Good |
11 (PM*) - Good |
| 6/11/2013 |
24 (O3) - Good |
10 (PM*) - Good |
| 6/10/2013 |
31 (O3) - Good |
12 (PM*) - Good |
| 6/9/2013 |
36 (O3) - Good |
14 (PM*) - Good |
| 6/8/2013 |
40 (O3) - Good |
14 (PM*) - Good |
| 6/7/2013 |
36 (O3) - Good |
16 (PM*) - Good |
| 6/6/2013 |
35 (O3) - Good |
19 (PM*) - Good |
| 6/5/2013 |
42 (O3) - Good |
20 (PM*) - Good |
| 6/4/2013 |
40 (O3) - Good |
17 (PM*) - Good |
| 6/3/2013 |
32 (O3) - Good |
17 (PM*) - Good |
| 6/2/2013 |
32 (O3) - Good |
12 (PM*) - Good |
| 6/1/2013 |
34 (O3) - Good |
15 (PM*) - Good |
| 5/31/2013 |
36 (O3) - Good |
15 (PM*) - Good |
| 5/30/2013 |
25 (O3) - Good |
10 (PM*) - Good |
| 5/29/2013 |
28 (O3) - Good |
8 (PM*) - Good |
| 5/28/2013 |
25 (O3) - Good |
9 (PM*) - Good |
| 5/27/2013 |
20 (O3) - Good |
11 (PM*) - Good |
| 5/26/2013 |
25 (O3) - Good |
10 (PM*) - Good |
| 5/25/2013 |
30 (O3) - Good |
10 (PM*) - Good |
| 5/24/2013 |
32 (O3) - Good |
9 (PM*) - Good |
| 5/23/2013 |
26 (O3) - Good |
12 (PM*) - Good |
| 5/22/2013 |
24 (O3) - Good |
11 (PM*) - Good |
| 5/21/2013 |
26 (O3) - Good |
10 (PM*) - Good |
| 5/20/2013 |
34 (O3) - Good |
15 (PM*) - Good |
*From Estimated Particulate Matter Concentration
AQI Value and Air Quality Descriptors
| AQI Level |
Numerical Value |
Meaning |
| Good |
0-50 |
Air quality is considered satisfactory, and air pollution poses little or no risk. |
| Moderate |
51-100 |
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. |
| Unhealthy for Sensitive Groups |
101-150 |
Members of sensitive groups may experience health effects. The general public is not likely to be affected. |
| Unhealthy |
151-200 |
Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects. |
| Very Unhealthy |
201-300 |
Health alert: everyone may experience more serious health effects. |
| Hazardous |
301-500 |
Health warnings of emergency conditions. The entire population is more likely to be affected. |