Air Quality:
AQI - History
Air Quality Index Values for 2/3/2012 - 1/5/2012
| Date |
Eugene/Springfield |
Oakridge |
| 2/3/2012 |
44 (PM*) - Good |
103 (PM*) - Unhealthy for Sensitive Groups |
| 2/2/2012 |
40 (PM*) - Good |
55 (PM*) - Moderate |
| 2/1/2012 |
20 (PM*) - Good |
27 (PM*) - Good |
| 1/31/2012 |
17 (PM*) - Good |
32 (PM*) - Good |
| 1/30/2012 |
20 (PM*) - Good |
36 (PM*) - Good |
| 1/29/2012 |
18 (PM*) - Good |
81 (PM*) - Moderate |
| 1/28/2012 |
47 (PM*) - Good |
76 (PM*) - Moderate |
| 1/27/2012 |
43 (PM*) - Good |
46 (PM*) - Good |
| 1/26/2012 |
21 (PM*) - Good |
22 (PM*) - Good |
| 1/25/2012 |
22 (PM*) - Good |
72 (PM*) - Moderate |
| 1/24/2012 |
15 (PM*) - Good |
49 (PM*) - Good |
| 1/23/2012 |
23 (PM*) - Good |
25 (PM*) - Good |
| 1/22/2012 |
7 (PM*) - Good |
24 (PM*) - Good |
| 1/21/2012 |
8 (PM*) - Good |
21 (PM*) - Good |
| 1/20/2012 |
12 (PM*) - Good |
27 (PM*) - Good |
| 1/19/2012 |
6 (PM*) - Good |
17 (PM*) - Good |
| 1/18/2012 |
5 (PM*) - Good |
17 (PM*) - Good |
| 1/17/2012 |
6 (PM*) - Good |
42 (PM*) - Good |
| 1/16/2012 |
15 (PM*) - Good |
68 (PM*) - Moderate |
| 1/15/2012 |
28 (PM*) - Good |
40 (PM*) - Good |
| 1/14/2012 |
30 (PM*) - Good |
82 (PM*) - Moderate |
| 1/13/2012 |
77 (PM*) - Moderate |
112 (PM*) - Unhealthy for Sensitive Groups |
| 1/12/2012 |
58 (PM*) - Moderate |
- (-) - Good |
| 1/11/2012 |
47 (PM*) - Good |
- (-) - Good |
| 1/10/2012 |
31 (PM*) - Good |
26 (PM*) - Good |
| 1/9/2012 |
57 (PM*) - Moderate |
53 (PM*) - Moderate |
| 1/8/2012 |
48 (PM*) - Good |
44 (PM*) - Good |
| 1/7/2012 |
32 (PM*) - Good |
26 (PM*) - Good |
| 1/6/2012 |
21 (PM*) - Good |
16 (PM*) - Good |
| 1/5/2012 |
25 (PM*) - Good |
46 (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. |