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Air Quality Index
Issued January 15, 2009 @ 03:30 PM Central
Sector |
AQI Yesterday |
AQI Today |
Critical Pollutant |
Forecast Tomorrow |
LAKE COUNTY |
35
|
41
|
PARTICULATES |
GOOD
|
CHICAGO |
36
|
46
|
PARTICULATES |
GOOD
|
SOUTH & WEST SUBURBS |
37
|
46
|
PARTICULATES |
GOOD
|
NORTH & WEST SUBURBS |
36
|
41
|
PARTICULATES |
GOOD
|
AURORA-ELGIN |
35
|
41
|
PARTICULATES |
GOOD
|
WILL COUNTY |
37
|
46
|
PARTICULATES |
GOOD
|
ROCKFORD |
35
|
41
|
PARTICULATES |
GOOD
|
QUAD CITIES |
25
|
40
|
PARTICULATES |
GOOD
|
PEORIA |
24
|
22
|
OZONE |
GOOD
|
CHAMPAIGN/URBANA |
21
|
23
|
PARTICULATES |
GOOD
|
BLOOMINGTON/NORMAL |
26
|
25
|
OZONE |
GOOD
|
DECATUR |
20
|
23
|
OZONE |
GOOD
|
SPRINGFIELD |
25
|
25
|
OZONE |
GOOD
|
METRO EAST |
25
|
23
|
OZONE |
GOOD
|
Descriptor Category Color Codes |
Good 0-50 |
Unhealthy 151-200 |
Moderate 51-100 |
Very Unhealthy 201-300 |
Unhealthy for Sensitive
Groups 101-150 |
Hazardous 301-500 |
AQI Ranges and Descriptor Categories |
Health Effects |
Cautionary Statements |
0 - 50 Good |
|
|
51 - 100 Moderate |
|
|
101 - 150 Unhealthy for
Sensitive Groups |
Increased liklihood of respiratory symptoms and breathing
discomfort in sensitive groups. |
Active children and adults, and people with respiratory disease,
such as asthma, should limit prolonged outdoor activity. |
151 - 200 Unhealthy |
Greater liklihood of respiratory symptoms and breathing difficulty
in sensitive groups. |
Active children and adults, and people with respiratory disease,
such as asthma, should avoid heavy outdoor exertion; everyone else,
especially children, should limit heavy outdoor exertion. |
201 - 300 Very Unhealthy |
Increasingly severe symptoms and impaired breathing likely in
sensitive groups. |
Active children and adults, and people with respiratory disease,
such as asthma, should avoid all outdoor exertion; everyone else,
especially children, should limit outdoor exertion. |
301 - 500 Hazardous |
Severe respiratory effects and impaired breathing likely in
sensitive groups. |
Everyone should avoid all outdoor exertion. |
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