Last updated: 08/20/2008 available Monday - Friday, 8:00 am - 4:00 pm
The State Air Resources Board warning: With wildfires continuing to burn and high temperatures lingering, state public health officials are advising people to limit their physical activities until particulate matter levels start dropping.
Click here for hourly and average aqi readings: aqi.htm
|
Health Categories (AQI Index Reading) |
Particle Matter (PM10) |
Visibility Range in Miles |
|
HAZARDOUS (300 - 500) |
People with heart or lung disease, older adults and children should remain indoors and keep activity level low. Everyone else should avoid all physical activity outdoors. |
< .75 miles |
|
VERY UNHEALTHY (201 - 300) |
People with heart or lung disease, older adults and children should avoid all physical activity outdoors. Everyone else should avoid prolonged or heavy exertion. |
1 - 1.25 miles |
|
UNHEALTHY (151 - 200) |
People with heart or lung disease, older adults and children should avoid prolonged or heavy exertion. Everyone else should reduce prolonged or heavy exertion. |
1.5 - 2.5 miles |
|
UNHEALTHY FOR SENSITIVE GROUPS (101 - 150) |
People with heart or lung disease, older adults and children should reduce prolonged or heavy exertion. |
3 - 5 miles |
|
MODERATE (51 - 100) |
Unusually sensitive people should consider reducing prolonged or heavy exertion. |
5 - 10 miles |
|
GOOD (0 - 50) |
None |
10+ mile |