Maps & Radar
Photos & Video
- Photographer Captures Amazing New York City Aerials in 'Once in a Lifetime Flight'
- Prison Bus Crash Kills At Least 10 in Icy West Texas
- Snow, Rain, Ice Cover U.K. in Wintry Mess (PHOTOS)
- Mississippi Natural Gas Pipeline Explosion Picked Up By Radar
- Chilling 911 Calls from Inside Michigan Pileup
- All News
- Las Vegas and Paris Now Have More in Common Than Just Tourists and an Eiffel Tower
- 7 Ways the U.S. Can Adapt to Climate Change
- Lightning Will Increase With Global Warming, Study Says
- California Offers a Comprehensive Response to Climate Change, State Government Says
- U.S., China Reach Landmark Climate Deal
- All News
Maps and Radar
Updated: 1:00 AM GMT on January 30, 2015
About this map
This colored contour map shows the current air quality index (AQI) with respect to ozone pollution, according to the Environmental Protection Agency (EPA). The key below the index corresponds to the AQI for each color.
|Get Free Weather Stickers®|
|Upload Your Photos|
|Weather™ API for Developers NEW!|
|Become a Site Member|
|Find us on Facebook|
|Follow us on Twitter|
Custom Weather Services
In addition to this website, we provide a number of free and professional weather services.
Advertise On This Site
Weather Underground has extensive targeting capabilities to fulfill all of your client's advertising needs.