News

EPA announced it is delaying the release of the final ozone NAAQS until approximately October 31, 2010.  A status report filed by EPA with the court announcing this new date is available here:...

Denver, Colo. – The Regional Air Quality Council (RAQC), the lead air quality planning agency for the Denver metropolitan area and a leader in advancing clean diesel technologies, received a $2.7 million Diesel Emissions Reduction Act (DERA) grant from the...

Littleton, Colo., August10,2010 - Mayor Doug Clark will accept the keys and a $40,000 check from representatives of the Regional Air Quality Council (RAQC) at a celebration to put into service two hybrid electric senior transportation buses on Tuesday, August 10 at 11...

On July 21, 2010, the U.S. Environmental Protection Agency (EPA) published the Proposed Rule for approval the 2008 ozone state implementation plan (SIP) in the federal register (Vol. 75 , Number 139, July 21, 2010).  For the final SIP and supporting documents, please...

Click here to view the updated table. The ozone standard set by the U.S. Environmental Protection Agency (EPA) is calculated using a rolling three-year average of the fourth (4th) maximum 8-hour ozone concentrations.  An official violation occurs when the rolling...

Denver, July 13, 2010 – This month, the Regional Transportation District (RTD) is marking the 10 years since the Southwest Light Rail Line opened. Banners will be on display this month at a dozen key light rail stations and transit centers, and information will...

DENVER – On June 4, the Regional Air Quality Council will convene and co-host a meeting of leaders from across the community and the Country to advance the region's understanding of ways to improve air quality, through such efforts as connecting transportation...

The Regional Air Quality Council (RAQC) hosted its sixth annual Mow Down Pollution Event in 2010 at the Ridgegate Community in south metro Denver on May 1, 2010.  The event was well attended and over 475 new Neuton green mowing machines were sold and over 350 older...

Comments on EPA's Proposed National Ambient Air Quality Standards for 8-Hour Ozone: State of Colorado - March 22, 2010National Association of Clean Air Agencies (NACAA) - March 22, 2010Western States Air Resource Council (WESTAR) - March 26, 2010

Governor Ritter's Letter to the RAQC - January 20, 2010