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## Air Resources

Our goal is to preserve, protect, enhance, and underst and air quality and other resources sensitive to air quality in the National Park System Skip to Content 

### Air Quality Health Advisories »

See which national parks have current advisories as well as previous years' advisory summaries. 

### Regional Haze SIP Review »

S tate I mplementation P lans – Department of Interior comment letters on draft state plans for reducing regional haze. 

### How is the Air? »

Check out current ozone and weather in over 30 national park areas plus recent data in a timeline format.



### 16 Web Cameras in one place!

The new gallery is a quick way to access park specific web sites with up-to-date images and air quality data.



### Air Quality in National Parks

The latest NPS air quality report shows visibility, ozone, and atmospheric de position conditions and trends for 1999–2008. The report shows 97% of parks have stable or improving visibility, 100% have stable or improving ozone concentrations, and 93% have stable or improving trends in atmospheric deposition. more » Visit the gallery of live air quality web cameras thumbnail images of all 16 NPS air quality webcams

Air quality in National Parks 9009 report cover NEW! » 

### FLAG 2010

The National Park Service, U.S. Fish & Wildlife Service, and U.S. Forest Service, have revised the FLAG Phase I Report which provides guidance on assessing the impacts of new and existing sources of air pollution. more »

» Ozone regulations under review - The Environmental Protection Agency (EPA) proposed revisions to primary and secondary standards - NPS comments.

more »

» NOx and SO2 regulations under revision - The Environmental Protection Agency (EPA) is conducting a combined review of the secondary National Ambient Air Quality Standards for Nitrogen Oxides (NOx) and Sulfur Dioxide (SO2).

more » archive » NPS, USFWS, and USFS logos



### Headlines

Photo of multiple stacks of fertilizer bags 

### Page 1 of 2 N ational Park Service: Explore Nature» Air Resources Division

1/6/2011 file://H:\6PD\6PD-L\NM SIP-FIP Docket\Echo of NMED web site as of 12-21-10\index.cf

...updated on 08/27/2010 I http ://www.nature.nps.gov/air/i ndex.cfm I Email: Webmaster Please download the latest version of Adobe Reader :: Free Download End of page, skip over duplicate menu bac k to content 

## DID YOU KNOW?

The cleaner the air is, the more likely you are to notice a small increase in pollution. Adding just 1 microgram of fine particles per cubic meter of air to a clean atmosphere will redu ce how far you can see by 30%, from 243 miles (392 km) to 167 miles (270 km). archive » Skip to Content Skip to navigation U.S. Department of the Interior Accessibility Freedom of Information Act Privacy Policy Disclaimer USA.gov NPS Home 

### Page 2 of 2 N ational Park Service: Explore Nature» Air Resources Division

1/6/2011 file://H:\6PD\6PD-L\NM SIP-FIP Docket\Echo of NMED web site as of 12-21-10\index.cf

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