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3SAQS/WAQS Monitoring Network Assessments

Links to reports, monitoring site tables, maps and other resources for the 2017 WAQS Monitoring Network Assessment


WAQS Monitoring Network Assessment Report - DRAFT 30 May 2017 Review (18MB)


WAQS Monitoring Network Assessment Working Group Meetings


Note: After opening image files, click on an area of interest to view at higher resolution.

Monitoring Sites

By Organization:
Tribal & Federal WAQS Tribes EPA-NPS USFS BLM
State Agencies Colorado-DPHE Wyoming-DEQ Utah-DEQ Montana-DEQ Dakotas
Other Other

Detailed Maps:
CDPHE Denver & NFR

NAAQS Parameters O3 NO2 PM2.5

AQRVs Sulfur and Nitrogen SPEC Sites All SPEC Sites


Monitor Tables Site Tables

Concentration Maps

O3 Annual 4th Highest MD8 (maps by year)
2010 2011 2012 2013 2014 2015

DV Maps from OAR OAQPS (2013-2015) O3 NO2 annual PM2.5 annual

Correlation Analysis

Maps showing monitors correlated to other monitors at R2>0.8.
O3 NO2 PM2.5
Tabular data Monitor Correlation Tables

Representative Area

Gap Analysis

Maps showing monitor locations, O&G wells, population centers. PM2.5 maps show Class I Areas.

O3 NO2 O3&NO2 PM2.5 (O3 and NO2 maps include well locations for 'approved and pending' permits)

O3 NO2 O3&NO2 PM2.5

O3 NO2 O3&NO2 PM2.5

New Mexico
O3 NO2 O3&NO2 PM2.5

O3 NO2 O3&NO2 PM2.5

North and South Dakota
O3 NO2 O3&NO2 PM2.5

Emissions Analysis

WAQS 2011b v2 O&G Sector Emissions
VOCs Emissions Wells Monitor Rankings
NMHC Emissions Wells Monitor Rnkings
NOx Emissions Wells Monitor Rankings
FP Emissions Wells Monitor Rankings