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To view nearby sources, first select a pollutant and radius (or select 'Radius Only'). Then select from 1 of the 3 search options below:

Criteria Pollutant:
Search Radius:
Radius Only / No Search

1. Either enter coordinates from one of the coordinate systems listed in the dropdown menu and then press "Submit"...

X>Long: Y>Lat: Coordinate System (Datum):

2. Enter the operator name, facility name or AIRS-ID# (XXX-XXXX), press return (or hit "Search>") to create a list of choices to "Submit"...

3. Or, once having selected a pollutant and radius, pan and/or zoom to the location of interest and Click on the map below.

For full functionality, be sure to disable pop-up blockers (or make an exception for in your browser settings
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Designation Areas (check box): AMA = Attainment/Maintenance Area .............. NAA = Non-Attainment Area
PM10 AMA CO AMA O3 1hr AMA O3 8hr NAA (0.08 ppm / 0.075 ppm O3 NAAQS)
Other (check box): Class I Class II* CDPHE Monitoring Sites
*Class II areas, as they existed on August 7, 1977, that have Class I SO2 increment protection. Class II boundaries are approximate.
To print more detailed version of table below, click here> To print map above, click here>
+ Dist (km) Facility Name (click button left of facility name to add label) Emissions (TPY) O3 NAA?

This map may have compatibility issues with some browser and operating system combinations.

Imagery collection dates vary depending on location and zoom level.

Tabular facility data (updated daily) provided by APCD records.

Map navigation tips (using mouse + special keystrokes in the map):

Download Presentation "Air Pollution Emissions from Nearby Sources Assessment Tool">>