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Eagle River PM2.5 Data

Eagle River Air Quality Monitoring Data - PM2.5

The interactive charts below show historical data from PM2.5 monitoring at the Eagle River Parkgate monitoring site.  Monitoring occurred between 01/01/2009 and 06/30/2019 and was shut down due to budget cuts.  The Alaska Air Monitoring Plan contains more information about this site.

Note: The vertical axis of these charts extend from -10 µg/m3 to 100 µg/m3. Negative PM2.5 concentrations are included based on EPA reporting guidelines and are within the noise levels of the instrument when the ambient PM2.5 concentration is near zero.


The following graphs show the 24-hour averaged PM2.5 concentrations measured at the Eagle River Parkgate Monitoring Site from 2019 through 2009.


2019


The 2019 PM2.5 24-hour concentrations were below the 24-hour NAAQS of 35 µg/m3 except for nine days due to summertime wildfire smoke pollution. The 98th percentile concentration was 18.5 µg/m3.  The PM2.5 monitor at Parkgate was shut down on June 30, 2019. 


2018


The 2018 PM2.5 24-hour concentrations were all below the 24-hour NAAQS of 35 µg/m3. No data were flagged as exceptional events this year. The 98th percentile concentration was 14.4 µg/m3


2017


The 2017 PM2.5 24-hour concentrations were below the 24-hour NAAQS of 35 µg/m3. No data were flagged as exceptional events this year. The 98th percentile concentration was 15.4 µg/m3


2016


The 2016 PM2.5 24-hour concentrations were below the 24-hour NAAQS of 35 µg/m3. No data were flagged as exceptional events this year. The 98th percentile concentration was 13.8 µg/m3


2015


The 2015 PM2.5 24-hour concentrations were below the 24-hour NAAQS of 35 µg/m3. No data were flagged as exceptional events this year. The 98th percentile concentration was 17.2 µg/m3


2014


The 2014 PM2.5 24-hour concentrations were below the 24-hour NAAQS of 35 µg/m3 with the exception of one day. The exceedance measured in May was caused by wildfire smoke. The 98th percentile concentration was 14.7 µg/m3.


2013


The 2013 PM2.5 24-hour concentrations were below the 24-hour NAAQS of 35 µg/m3. No data were flagged as Exceptional Events this year.  The 98th percentile concentration was 15.0 µg/m3.


2012


The 2012 PM2.5 24-hour concentrations were below the 24-hour NAAQS of 35 µg/m3. No data were flagged as Exceptional Events this year. The 98th percentile concentrations was 17.9 µg/m3.


2011


The 2011 PM2.5 24-hour concentrations were below the 24-hour NAAQS of 35 µg/m3. No data were flagged as Exceptional Events this year. The 98th percentile concentrations was 15.7 µg/m3.


2010


The 2010 PM2.5 24-hour concentrations were below the 24-hour NAAQS of 35 µg/m3. No data were flagged as Exceptional Events this year. The 98th percentile concentrations was 17.0 µg/m3.


2009


The 2009 PM2.5 24-hour concentrations were below the 24-hour NAAQS of 35 µg/m3. No data were flagged as Exceptional Events this year. The 98th percentile concentration was 22.4 µg/m3.


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