Tag Archives: fine particles

It’s Time to Give Air Quality the Attention It Deserves

March 22, 2017 – by Bob Henson in the Wunderblog of Weather Underground.com Each day of every year, a quiet disaster unfolds in households and hospitals across the world. More than 10,000 lives are lost worldwide every 24 hours as … Continue reading






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UPDATE: SECOND DAY of “Unhealthy” air but no alerts. A situation far too common in Evansville and we deserve better.

March 12, 2015 – by John Blair, valleywatch.net editor For the second day in a row, air quality in Evansville deteriorated to “unhealthy” levels and still no alerts. What goes here? Actually the level got all the way to 45.3µg/m3 at … Continue reading






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Judge dismisses lawsuit against TVA over coal plant closing

February 10. 2015 – by Dave Flessner in the Times Free Press A federal judge has dismissed a lawsuit brought by the coal industry against the Tennessee Valley Authority that tried to block TVA’s plans to shut down two of … Continue reading






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Finally, after several days of BAD air, IDEM issues an air quality alert of SW Indiana

August 27, 2014 – by John Blair, valleywatch.net editor In case you have not noticed, lately, air quality has been pretty bad around Evansville for several days now. Yesterday, afternoon, fine particles reached a horrible level- 63.97µg/m3, almost twice the outdated … Continue reading






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Tri-State air pollution event continues. Looks surrealistic!

November 19, 2012-by John Blair valleywatch.net editor Air Quality in the Evansville region continued to be poor today with fine particles increasing to 39.23µg/m3 during the 9 AM hour. Of course, there was no alert issued since that just does … Continue reading






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Air quality in Evansville is atrocious but of course the official monitors are not working

November 16, 2012-by John Blair valleywatch.net editor Below is a picture I shot this morning of the atrocious air pollution in Evansville today, 11/16. It was basically the same yesterday as fine particles built up in the region. Unfortunately, IDEM … Continue reading






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Valley Watch calls on Athletic Directors/Coaches to suspend practices during fine particle “alert”

August 2, 2011- by Valley Watch, Inc. Valley Watch, a group whose purpose is to “protect the public health and environment of the lower Ohio River Valley” today is encouraging the region’s Athletic Directors and Coaches to suspend outdoor practices … Continue reading






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Sulfate World

March 4, 2011-By John Blair, valleywatch.net editor. A chemist friend once told me that when the haze is gray, it is most likely consisted mostly of water vapor. But, he said, “When it is blue it is most likely sulfates.” … Continue reading






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