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Air Quality division reports monitoring and permitting gains, flags ozone challenge linked to summertime heat and transport
Summary
Bryce Bird, director of the Division of Air Quality, told the committee the state is meeting monitoring QA goals and has reduced PM2.5 values on the Wasatch Front, but ozone levels have flattened recently. He highlighted a 179B modeling demonstration showing ~10% international contribution to summertime ozone and legislative funding for dust monitors around the Great Salt Lake.
Bryce Bird, director of the Utah Division of Air Quality, briefed legislators on monitoring, permitting and compliance work and outlined next steps to address summertime ozone and dust from the West Desert.
Bird said the division meets key EPA data quality goals — "we have 99% of our air quality data that meets that completeness and quality assurance requirements" — and reported a PM2.5 design value on the Wasatch Front that is roughly half what it was 25 years ago. The division’s permit average is under 131 days and…
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