State Air Quality Standards Reply

The state ambient air quality standards were misaligned with the national standards for lead, ozone, and particulates.

Time Frame

  • 1-2 years


  • (8/18/09) Amendments being reviewed.


  • Ozone and fine particle levels near sources such as busy highways
  • Definition of fine particle versus ultrafine particles.
  • Health effects of ozone and fine particles.


  • Standards may continue to mask local “hot spot” effects, where most health problems occur, with regional measurements.
  • Standards may not adequately address local air quality issues involving fine particulates, which are particularly damaging to health.


  • Advocate for local measurement and mitigation and for regulation of fine particulates.






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