The quantity of pollen grains in the air for Thursday will remain relatively stable in the low range. This is a result of stable temperatures. No change doesn't mean no pollen, it just means that pollen producing plants are delivering pollen at a steady pace.
EPA Issues Tougher Rules on Ozone Emissions
WEDNESDAY, Nov. 26, 2014 (HealthDay News) -- New regulations to reduce emissions of the smog-causing pollutant ozone from power plants and factories were issued Wednesday by the U.S. Environmental Protection Agency.
Ozone has been linked to asthma, heart disease and premature death.