Air Quality For The Ten Greenest Cities In America

1st: Portland, OR: Ozone is 2, PM2.5 is 45

http://thecaseforportlandoregon.blogspot.com/

(* disqualified) 2nd: San Francisco: 17, 87, Moderate Health Risk

http://thecaseforsanfrancisco.blogspot.com/

3rd: Boston, MA: 10,27 Good

http://thecaseforbostonmassachusetts.blogspot.com/

(* disqualified)4th: Oakland, CA: 17, 87, Moderate Health Risk

http://thecaseforoaklandcalifornia.blogspot.com/

5th: Eugene, OR: 38 for PM2.5, Good

http://thecaseforeugeneoregon.blogspot.com/

6th: Cambridge, MA: Good

http://thecaseforcambridgemassachusetts.blogspot.com/

(* disqualified)7th: Berkeley, California: 16, 59, Moderate Health Risk

http://thecaseforberkeleycalifornia.blogspot.com/

8th greenest city: Seattle, WA: Ozone is 5, PM2.5 is 35

http://thecaseforseattle.blogspot.com/

9. Chicago, IL: 21, 38, Good

http://thecaseforchicagoillinois.blogspot.com/

10. Austin, TX: 23, 14, Good

http://thecaseforaustintexas.blogspot.com/