Air Quality For So Called Progressive Cities, 12:07pm, 02/12/2009,

(#6) Cambridge, MA, Good (yesterday's: Moderate Risk)

(#7) Berkeley, CA, Good(yesterday's: Good)

(#2) San Francisco, CA, 9, 23, Good

(#4) Oakland,CA, 9,23, Good

(#10) Austin, TX, 26, Good

(#11/#12) Minneapolis/St. Paul, 16,41, Good

(#3) Boston, MA, 19,45, Good

(#5) Eugene, OR, 47, Good

(#8) Seattle, WA, 51, Moderate Health Risk (so "green")

(#9) Chicago, IL, 21, 52, Moderate Health Risk (so "green")

(#1)Portland, OR, 1, 76, Moderate Health Risk (so "green")