2009 Monthly Statistics: AIRPACT-3 vs AIRNow Obs

2009 Hourly Plots AIRPACT Home Charts may take a few moments to appear on initial page load.

EXPLANATION:
AQSID: Air-quality monitoring site identifier (from AIRNow)
avg_o3_ap: monthly mean ozone value from AIRPACT-3
avg_o3_an: monthly mean ozone value from AIRNow
max_o3_ap: monthly maximum ozone value from AIRPACT-3
max_o3_an: monthly maximum ozone value from AIRNow
avg_pm_ap: monthly mean pm2.5 value from AIRPACT-3
avg_pm_an: monthly mean pm2.5 value from AIRNow
max_pm_ap: monthly maximum pm2.5 value from AIRPACT-3
max_pm_an: monthly maximum pm2.5 value from AIRNow
mb_o3: monthly mean bias for ozone
me_o3: monthly mean error for ozone
fb_o3: monthly fractional bias for ozone
fe_o3: monthly fractional error for ozone
mb_pm: monthly mean bias for pm2.5
me_pm: monthly mean error for pm2.5
fb_pm: monthly fractional bias for pm2.5
fe_pm: monthly fractional error for pm2.5