Pittsburgh's First Clean Air Day Contest - Daily Results
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This is the official results page for the
Pittsburgh's First Clean Air Day of Summer Contest
Return to the contest homepage
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DateLawrenceville OzoneLawrenceville PM2.5Liberty PM 2.5Harrison OzoneAverage RatioFor each day and monitor, a ratio is calculated between the day’s pollution concentration and the best historical level.
The four ratios are averaged. If the average ratio is 1 or less, we have a day whose air is clean across the region.
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6/20/20122.684.626.372.824.12And we're off! Welcome to the summer of 2012! Unfortunately, well short of a Clean Air Day!
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6/21/20122.684.666.532.744.15Ouch, worse!
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6/22/20122.292.092.092.002.12Ah... that's better, but not good enough!
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6/23/20122.181.542.611.932.06A nudge further in the right direction, but still short.
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6/24/20122.731.993.012.152.47Whoops... a slight turn for the worse.
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6/25/20121.951.641.491.501.64Another step in the right direction!
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6/26/20121.550.960.981.521.25The best day of summer yet, but not yet a winner!
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6/27/20122.332.403.362.332.60A definite turn for the worse.
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6/28/20123.313.785.143.293.88Not good at all, but be on the lookout tomorrow, an Air Quality Action Day has been forecast for June 29.
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6/29/20123.315.174.943.204.15Despite six hours of missing PM2.5 data from Liberty, this STILL ties as our worst air day yet this summer.
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6/30/20122.422.402.54Data outage from Liberty invalidate's today's results - we'll be on the lookout for any late recovered data that might allow us to update the day.
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7/1/20122.572.652.43Still no data from Liberty... waiting for word on recovery.
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7/2/20122.692.922.742.312.67And we're back in business with readings from all our sites, but still not a Clean Air Day
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7/3/20122.624.355.632.413.75Happy to have readings again, but not with the direction they are going!
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7/4/20122.784.044.482.723.52Life, Liberty, and the pursuit of Clean Air! But we're not there yet...
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7/5/20122.872.632.692.532.68A bit better...
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7/6/20123.154.875.573.044.16Oh no, our worst day yet!
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7/7/20122.734.216.282.733.99A baby step in the right direction
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7/8/20121.913.123.161.752.48And better still...
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7/9/20121.900.941.671.721.56A nice step in the right direction, but not a winner
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7/10/20121.991.482.871.832.043 steps forward, 1 step back
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7/11/20121.991.232.871.831.98A slight improvement...
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7/12/20122.442.752.202.222.40... and a turn for the worse.
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7/13/20122.131.972.362.002.11And back again to the better...
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7/14/20121.472.051.851.311.67And better still, below two for only the fifth time this summer!
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7/15/20121.471.422.051.411.59Moving in the right direction!
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7/16/20122.642.533.682.292.79NOOOOO!!!!!
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7/17/20122.613.275.902.783.64Not even close.
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7/18/20122.112.533.161.812.46Back in the right direction.
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7/19/20121.892.122.091.651.94A big step toward where we want to be.
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7/20/20120.851.521.630.881.22Almost there...
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7/21/20121.081.621.181.021.22A repeat!
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7/22/20122.332.813.772.412.83A giant step in the wrong direction.
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7/23/20122.263.514.542.273.14This trend needs to be reversed!
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7/24/20122.132.853.271.862.52Making progress.
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7/25/20122.291.152.031.811.82Let's keep this going!
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7/26/20122.072.483.452.002.50A wrong way turn again :-(
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7/27/20122.011.892.031.991.98And a turn for the better, whew!
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7/28/20122.052.483.302.002.46Not a winner.
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7/29/20124.071.892.031.992.49Almost identical.
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7/30/20122.142.183.471.922.40Not quite.
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7/31/20122.312.692.701.822.38A little bit better than yesterday!
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8/1/20122.341.912.542.112.23Right direction but it could be better!
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8/2/20122.692.203.412.862.79A turn for the worse..
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8/3/20122.604.024.412.613.41Heading in the wrong direction!
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8/4/20122.292.873.122.122.60Better than yesterday!
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8/5/20121.451.872.871.201.85Getting better! Keep your fingers crossed!
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8/6/20122.241.171.341.791.64It's getting closer!
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8/7/20122.611.914.632.822.99Definitely a step backward.
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8/8/20122.832.795.152.993.44Yikes! Not moving in the right direction.
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8/9/20122.662.833.232.472.80Good Improvement from yesterday!
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8/10/20121.831.091.491.751.54Great Improvement from a few days ago!
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8/11/20121.020.701.311.011.01Ah! So Close!
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8/12/20121.320.861.691.311.29Oh man, good but didn't head in the right direction!
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8/13/20122.211.954.462.102.68We were getting so close! Hopefully we will have our first clean air day soon!
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8/14/20121.942.713.361.842.46Ok, heading back down in the right direction
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8/15/20122.061.972.991.972.25Slowly inching closer...
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8/16/20122.282.575.172.293.08Not what we were hoping to see!
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8/17/20121.442.033.071.341.97Nice improvement from yesterday!
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8/18/20121.740.991.671.601.50Heading in the right direction!
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8/19/20121.951.771.871.881.87Slightly higher than yesterday, was hoping it would be slightly lower.
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8/20/20122.181.482.071.991.93Slowly heading in the wrong direction!
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8/21/20122.131.913.592.172.45Oh No! Definitely not heading in the direction we want
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8/22/20122.352.183.872.452.71Man, still heading in the wrong direction!
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8/23/20123.163.574.232.663.40Oh no! A turn for the worse!
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8/24/20122.704.193.772.523.30Still not looking too great
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8/25/20122.703.512.922.632.94A little bit better than yesterday!
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8/26/20121.652.051.711.421.71Good improvement!
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8/27/20122.182.222.652.012.27Dang... a backslide.
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8/28/20121.942.222.051.631.96A bit better than yesterday
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8/29/20121.771.522.361.591.81A tiny bit closer but still pretty far away
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8/30/20122.111.913.561.682.31Oh no, moving in the wrong direction!
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8/31/20122.603.145.142.683.46Man, not a good day!
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9/1/20121.391.542.501.601.76Definitely better but not close enough!
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9/2/20121.131.501.600.981.30Getting Closer! zfvcx
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9/3/20121.241.561.601.031.36Ah, just a little bit higher than yesterday.
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9/4/20121.471.291.781.221.44Still not close enough!
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9/5/20122.101.231.561.741.66The numbers are unfortunately inching back up
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9/6/20122.291.853.592.322.51Ow... a wrong way leap!
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9/7/20122.193.614.252.053.02Yikes again... still going the wrong way!
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9/8/20121.451.051.941.351.45Now that's more like it!!
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9/9/20121.300.741.381.091.13Again getting better, our 2nd best day yet this summer!
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9/10/20121.300.721.221.261.12Monday beats Sunday for the 2nd best day!
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9/11/20121.431.542.871.111.74Oh man, not going the way we were hoping!
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9/12/20122.072.225.031.792.78Gah! Not heading in the right direction!
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9/13/20122.413.105.282.243.26Oh no, it headed way back up from earlier this week. Only one week left!
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9/14/20122.022.264.741.862.72A bit better but not where we hoped to be :(
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9/15/20121.671.582.091.651.75Ok, heading back down, hopefully this continues!
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9/16/20121.681.685.251.602.55Oh man, not good! Only a few days left!
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9/17/20121.702.164.281.762.48A little bit better but still not looking good :(
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9/18/20120.970.641.200.990.95Say hello to The First Clean Air Day of Summer!! Our winning day is here with just three days to spare!
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9/19/2012
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9/20/2012
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9/21/2012
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