Skip to Content

All "Air Quality Updates"

Air Quality Update April 13

Posted on April 13th, 2017

Air quality is expected to worsen with moderate conditions possible Thursday and Friday.  East winds are bringing secondary particles from Ohio River Valley.

Air Quality Update April 6

Posted on April 6th, 2017

Rain and winds from the north have continued through the week. It is a sunny Thursday morning in Iowa and the air quality is good. The forecast is predicting clean air for the Midwest through Saturday. It is a great time to get out and enjoy the break in the rain.

Air Quality Update April 4

Posted on April 4th, 2017

Rain and north winds are keeping conditions clean.  Although conditions are good outside, indoor air quality is something to keep in mind especially as you think about spring cleaning.  Check out this EPA article for tips to improve indoor air quality.    

Air Quality Update Mar 30

Posted on March 30th, 2017

Kudos to the rain. Midwest air quality will be good today and tomorrow. This weekend: good or moderate in the Midwest. Figure on the top left shows NOAA predicted maximum hourly PM2.5 (bias corrected) for tomorrow. The red and purple regions in the West have high concentrations of PM2.5 (> 45 ug/m3). This is caused […]

Air Quality Update Mar 28

Posted on March 28th, 2017

Air conditions are clean today with possible pockets of moderate conditions.  AQICN’s forecast for Potosi, WI predicts greater ozone contribution to air quality than particulate matter (PM) for the first time this season.  Ground-based ozone is formed by reaction of pollutants in sunlight.  Check out our page for more information on ozone.

Air Quality Update Mar 23

Posted on March 23rd, 2017 shows current air quality is good in most areas of the Midwest (with some moderate values in Kansas and at the borders of IA and IL). It seems Iowa is not affected by winds from Ohio River Valley. Air quality will continue to be good or moderate  Friday and Saturday.  

Air Quality Update Mar 21

Posted on March 21st, 2017

Air conditions are currently good in Iowa.  A classic meteorological pattern with high pressure to the east of Iowa could setup later in the week causing winds to wrap around from the Ohio River Valley and air quality to worsen.  Stay tuned for more information.  On an unrelated note, check out these fascinating images of […]

Air Quality Update Mar 17

Posted on March 17th, 2017

Air quality throughout the eastern part of the Midwest (code yellow) is moderate today. NOAA HMS Smoke and Fire shows lots of fires over Iowa. Air quality will improve this weekend as a result of strong winds and warm temperatures.

Air Quality Update Mar 17

Posted on March 17th, 2017

As of Friday at 11:40 am, shows moderate conditions for most of Iowa, Wisconsin, and Minnesota. Pockets of “unhealthy for sensitive groups” are possible in low lying areas. Saturday- winds from the north will bring in cleaner air for the weekend. For up to date air quality monitor conditions check

Air Quality Update Mar 9

Posted on March 9th, 2017

Light density smoke was observed over much of the central plains as shown in the NOAA HMS image. There is a significant decrease of fire outbreaks compared to that of Mar 8 as posted in the Smog Blog ( Current air quality is good in the Midwest. Air quality will change to moderate (i.e. unhealthy […]