[ADEQ Forecasts] ADEQ Daily Air Quality Forecast for Wed., Feb. 14

Tue Feb 13 11:44:51 MST 2007

VERY UNHEALTHY  (201-300)

UNHEALTHY (151-200)

UNHEALTHY FOR SENSITIVE GROUPS (101-150)

MODERATE (51-100)

GOOD (0-50)

For more information visit:

http://www.epa.gov/airnow/aqibroch

*LINK TO EXCEEDANCE & HEALTH STATEMENT INFO FOR THE 2005-06 & 2006-07
FORECAST SEASONS* <http://www.azdeq.gov/environ/air/ozone/pmstats.pdf> 

AIR QUALITY FORECAST FOR WEDNESDAY, FEBRUARY 14, 2007

This report is updated by 1:00 p.m. Sunday thru Friday and is valid

for areas within and bordering Maricopa County in Arizona

FORECAST

DATE

NOTICES

(*SEE BELOW FOR DETAILS) 

AIR POLLUTANT

YESTERDAY

MON 02/12/2007

NONE 

Highest AQI Reading/Site

(Preliminary data only)

TODAY

TUE 02/13/2007

NONE 

TOMORROW

WED 02/14/2007

NONE

EXTENDED

THU 02/15/2007

NONE

O3*

30

SOUTH PHOENIX

25

GOOD

29

GOOD

33

GOOD

CO*

22

WEST INDIAN SCHOOL

33

GOOD

31

GOOD

35

GOOD

PM-10*

51

BUCKEYE

42

GOOD

49

GOOD

52

MODERATE

PM-2.5*

50

PHOENIX SUPERSITE

52

MODERATE

55

MODERATE

58

MODERATE

* O3 = Ozone      CO = Carbon Monoxide      PM-10 = Particles 10 microns
& smaller      PM-2.5 = Particles smaller than 2.5 microns

*"Ozone Health Watch" means that the highest concentration of OZONE may
approach the federal health standard.

"PM-10 or PM-2.5 Health Watch" means that the highest concentration of
PM-10 or PM-2.5 may approach the federal health standard.

"High Pollution Advisory" means that the highest concentration of OZONE,
PM-10, or PM-2.5 may exceed the federal health standard.

"DUST" means that short periods of high PM-10 concentrations caused by
outflow from thunderstorms are possible.

Health message for Tuesday, Feb 13: Unusually sensitive people should
consider limiting prolonged exertion outdoors.

Health message for Wednesday, Feb 14: Unusually sensitive people should
consider limiting prolonged exertion outdoors.

Synopsis and Discussion

More clouds and scattered showers moved through parts of the Valley
Tuesday morning.  This system is currently centered over southern
Nevada, so the chance for more showers will continue through early
Wednesday.  As the disturbance moves east, high pressure will return for
short stay Wednesday afternoon through early Saturday, allowing
afternoon desert temperatures to reach the upper 70s.  The next shot of
unsettled weather will come as early as next Sunday.  Particulates for
the most part dropped into the Good range.  Some unusually high values
were recorded overnight at the Buckeye monitor, causing the 24-hr
concentration for Monday to be "Moderate".  We could see these levels
remain relatively low through the rest of the workweek, increasing
slightly heading into Saturday.  Check back tomorrow for any changes.
Have good day!  -J.Paul

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