[ADEQ Forecasts] ADEQ Issues Particulate Matter Health Watch for Tues., June 5

Mon Jun 4 12:39:38 MST 2007

For more information, or if you have problems viewing the image, please
visit our Web page:

http://www.azdeq.gov/environ/air/ozone/ensemble.pdf

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 TUESDAY, JUNE 05, 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

SUN 06/03/2007

NONE   

Highest AQI Reading/Site

(Preliminary data only)

TODAY

MON 06/04/2007

NONE  

TOMORROW

TUE 06/05/2007

PM-10 HEALTH WATCH  

EXTENDED

WED 06/06/2007

PM-10 HIGH  

 POLLUTION

ADVISORY

LIKELY

O3*

47

TONTO NATIONAL MONUMENT

79

MODERATE

49

GOOD

56

MODERATE

CO*

20

PHOENIX SUPERSITE

13

GOOD

10

GOOD

07

GOOD

PM-10*

40

 WEST FORTY THIRD

50

GOOD

94

MODERATE

125

UNHEALTHY  FOR SENSITIVE GROUPS

PM-2.5*

27

DURANGO

38

GOOD

41

GOOD

56

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 Monday, June 04:   Unusually sensitive people should
consider limiting prolonged or heavy exertion outdoors.   

Health message for Tuesday, June 05:   Unusually sensitive people should
consider limiting prolonged or heavy exertion outdoors. 

Synopsis and Discussion

A PM-10 HEALTH WATCH HAS BEEN ISSUED FOR TUESDAY JUNE 05

An unusually strong but dry upper level long-wave trough will move over
the western U.S. - including Arizona - the next 48 hours or so.  It is
forecast to remain nearly stationary into the weekend although weaken
with time even as disturbances propagate thru it.  A surface cold front
should arrive over the local forecast area by noon Wednesday; no
rainfall will occur and cloud cover will be limited to the high variety.
It will be cooler on Wednesday, but the biggest impact from the system
will be gusty winds that have the potential to continue unabated from
Tuesday afternoon thru Wednesday evening.  The winds may cause areas of
blowing dust by Tuesday evening with widespread blowing and suspended
dust likely on Wednesday.  For this reason a PM-10 Health Watch has been
issued for Tuesday with a High Pollution Advisory a good bet for
Wednesday at which time persons with heart or lung disease should limit
outdoor activities. -Reith 

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