Air Quality Alert #4267

USA WEATHER IN PITTSBURGH, PA HAS ISSUED A AIR QUALITY NOTIFICATION FOR FULTON, BEDFORD, BLAIR, SOMERSET, CAMBRIA, CLEARFIELD, JEFFERSON, ARMSTRONG, INDIANA, WESTMORELAND, FAYETTE, GREENE, WASHINGTON, BEAVER, ALLEGHENY, BUTLER, AND CLARION COUNTIES UNTIL 7:00 AM EDT SATURDAY.

THIS INCLUDES THE CITIES OF MONESSEN, NEW KENSINGTON, ALLISON PARK, BETHEL PARK, WEST MIFFLIN, INGOMAR, SOUTH PARK, MCKEESPORT, MONROEVILLE, PITTSBURGH, WASHINGTON, UNIONTOWN, SOMERSET, GREENSBURG, MURRYSVILLE, WESTMORELAND CITY, INDIANA, JOHNSTOWN, BUTLER, TURKEY CITY, KITTANNING, FAIRMOUNT CITY, ALTOONA, FERNWAY, UPPER SAINT CLAIR, PLUM, BALDWIN, WILKINSBURG, MOON, WHITEHALL, AND FRANKLIN PARK. THIS INCLUDES THE MOUNTAINOUS AREAS OF THESE COUNTIES.

DISCUSSION...

REDUCED AIR QUALITY IS NOTED ACROSS THE ENTIRE FORECAST AREA, DUE TO WILDFIRE SMOKE FROM WILDFIRES BOTH IN CENTRAL AND EASTERN CANADA AND MINNESOTA. NORTHERN PORTIONS OF THIS NOTIFICATION AREA IS CURRENTLY EXPERIENCING AIR QUALITY AT THE HAZARDOUS LEVEL, INCLUDING BUT NOT RESTRICTED TO THE METROPOLITAN PITTSBURGH AREA, BUTLER, INDIANA, GREENSBURG, WASHINGTON, WAYNESBURG. EAST OF SW PENNSYLVANIA, UNHEALTHY TO VERY UNHEALTHY AIR QUALITY IS CURRENTLY PRESENT.

WITH HIGH PRESSURE CURRENTLY FORECAST TO DOMINATE THROUGH FRIDAY NIGHT, UNHEALTHY TO VERY UNHEALTHY, CODE RED AND PURPLE, OR POSSIBLY EVEN HAZARDOUS AIR QUALITY, CODE MAROON, IS FORECAST THROUGH THEN. THERE IS FORECAST TO BE A BREAK IN THE AIR QUALITY WITH A COLD FRONT FORECAST TO MOVE IN ON SATURDAY, BRINGING A THUNDERSTORM THREAT, POSSIBLY SEVERE.

EVERYONE SHOULD LIMIT STRENUOUS ACTIVITY OUTDOORS DUE TO THE POOR AIR QUALITY. SENSITIVE GROUPS, LIKE THOSE WITH ASTHMA, LUNG DISEASE, ELDERLY, CHILDREN AND RESPIRATORY AILMENTS SHOULD AVOID OUTDOOR ACTIVITY.

...DISCLAIMER...

USA WEATHER, INC., ISSUES THE FOLLOWING PRODUCTS FOR EDUCATIONAL, ENTERTAINMENT, AND INFORMATION PURPOSES ONLY. PERSON(S) SHOULD USE THIS INFORMATION SOLELY AS A SECOND SOURCE AND NOT AS AN OFFICIAL SOURCE FOR WEATHER INFORMATION, AS THE DATA PROVIDED IN THESE PRODUCTS MAY OR MAY NOT BE BACKED BY SOUND METEOROLOGICAL DATA. WE URGE YOU TO NOT MAKE POTENTIALLY LIFE-ALTERING DECISIONS BASED ON THIS INFORMATION AND WOULD ENCOURAGE YOU TO VISIT YOUR LOCAL NATIONAL WEATHER SERVICE WEBPAGE FOR OFFICIAL WEATHER DATA AND INFORMATION.