Pollen boom, warmer spring leads to extended allergy season

Pollen covers vehicles, roads, ponds and more as the pollen count is very high this March in the Triangle. Kat Campbell looks at why North Carolina is getting hit hard.
Posted 3/23/2026, 10:26:41 PM Updated 3/23/2026, 11:00:07 PM

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>> A LOOK AT THIS PICTURE.

SO THIS IS FROM THIS IS VIDEO

FROM OUR WRAL GARDENS PARKING

LOT. ALL THE POLLEN COVERING

PEOPLE'S VEHICLES, EVEN COATING

THE ROAD RIGHT THERE WALKING

AROUND AND I CAN SEE MY OWN

FOOTSTEPS. THE POLLEN COUNT

VERY HIGH FOR THE FIRST TIME

THIS SEASON. YOU'VE DEFINITELY

FELT IT. YOU'VE SEEN IT.

IT'S COVERAGE, BUT EVERYTHING

YOU KNOW WHERE ANIMALS, YELLOW

DOGS ARE. YELLOW.

>> WELL, KEYS OR YELLOW.

I MEAN, THAT'S WHAT GOOD RAIN

WILL CLEAN THEM. ALL OFFICERS

GO IS GOING TO GET WORSE,

THOUGH. IT'S GONNA STICK AROUND

FOR A WHILE LONGER THIS SEASON.

METEOROLOGIST KAT CAMPBELL

TAKES A CLOSER LOOK AT WHY

NORTH CAROLINA IS GETTING HIT

SO HARD.

>> SOME GRAINS OF POLLEN LOOK

SIMILAR TO THE DEATH STAR AND

THOSE THAT SUFFER FROM SEASONAL

ALLERGIES WOULD ARGUE THAT'S

NOT A COINCIDENCE.

COLIN SPIKED IN EARLY FEBRUARY.

EXPERTS TELL US IT'S GOING TO

GET WORSE.

>> WE SEE A PEAK AND TREE AND

PINE POLLEN. USUALLY LATE MARCH

OR EARLY TO MID APRIL THAT SEAN

TAYLOR FROM THE STATE DIVISION

OF AIR QUALITY. THEY TALLY THE

POLLEN GRAINS AND THEY'RE

TELLING A LOT THIS SEASON.

>> RIGHT NOW OUR POLLEN COUNT

IS AROUND 1500 GRAINS PER CUBIC

METER WHEN IT PEAKS EXPECT

2000. THE RECORD WAS MORE THAN

5,000 GREENS PER CUBIC METER

AND 2024. GREG PAGES, THE

HORTICULTURE DIRECTOR AT THE

JC ARBORETUM POLLEN SEASON IS

DEFINITELY GETTING LONGER ON.

THERE'S A LOT OF REALLY GOOD

INFORMATION AND DATA OUT THERE

THAT THAT SUPPORTS THAT.

>> AND PART OF THE REASON THAT

IS OCCURRING IS CLIMATE CHANGE.

WE HAVE LONGER GROWING SEASONS,

IT GETS WARMER EARLIER AND

STAYS WARMER FOR LONGER PERIODS

OF TIME. THAT INCREASES HOW

PLANTS GROW AND REPRODUCE AND

KIND OF STRETCHES OUT THAT

GROWING SEASON AND THAT IN TURN

MAKES HIM PRODUCE MORE POLLEN.

GENERALLY WIND AND WARMTH MAKE

YELLOW DAYS IN NORTH CAROLINA.

BUT WHAT ABOUT THESE CRAZY

TEMPERATURE SWINGS? I WONDERED

WHAT MAKES POLLEN WORSE LONG

PERIODS OF HEAT OR SUDDEN

SPIKES OF HEAT. I WOULD SAY

IT'S THAT THOSE EARLY AND LONG

DURATIONS OF SOME OF THE HIGHER

TEMPERATURES. NOW THE GOOD NEWS

TREE POLLEN BACKS OFF IN LATE

APRIL AND MAY BUT DON'T GET

YOUR HOPES UP. BEWARE OF GRASS

POLLEN. THAT COMES NEXT.

AND LAST INTO EARLY SUMMER.

THIS TOO, SHALL PASS. IT'S IT'S

JUST, YOU KNOW, SNAKES BE FIRE

ANTS. YOU KNOW, IT'S IT'S A

IT'S A RITE OF PASSAGE TO BE IN

THE SOUTH IS IS THE POLLEN.