'Very high alert': Tree & grass pollen levels hit fourth consecutive day

OKLAHOMA CITY (KFOR) - Tree pollen and grass pollen has hit a four day stretch reaching high levels, says Oklahoma Allergy & Asthma Clinic (OAAC).

According to OAAC, there is an allergy alert for the following:

• Oak
• Blackjack
• Post
• Bur
• Sycamore
• Mulberry
• Willow
• Hackberry
• Pine
• Ash
• Pecan
• Cottonwood
• Cedar
• Walnut
...