Pollen levels very high in Southern Nevada, allergy season peaking
Pollen levels very high in Southern Nevada, allergy season peaking Currently, pollen levels are at 11 on a scale of 1 to 12. The peak of allergy season is March and April. and last updated 2021-03-11 10:54:15-05 LAS VEGAS (KTNV) â Currently, pollen levels are at 11 on a scale of 1 to 12. The peak of allergy season is March and April. Dr. Richard Lockey is an allergy doctor and professor and he says if you're allergic, staying inside is best with the windows closed. If you do need to go outside, he says wearing a mask isn't only good for helping prevent COVID-19. "Anything that can block...