Allergies are Extreme and climbing across the Orange County area. That is up from Very High last week. Its highest in four weeks. Well above its recent average. The highest of the eight California metro areas with data this week.
See exact levels in bub →Allergy risk levels are based on pollen counts, mold spore measurements, and air quality data from monitoring stations. The index reflects the combined burden of tree, grass, and weed pollen along with indoor/outdoor mold activity.
Data is updated daily during high-pollen seasons and every 2–3 days during winter months.
Sources: AAAAI pollen stations, NAB, EPA AirNow, Hubbub World allergy model
Last updated: October 11, 2026
Data refreshed weekly
Get today's Allergy data for the Orange County area — Download bub