LA · Allergy Season Guide
New Orleans Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in New Orleans. This guide uses regional climate and historical allergen data while we recruit a local host.
PollyMap is actively looking for a qualified local partner in New Orleans.
We're recruiting a qualified local allergy clinic, naturopathic clinic, university, environmental health professional, or other qualified organization to become the official pollen collection partner for New Orleans.
Become the Official PollyMap Partner for New OrleansSummary
PollyMap does not yet have weekly collected pollen data for New Orleans. This guide is based on regional climate patterns and historical allergen data while we recruit a local collection partner. Tree pollen peaks in spring, grass pollen in late spring and early summer, and weed pollen in late summer and fall.
Local allergy guide for New Orleans
New Orleans shares Louisiana's a humid subtropical climate with long, hot, humid summers and short, mild winters. at 7 ft elevation.
New Orleans at 7 ft elevation sits within Louisiana's broader regional climate.
In New Orleans, tree pollen — including Oak, Pine, Cedar — typically dominates from late winter through spring. Bermuda grass is the most common warm-season pollinator, and Ragweed drives the largest fall pollen load.
New Orleans's local mold profile includes Cladosporium, Alternaria, Aspergillus. Spore counts tend to peak after rainfall and during the warm, humid portion of the year.
Local weather — temperature, rainfall, wind, and humidity — drives day-to-day pollen levels. Dry, windy days following warm weather typically produce the highest counts, while heavy rain temporarily clears the air.
New Orleans monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in New Orleans.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | Mod | High | V.High | V.High | High | Mod | Low | Low | Low | Low | Low | Mod |
| Grass | Low | Low | Mod | High | V.High | V.High | High | Mod | Mod | Low | Low | Low |
| Weed | Low | Low | Mod | Mod | Mod | Mod | High | V.High | V.High | High | Mod | Low |
| Mold | Mod | Mod | Mod | High | High | V.High | V.High | V.High | V.High | High | Mod | Mod |
Most common airborne molds
Current PollyMap data for New Orleans
Official PollyMap Partner in New Orleans
Frequently asked questions about allergies in New Orleans
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Related guides
State Guide
Louisiana Allergy Season Guide
Nearby city
Baton Rouge Allergy Season Guide
Nearby city
Shreveport Allergy Season Guide
Nearby city
Lafayette Allergy Season Guide
Nearby city
Lake Charles Allergy Season Guide
Library
Pollen species library
Library
Mold species library
Reports
Latest PollyMap reports
Partners
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