Spring in New York City is spectacular — until your sinuses decide otherwise. Millions of New Yorkers experience seasonal allergic rhinitis every spring, and the city’s density, wind patterns, and enormous tree population make pollen exposure hard to avoid. Understanding what’s triggering your symptoms, when pollen counts typically peak, and how to manage allergies effectively can make the difference between a miserable spring and a manageable one.
What Causes Spring Allergies in NYC?
Spring allergies are caused by pollen — tiny particles released by trees, grasses, and weeds during their reproductive cycle. In New York City, spring allergy season is dominated by tree pollen, which typically begins in late February or early March and peaks through April and May. Grass pollen begins overlapping with tree pollen in late May and carries through June.
The most common allergenic trees in the NYC metro area include:
- Oak — One of the highest-volume pollen producers; peaks April through May
- Birch — A major allergen; often cross-reacts with certain foods (oral allergy syndrome)
- Maple — Early spring pollinator, often February through April
- Elm — February through April peak
- Mulberry — Particularly problematic in the outer boroughs
- Plane/Sycamore — Common NYC street tree with significant allergenic potential
Central Park, Prospect Park, Van Cortlandt Park, and Flushing Meadows Corona Park are particularly high-pollen environments during spring. Even for those who live in high-rise apartments, pollen infiltrates through HVAC systems, open windows, and on clothing and hair.
When Is Allergy Season Worst in New York?
NYC’s spring allergy season generally follows this pattern:
- February–March: Early season tree pollen (maple, elm). Mild for most, but can trigger symptoms in highly sensitive patients.
- April–May: Peak tree pollen season. Oak, birch, and plane tree pollen reach their highest concentrations. This is the worst period for the majority of spring allergy sufferers.
- May–June: Grass pollen begins and overlaps with declining tree pollen. A double-trigger period for those allergic to both.
- July–August: Relative relief for most spring allergy sufferers; summer humidity suppresses many airborne allergens.
- August–October: Ragweed season begins — a separate allergen from spring pollen that affects millions of New Yorkers in the fall.
Climate change is extending allergy seasons. Research published in the last several years has documented that pollen seasons are starting earlier, lasting longer, and producing higher pollen concentrations than they did two decades ago. NYC’s 2026 spring season is expected to follow the pattern of recent years with an extended, high-intensity pollen season.
Common Spring Allergy Symptoms
Seasonal allergic rhinitis produces a predictable constellation of symptoms that appear during pollen season and resolve when pollen counts drop:
- Runny nose (clear, thin discharge)
- Nasal congestion
- Sneezing, especially in the morning or after going outdoors
- Itchy, watery, or red eyes (allergic conjunctivitis)
- Itchy throat or ears
- Postnasal drip leading to coughing
- Fatigue — often underappreciated but significant, particularly in those with moderate to severe allergies
- Reduced sense of smell or taste
A critical distinction: spring allergy symptoms do not cause fever. If you have nasal congestion, sinus pressure, and a fever, you likely have a sinus infection — not just allergies. Untreated sinus infections require clinical evaluation and may warrant antibiotic treatment.
How to Monitor NYC Pollen Counts
Daily pollen count data for the New York area is published by several sources including the American Academy of Allergy, Asthma & Immunology (AAAAI) and weather services. Pollen.com provides ZIP-code-level forecasts. High-pollen days are defined as counts above 1,000 pollen grains per cubic meter for tree pollen; moderate is 500–1,000; low is under 500.
On high-pollen days: keep windows closed, use air conditioning with a HEPA filter, shower after coming indoors to remove pollen from hair and skin, and avoid outdoor exercise during peak pollen hours (5–10 AM).
Allergy Treatment Options
Over-the-Counter Antihistamines
Second-generation antihistamines — cetirizine (Zyrtec), loratadine (Claritin), and fexofenadine (Allegra) — are the first-line treatment for mild to moderate seasonal allergies. Unlike first-generation antihistamines like diphenhydramine (Benadryl), they cause minimal sedation and are appropriate for daily use throughout allergy season. Taken consistently starting a few days before pollen season peaks, they provide significantly better control than taking them only when symptomatic.
Nasal Corticosteroid Sprays
Fluticasone (Flonase) and triamcinolone (Nasacort) are available OTC and are actually considered more effective than oral antihistamines for nasal congestion and rhinorrhea. They work best when used consistently — start them 1–2 weeks before your allergy season typically begins. Proper technique matters: aim the nozzle toward the outer wall of the nostril to avoid the septum.
Nasal Saline Irrigation
A neti pot or saline squeeze bottle rinses pollen directly from the nasal passages. Highly effective as an adjunct to medication, particularly after outdoor exposure. Use distilled or previously boiled water only.
Prescription Medications
For moderate to severe spring allergies not controlled by OTC medications, prescription options include stronger antihistamines, combination antihistamine/decongestant preparations, montelukast (Singulair) for allergic rhinitis with asthma, and referral to an allergist for immunotherapy evaluation. A Sickday clinician can assess your allergy severity, prescribe appropriate medications, and refer you to a specialist if needed.
Allergen Immunotherapy (Allergy Shots / Sublingual Drops)
For patients with significant year-round or multi-season allergies, allergen immunotherapy offers the only disease-modifying treatment — gradually desensitizing the immune system to specific allergens. This requires an allergist evaluation and a multi-year commitment, but produces durable improvement in allergy severity.
When Allergies Become Something More Serious
Spring allergies can trigger or worsen several related conditions that warrant clinical evaluation:
- Allergic asthma: Tree pollen is a potent asthma trigger. If spring brings worsening shortness of breath, chest tightness, or nocturnal cough, seek evaluation.
- Sinusitis: Chronic nasal congestion from allergies creates conditions for bacterial sinus infection. Sinus pain, facial pressure, fever, and thick discolored discharge suggest sinusitis rather than simple allergic rhinitis.
- Allergic conjunctivitis requiring prescription treatment: Severe eye symptoms that don’t respond to OTC antihistamine eye drops may require prescription treatment.
- Oral allergy syndrome: Patients with birch pollen allergy often develop itching or tingling in the mouth when eating raw apples, celery, carrots, or stone fruits — due to protein cross-reactivity between birch pollen and certain foods.
Getting Allergy Evaluation and Treatment at Home in NYC
If your spring allergies are severe enough to affect your work, sleep, or quality of life, a Sickday house call provides a fast path to clinical evaluation and prescription treatment without fighting rush-hour Manhattan traffic while sneezing. Our clinicians can assess your symptoms, review your current medications, prescribe stronger antihistamines or nasal steroids, and determine whether urgent specialist referral is warranted — all at your home, on your schedule.
Frequently Asked Questions
Why are my allergies worse some years than others in NYC?
Pollen counts vary significantly year to year based on temperature, precipitation, and the timing of spring. A warm winter followed by a sudden warm spring typically produces a high-intensity “pollen bomb” as all tree species release pollen simultaneously rather than in staggered waves. Cool, rainy springs tend to suppress pollen counts.
Is it allergies or COVID?
Allergies typically cause itching (eyes, nose, throat), sneezing, and clear nasal discharge without fever. COVID-19 typically causes fever, body aches, and fatigue, often with loss of smell or taste. If you’re uncertain, an at-home rapid test can differentiate quickly — or a Sickday clinician can evaluate you and test if warranted.
Can a clinician come to my home to treat my spring allergies?
Yes. Sickday offers house calls for allergy evaluation and prescription treatment across New York City. If your OTC regimen isn’t controlling your symptoms, or if you’re experiencing complications like sinusitis or allergy-triggered asthma, booking a house call is the fastest way to get appropriate prescription treatment.

