Pollen Levels Are on the Rise, Says 2025 Allergy Forecast

Spring is supposed to be the season of fresh air, blooming trees, longer walks, and pretending that your winter coat did not become emotionally attached to you. For millions of Americans, however, spring also arrives carrying a less charming gift: pollen. Lots of it. Enough pollen to turn a peaceful drive with the windows down into a competitive sneezing event.

The 2025 allergy forecast warned that pollen levels were rising across much of the United States as warmer spring weather spread northward. Tree pollen started the parade, grass pollen prepared to take over in summer, and ragweed waited patiently in the wings for its fall performance. For people with seasonal allergies, this was not exactly breaking news. Their itchy eyes had already received the memo.

Still, the 2025 forecast offered a useful reminder: allergy season is not one short inconvenience anymore. In many parts of the country, it can feel like a multi-season marathon where tree pollen hands the baton to grass, grass hands it to weeds, and your tissues never get a vacation.

What the 2025 Allergy Forecast Predicted

The 2025 allergy outlook pointed to rising pollen levels in several regions of the United States, especially as warm temperatures encouraged trees, grasses, and weeds to begin releasing pollen. Forecasts highlighted tree pollen concerns from parts of the Gulf Coast through the central Plains, northern Rockies, and Pacific Northwest. Grass pollen was expected to be especially challenging in the Northeast and Pacific Northwest during early summer, while ragweed could create a difficult late-summer and fall season in parts of the Tennessee Valley, Carolinas, Gulf Coast, and southern Plains.

That does not mean every city experienced the exact same allergy season. Pollen is deeply local. Rainfall, wind, temperature swings, plant species, humidity, and even the landscaping choices in your neighborhood can change what floats through the air on any given day. One town may be dealing with oak pollen while the next town is getting ambushed by grass. Nature enjoys variety. Allergy sufferers generally do not.

Why Pollen Levels Keep Becoming a Bigger Problem

Pollen is not new. Trees, grasses, and weeds have been making it since long before humans invented air conditioning, allergy medicine, and dramatic social-media posts about “surviving spring.” The concern is that warmer temperatures, shifting rainfall patterns, fewer frost days, and rising carbon dioxide levels can affect when pollen seasons begin, how long they last, and how much pollen plants produce.

In other words, pollen season is not simply showing up earlier to be annoying. It may also be staying later, producing more airborne allergens, and spreading its misery across a longer stretch of the calendar. The American Academy of Allergy, Asthma & Immunology notes that pollen seasons have started earlier in parts of the eastern United States and have grown longer over time.

This matters because more exposure can mean more symptoms. A person who once struggled for a few weeks in spring may now deal with sniffles, congestion, itchy eyes, fatigue, and sleep disruption across several months. That is a lot of time to spend wondering whether your nose has officially resigned from functioning.

Tree, Grass, and Weed Pollen: The Seasonal Lineup

Tree Pollen Usually Leads the Spring Charge

Tree pollen is often the first major trigger of the year. Depending on the region, trees can begin pollinating in late winter or early spring. Common troublemakers include oak, birch, cedar, maple, elm, and ash. You may not even notice the trees at first, but your eyes, throat, and sinuses often do.

Tree pollen can be particularly frustrating because it may spike suddenly after a warm stretch. A few mild days can encourage plants to release pollen quickly, especially when dry and windy weather helps it travel. That means a seemingly harmless Saturday morning can become a nasal drama by lunchtime.

Grass Pollen Takes Over in Late Spring and Summer

Once tree pollen begins to fade, grass pollen often steps into the spotlight. Grass pollen can linger from spring through summer, depending on local weather and vegetation. Bermuda grass, ryegrass, timothy grass, Kentucky bluegrass, and orchard grass are among the common triggers.

The problem with grass pollen is that it loves outdoor plans. Picnics, baseball games, backyard grilling, jogging trails, and lawn mowing can all become more complicated when pollen counts are high. The grass may look greener on the other side, but it is still covered in pollen.

Weed Pollen and Ragweed Own the Fall

Late summer and fall bring weed pollen, especially ragweed. Ragweed is famous for causing misery because its pollen can travel long distances in the wind. A person may be nowhere near a ragweed plant and still experience symptoms after pollen travels through the air.

Ragweed season often continues until the first hard frost. In warmer regions, that can mean allergy symptoms hang around much longer than expected. The 2025 forecast warned that parts of the Tennessee Valley could see a possible “dual peak” of allergens due to late-summer moisture, while some coastal and southern regions could face an extended ragweed season.

Which U.S. Cities Had the Toughest Allergy Conditions in 2025?

The Asthma and Allergy Foundation of America released its 2025 Allergy Capitals report, ranking the 100 most-populated metropolitan areas in the contiguous United States based on pollen scores, allergy medicine use, and access to allergy specialists. Wichita, Kansas, ranked as the most challenging city for people with pollen allergies for the third consecutive year. Other high-ranking cities included New Orleans, Oklahoma City, Tulsa, Memphis, Little Rock, Raleigh, Richmond, Greenville, Greensboro, and Virginia Beach.

These rankings do not mean everyone in those cities will feel miserable every day. They simply show that certain locations may create tougher conditions for people who are sensitive to pollen. Local weather still matters. A rainy week may bring relief, while a dry and windy stretch can send pollen flying around like it just got a frequent-flyer membership.

Common Symptoms of High Pollen Exposure

Seasonal allergies, also known as allergic rhinitis or hay fever, happen when the immune system mistakes harmless pollen for a threat. The body releases chemicals such as histamine, and those chemicals help create the familiar allergy symptoms that can make even a beautiful spring afternoon feel like a personal insult.

Common pollen allergy symptoms include:

• Sneezing fits that arrive without warning
• Runny or stuffy nose
• Itchy nose, throat, ears, or roof of the mouth
• Red, itchy, watery eyes
• Postnasal drip
• Coughing caused by throat irritation
• Fatigue from poor sleep or constant congestion
• Head pressure or sinus discomfort

Pollen can also worsen asthma symptoms for some people. If seasonal allergies bring wheezing, chest tightness, shortness of breath, or frequent nighttime coughing, it is important to speak with a healthcare professional. Pollen exposure has been linked with asthma flare-ups and increased respiratory problems, especially among people who already have asthma or other breathing conditions.

How to Tell Whether It Is Allergies or a Cold

Allergies and colds can look annoyingly similar at first. Both can cause congestion, sneezing, and a runny nose. The difference often comes down to the pattern.

Allergies are more likely to cause itchy eyes, itchy nose, sneezing, and clear nasal drainage. They also tend to stick around as long as the trigger is present. Colds may include fever, body aches, sore throat, and thicker mucus, and they usually improve within a limited period.

Of course, the human body enjoys making things complicated. It is possible to have allergies and catch a cold at the same time, which is about as fun as stepping on a Lego while answering a work email.

How to Reduce Pollen Exposure at Home

You cannot place a giant dome over your home every spring, although many allergy sufferers have probably considered it. What you can do is reduce the amount of pollen that follows you indoors.

Keep Windows Closed During High-Pollen Days

Open windows may feel refreshing, but they can also invite pollen into your home. Use air conditioning when possible, especially during high-pollen periods. Keeping car windows closed can also reduce exposure during daily commutes.

Change Clothes and Shower After Being Outside

Pollen sticks to hair, skin, hats, shoes, jackets, and pets. Changing clothes after outdoor activities and showering before bed can reduce the amount of pollen transferred to your furniture and pillow. This is especially helpful for people who wake up congested after spending the previous day outdoors.

Use HEPA Filtration Strategically

A portable HEPA air purifier may help reduce airborne particles such as pollen in indoor spaces, especially bedrooms. It will not erase every allergen in your house, and it cannot remove pollen that has already settled into carpets or blankets, but it can be part of a useful indoor-air strategy.

Do Not Dry Laundry Outside During Peak Season

Fresh sheets dried in the sunshine sound lovely in theory. In pollen season, they can become outdoor souvenirs covered in invisible allergens. Dry laundry indoors or use a dryer when pollen counts are high.

Practical Tips for Surviving High Pollen Days

Managing allergies does not require turning into a full-time meteorologist, but checking the local pollen forecast can help you plan smarter. On dry, windy days, pollen may spread more easily. After rain, pollen levels may temporarily drop because rain helps wash particles out of the air. Mayo Clinic recommends limiting exposure during dry, windy conditions, avoiding activities such as mowing and weed pulling when possible, and checking local pollen forecasts before planning outdoor time.

Helpful strategies include:

• Checking pollen counts before outdoor workouts or yard work
• Wearing sunglasses outdoors to reduce eye exposure
• Wearing a mask when mowing, gardening, or raking leaves
• Keeping pets out of the bedroom after they have been outside
• Vacuuming regularly with a HEPA-filter vacuum
• Rinsing your face and hands after spending time outdoors
• Planning outdoor activities when local pollen levels are lower

Medication Options for Seasonal Allergies

For many people, avoidance measures are helpful but not enough. Over-the-counter and prescription treatments may reduce symptoms, especially when started before the season reaches its peak. Common options include oral antihistamines, nasal corticosteroid sprays, antihistamine nasal sprays, eye drops, and saline nasal rinses.

Nasal corticosteroid sprays can reduce inflammation and help with congestion, sneezing, and runny nose. Antihistamines may relieve itching, sneezing, and watery eyes. Saline rinses can help flush mucus and allergens from nasal passages. The U.S. Food and Drug Administration advises consumers to understand medication labels and talk with a healthcare professional about what is appropriate, especially for children, people with chronic conditions, and anyone using several medicines.

For people with persistent or severe pollen allergies, an allergist may recommend allergy testing and discuss immunotherapy, such as allergy shots or certain under-the-tongue tablets. Immunotherapy is designed to gradually reduce sensitivity to specific allergens over time. It is not a quick fix for tomorrow’s picnic, but it may provide lasting improvement for some patients.

When to See an Allergist

It may be time to see an allergist if your symptoms interfere with sleep, school, work, sports, or daily life; if over-the-counter options are not helping; if you have asthma symptoms; or if you are not sure what is triggering your reactions. Allergy testing can help identify whether tree pollen, grass pollen, ragweed, mold, dust mites, or another allergen is responsible.

A specialist can also help create a plan that fits your lifestyle. That matters because “avoid pollen” is technically good advice, but it is not especially useful when you have a job, a dog, a garden, kids, errands, or an understandable desire to occasionally exist outdoors.

What a High-Pollen Year Feels Like: Everyday Experiences and Lessons

A high-pollen season often begins quietly. One day, you are enjoying a pleasant morning walk. The next day, your car has a yellow-green coating that makes it look as though someone lightly dusted it with powdered mustard. You wipe it off, assume the problem is solved, and then realize the pollen is not merely decorating your vehicle. It is also floating through the air, hitchhiking on your jacket, and settling into your hair with the confidence of an unwanted houseguest.

For many people, the first sign is not sneezing. It is tiredness. Allergy symptoms can disrupt sleep, especially when nasal congestion makes breathing through the night more difficult. A person may wake up feeling as though they spent eight hours wrestling a stuffed-up nose instead of resting. That fatigue can make school, work, driving, exercise, and even basic conversations feel harder than usual.

Parents often notice the effect on children, too. A child who normally plays outside for hours may become cranky, rub their eyes frequently, or complain that their throat feels itchy. Teachers may see students who are distracted by sneezing, watery eyes, or fatigue. It is easy to dismiss these symptoms as a minor seasonal annoyance, but they can affect concentration and sleep. The same goes for adults trying to participate in meetings while strategically muting themselves every time a sneeze threatens to become a dramatic production.

Outdoor hobbies can become complicated during a bad pollen year. Gardeners may love spring flowers but develop a complicated relationship with lawn mowing. Runners may check pollen forecasts as carefully as they check the temperature. Dog owners may discover that their pet returns from a walk carrying enough pollen on its fur to qualify as a tiny, cheerful delivery service.

Many people learn that the best allergy strategies are less about one magic product and more about small routines. Checking the forecast before a hike, wearing sunglasses during windy days, changing clothes after gardening, washing hair before bed, and keeping windows closed during high-pollen periods can make a noticeable difference. These habits are not glamorous, but neither is spending an entire afternoon rubbing your eyes like you just watched the world’s saddest movie.

The most useful lesson from a strong pollen season is that preparation matters. Starting a recommended treatment plan before symptoms become severe, keeping medication available, and knowing personal triggers can help prevent an allergy flare from taking over the week. Pollen may be unavoidable, but suffering through it without a plan is not the only option.

Note: This article is for general educational purposes and is not a substitute for personalized medical advice. Seek medical care promptly for trouble breathing, wheezing, chest tightness, facial swelling, or severe allergy symptoms.

Editorial research note: This article synthesizes reporting and guidance from AccuWeather, the Asthma and Allergy Foundation of America, the CDC, the EPA, NIEHS, AAAAI, ACAAI, Mayo Clinic, FDA, MedlinePlus, Johns Hopkins Medicine, Cleveland Clinic, and the American Lung Association.