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New report ranks Philadelphia and Allentown among toughest cities in America for people with asthma

New report ranks Philadelphia and Allentown among toughest cities in America for people with asthma

  • Asthma Capital Report: Philadelphia ranks No. 4 among the toughest cities for people with asthma in the US, according to the Asthma and Allergy Foundation of America’s 2025 report.
  • Allentown has improved its ranking from No. 1 in 2024 to No. 3, while Philadelphia’s ranking has worsened by one place compared to last year.
  • The September asthma peak month is a challenging time for many asthma patients, with high rates of asthma attacks and hospital visits nationwide due to triggers like fall pollen, mold levels, and poor indoor air quality in schools.
  • Asthma medication affordability remains a significant issue, with some inhalers costing thousands of dollars per year, although resources like GoodRx can help patients compare prices across pharmacies.
  • Pennsylvania lawmakers can take steps to address the asthma crisis by passing legislation that imposes price caps on certain types of asthma medication and offering funding or incentives for schools to upgrade their ventilation systems and improve indoor air quality.

The top 5 'asthma capitals' in the U.S. are Detroit, Rochester, Allentown, Philadelphia and Cleveland, according to the Asthma and Allergy Foundation of America's 2025 report. Terry Vine/DigitalVision Collection via Getty Images

Philadelphia has once again been named one of the “asthma capitals” of the U.S. – ranking No. 4 in a report released on Sept. 9, 2025, by the Asthma and Allergy Foundation of America. Allentown was ranked No. 3, Harrisburg No. 15 and Pittsburgh No. 44.

The AAFA, which is the largest patient group in the country for people with asthma and allergies, ranks cities based on “how challenging they are to live in” for people with asthma. The ranking combines data on asthma prevalence rates, visits to the ER and deaths related to asthma.

Compared with 2024 data, Allentown’s ranking has improved: It went from No. 1, a position now occupied by Detroit, to No. 3. Philadelphia is doing worse, one place higher than in 2024.

I am a health law professor and the director of the Health Innovation Lab at Villanova University, where I have researched ways to make asthma medication more affordable for patients.

Here are some steps that individuals, schools and state leaders in Pennsylvania can take to reduce asthma triggers and the cost of asthma medications in their families and communities.

The September asthma peak in Pennsylvania

The ranking was published at an especially challenging time of the year for many asthma patients.

September is known as the “asthma peak month.” The third week of September typically registers the highest number of asthma attacks, as well as asthma-related hospital and ER visits, nationwide.

Asthma triggers include fall pollen and mold levels, which start increasing in the late summer and stay high through early fall.

Also contributing to the September asthma peak is poor indoor air quality, especially in older or poorly maintained school buildings where children are exposed to concentrated amounts of allergens and irritants.

A report released in August 2025 found that Pennsylvania schools face a variety of asthma triggers, such as exposure to radon, mold and lead paint. Yet, less than 4% of schools in Pennsylvania have an indoor air quality plan. The problem is especially acute in cities like Philadelphia, where many school buildings are over 70 years old and in disrepair.

Solving a problem as complex and widespread as asthma may require taking creative steps. These include initiatives led by schools and students. For example, students in Australia led a successful initiative to improve air quality around their schools by having parents cut down on engine idling time.

Former president Joe Biden speaks at podium alongside digital screen that says 'Lowering the cost of inhalers'

Speaking at the White House in 2024, former President Joe Biden credits Vermont senator Bernie Sanders with helping lower the cost of asthma inhalers from three of the four top companies to just $35 per month.
Chip Somodevilla via Getty Images

Affordable asthma medications

Asthma patients often need medication to manage their symptoms. Yet, over the past 15 years that medication has become increasingly unaffordable.

Last year, some pharmaceutical companies capped the price of their asthma inhalers at US$35 each.

But not all types of inhalers are covered. And other asthma medications, such as some drugs taken orally, remain unaffordable for many patients. Asthma drugs that are not subject to a price cap or other type of price control may cost patients thousands of dollars a year.

There are resources for asthma patients and parents of children with asthma that may help them save some money when filling their prescriptions. A good starting point is GoodRx, a free online platform that allows users to search and compare medication prices across pharmacies. The website currently lists 65 different types of asthma medication and their varying prices.

What Pennsylvania lawmakers can do

Since price caps don’t apply to all types of inhalers and asthma medication, states can pass legislation that imposes such caps, instead of relying solely on industry compliance. Before there was a federal Medicare price cap on insulin, several states took this route and implemented state caps.

Some states have now begun passing similar legislation for certain types of asthma medication. Minnesota, for instance, beginning Jan. 1, 2025, capped inhalers at $25, lower than the industry cap. Pennsylvania could follow suit and even consider asthma medication besides inhalers.

Pennsylvania can also address other facets of the asthma crisis. For instance, the state could offer funding or other incentives for schools to upgrade their ventilation systems or otherwise address poor indoor air quality.

Read more of our stories about Philadelphia.

The Conversation

Ana Santos Rutschman does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

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Q. What is the Asthma and Allergy Foundation of America’s (AAFA) ranking system for cities with asthma?
A. The AAFA ranks cities based on how challenging they are to live in for people with asthma, combining data on asthma prevalence rates, visits to the ER, and deaths related to asthma.

Q. Which cities in the US have been ranked as the top 5 “asthma capitals” by the AAFA in its 2025 report?
A. The top 5 asthma capitals in the US are Detroit, Rochester, Allentown, Philadelphia, and Cleveland.

Q. How has Allentown’s ranking changed compared to last year’s data?
A. Allentown’s ranking has improved from No. 1 to No. 3, while Philadelphia’s ranking has worsened by one place.

Q. What is the “asthma peak month” in the US, and why does it typically occur in September?
A. September is known as the “asthma peak month” because it typically registers the highest number of asthma attacks, hospital and ER visits, nationwide, due to factors such as fall pollen, mold levels, and poor indoor air quality.

Q. What are some common asthma triggers that contribute to the September asthma peak?
A. Asthma triggers include fall pollen, mold levels, and poor indoor air quality, especially in older or poorly maintained school buildings where children are exposed to concentrated amounts of allergens and irritants.

Q. How many schools in Pennsylvania have an indoor air quality plan, according to a report released in August 2025?
A. Less than 4% of schools in Pennsylvania have an indoor air quality plan.

Q. What is one way that students in Australia led a successful initiative to improve air quality around their schools?
A. Students in Australia had parents cut down on engine idling time, which helped improve air quality around their schools.

Q. How much did the price of asthma inhalers decrease after some pharmaceutical companies capped their prices at $35 each?
A. The price of asthma inhalers decreased from an unknown amount to $35 per month for some types of inhalers.

Q. What is GoodRx, and how can it help asthma patients save money on medication?
A. GoodRx is a free online platform that allows users to search and compare medication prices across pharmacies, currently listing 65 different types of asthma medication and their varying prices.

Q. Can states pass legislation to impose price caps on asthma medications, rather than relying solely on industry compliance?
A. Yes, some states have already passed legislation to impose price caps on certain types of asthma medication, such as Minnesota’s cap on inhalers at $25 per month.