Particulate matter, especially fine particulate matter (PM2.5), is a major air pollutant that can cause respiratory problems such as asthma, bronchitis, and lung cancer.

Climate change can affect respiratory health in multiple ways, including increasing the risk of respiratory infections, leading to more extreme weather events that can trigger respiratory problems, and causing air pollution levels to rise.

Exposure to secondhand smoke, radon gas, and asbestos are all major risk factors for lung cancer.

To reduce your risk of respiratory problems caused by air pollution, you should stay indoors on days with high air pollution levels, wear a face mask when outdoors, and use an air purifier in your home.

Wheezing, coughing, and shortness of breath are all common respiratory symptoms of exposure to secondhand smoke.

Radon gas exposure increases the risk of lung cancer by damaging the DNA in lung cells.

Mesothelioma, asbestosis, and lung cancer are all common respiratory symptoms of exposure to asbestos.

The most effective way to reduce your risk of respiratory problems caused by smoking is to quit smoking.

Wheezing, coughing, and shortness of breath are all common respiratory symptoms of exposure to air pollution.

Climate change can affect the distribution of allergens in multiple ways, including causing allergens to become more widespread, more potent, and more allergenic.

Sneezing, runny nose, and itchy eyes are all common respiratory symptoms of exposure to mold.

Exposure to secondhand smoke increases the risk of asthma, bronchitis, pneumonia, and other respiratory problems in children.

Sneezing, runny nose, and itchy eyes are all common respiratory symptoms of exposure to dust mites.

Climate change can affect the distribution of air pollution in multiple ways, including causing air pollution to become more widespread, more concentrated, and more toxic.

Sneezing, runny nose, and itchy eyes are all common respiratory symptoms of exposure to pet dander.