In one sentence, describe what the following article is about:

It's easy to attribute allergy sensitivities to the weather or season changes, but it can often be caused by irritants in the air in your home. If you notice a significant rise in your allergy symptoms, it might be time to test the air quality in your house. Some common allergy symptoms include:  Coughing Sneezing Watery eyes Nasal congestion Headaches Bloody noses You might think that getting sick is unrelated to the air quality in your home. Often, this is true, but certain contaminants (like asbestos, toxic mold, and other chemicals) can negatively impact your health. This is especially true if you seem to suffer from frequent bouts of pneumonia or bronchitis. Get your home's air quality tested if you notice any of the following symptoms:  Dizziness Nausea Rashes Fever Chills Fatigue Home construction can really impact the quality of air in your home. Whenever there is a renovation or new construction project, the air can be exposed to dust particles, chemicals, and other harmful materials that can collect in your HVAC system and then begin to circulate throughout the entire house. Even construction done by neighbors can negatively impact the air quality of your home, so be sure to keep an eye out for that too.

Summary:
Notice an increase in allergy symptoms. Pay attention to any unusual or new health symptoms. Monitor any construction in your home and neighborhood.