The outdoor temperature isn’t the only part of winter that becomes more difficult. Winter is also a season when indoor air quality for homes suffers steep drops. Poor IAQ can strike at any time of the year (spring brings serious allergy problems), but the issue is most consistent and predictable during the coldest months of the year.
Why Indoor Air Quality Drops in Winter
You probably think of winter as a time when colds and cases of flu are more common. This is true, and you would still have to face various illnesses during the season no matter the quality of your home’s air. But there are specific reasons for the negative impact on household air at this time—lack of fresh air circulation and unhealthy contaminants trapped indoors.