Discover practical tips to improve indoor air quality and manage allergies during the monsoon season, ensuring a healthier home year-round.

Published on: Aug 25, 2026, 20:20:49 IST

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Delhi’s air pollution problem doesn’t disappear with the monsoon. The capital recorded an average AQI of 119 in July 2026, making it the city’s most polluted July in six years, despite the onset of the rainy season. While heavy rainfall temporarily improved air quality on some days, prolonged dry spells allowed pollutants and dust to build up again, underscoring how weather conditions can influence, but not eliminate, the city’s air pollution challenge. The implications of this seasonal shift extend beyond outdoor air.

During the monsoon, changes in humidity, ventilation, and indoor conditions can also affect indoor air quality. Maintaining indoor air quality becomes an important part of a year-round approach to healthier living, rather than a concern limited to Delhi’s winter pollution season. To explain how the monsoon can affect indoor air quality, Ninad Shitoot, Lead Design Engineer, outlines seasonal changes that can influence the indoor environment and shares practical steps to manage it.

Why don't air quality challenges end with winter?

Many people assume heavy rains substantially cleanse the atmosphere. However, they remove only about 30% of larger particles (PM2.5) from the air, with little effect on smaller particles. Delhi’s July air quality highlights this, with the city recording its highest average AQI in six years despite above-normal monsoon rainfall.

"However, the air inside our homes is also influenced by seasonal changes. During the monsoon, higher humidity and reduced ventilation can alter the indoor environment, making it important to pay equal attention to the quality of the air we breathe indoors. Air quality should be viewed as a year-round consideration, not just a seasonal concern,” Dr Priyanka Kulshrehsta, Indoor Air Quality Expert, tells Health Shots.

Tips to manage monsoon allergies

Dr Priyanka Kulshrehsta, Indoor Air Quality Expert, shares practical tips to help reduce indoor allergens and maintain healthier indoor air during the monsoon.

Purify the air indoors

TheDyson HushJet™ Compact Purifier is engineered to deliver powerful whole-room purification in a compact form factor. Featuring Dyson's unique HushJet™ air projection technology, it draws in polluted air and projects purified air across the room while operating as quietly as 24dB in Sleep mode. At the same time, an activated carbon filter helps reduce odors and gases, making it well-suited for maintaining cleaner indoor air during the monsoon.

Clean what cleans your home

None of this works if the filters doing the capturing are themselves clogged. Delhi's July air quality reminds us that pollution isn't a winter-only concern.

(Disclaimer: This article is for informational purposes only and is not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.)

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