First pollen calendar

• Chandigarh now has its first pollen calendar, which can identify potential allergy triggers and provide a clear understanding for clinicians as well as allergy sufferers about their causes to help limit their exposure during high pollen loads.

About:

• About 20-30% of the population suffers from allergic rhinitis/hay fever in India, and approximately 15% develop asthma.

• Pollens are considered major outdoor airborne allergens responsible for allergic rhinitis, asthma, and atopic dermatitis in humans.

• Pollen calendars represent the time dynamics of airborne pollen taxa in graphical form in a particular geographical area. They yield readily accessible visual details about various airborne pollen taxa present throughout the year, with their seasonality in a single picture.

• Pollen calendars are location-specific, with concentrations closely related to locally distributed flora.

• Department of Community Medicine and School of Public Health, PGIMER, Chandigarh, examined the seasonal periodicities of airborne pollen spectrum and developed the first Pollen Calendar for Chandigarh city.

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Mains Paper 3: Economy

Prelims level: pollen calendar

Mains level: Read the newsfeed

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