ASHRAE Journal - June 2023 - 32

IEQ APPLICATIONS
Column
Health Impacts of
Indoor PM2.5 and
Need for Particulate
Matter Control in
Occupied Spaces
HOY BOHANON, P.E., LEED-AP, MEMBER ASHRAE; MEGHAN MCNULTY, P.E., MEMBER ASHRAE; MARWA ZATAARI, PH.D., ASSOCIATE MEMBER ASHRAE
The impact of exposure to airborne particles on human health has been recognized
since the time of Hippocrates in ancient Greece (430 BC).1 As we spend more of
our time indoors,2 control of airborne particles and exposure indoors has become
increasingly important. The ASHRAE Environmental Health Committee (EHC) issued
an emerging issues brief in April 2022 addressing particulate matter (PM) health
concerns.3 This column covers why it's time to reduce indoor PM exposure.
According to the World Health Organization (WHO),4
" Mortality does not give a complete picture of the
burden of disease borne by individuals in different
populations. The overall burden of disease is assessed
using the disability-adjusted life year (DALY), a timebased
measure that combines years of life lost due to
premature mortality and years of life lost due to time
lived in states of less than full health, or years of healthy
life lost due to disability. One DALY represents the loss of
the equivalent of one year of full health.
Using DALYs, the burden of diseases that cause
32
ASHRAE JOURNAL ashrae.o rg
J U N E 2023
premature death but little disability (such as drowning
or measles) can be compared to that of diseases that do
not cause death but do cause disability (such as cataracts
causing blindness). "
The aggregate harm done to the population from air
indoors, measured in DALYs, is dominated by exposure
Hoy Bohanon, P.E., is president of Hoy Bohanon Engineering PLLC in Lexington, N.C.,
and a former chair of ASHRAE SSPC 62.1 and past member of SSPC 62.2 and the
Environmental Health Committee. Meghan Kara McNulty, P.E., is a senior project
engineer at Servidyne in Atlanta. She is a voting member of SSP C62.1. Marwa Zaatari,
Ph.D., is chief science officer of Dzine Partners, LLC in Austin, Texas, and a member of
the EHC, a voting member of SSPC 62.1, and chair of TC 2.3.

http://ashrae.org

ASHRAE Journal - June 2023

Table of Contents for the Digital Edition of ASHRAE Journal - June 2023

Contents
ASHRAE Journal - June 2023 - Intro
ASHRAE Journal - June 2023 - Cover1
ASHRAE Journal - June 2023 - Cover2
ASHRAE Journal - June 2023 - 1
ASHRAE Journal - June 2023 - Contents
ASHRAE Journal - June 2023 - 3
ASHRAE Journal - June 2023 - 4
ASHRAE Journal - June 2023 - 5
ASHRAE Journal - June 2023 - 6
ASHRAE Journal - June 2023 - 7
ASHRAE Journal - June 2023 - 8
ASHRAE Journal - June 2023 - 9
ASHRAE Journal - June 2023 - 10
ASHRAE Journal - June 2023 - 11
ASHRAE Journal - June 2023 - 12
ASHRAE Journal - June 2023 - 13
ASHRAE Journal - June 2023 - 14
ASHRAE Journal - June 2023 - 15
ASHRAE Journal - June 2023 - 16
ASHRAE Journal - June 2023 - 17
ASHRAE Journal - June 2023 - 18
ASHRAE Journal - June 2023 - 19
ASHRAE Journal - June 2023 - 20
ASHRAE Journal - June 2023 - 21
ASHRAE Journal - June 2023 - 22
ASHRAE Journal - June 2023 - 23
ASHRAE Journal - June 2023 - 24
ASHRAE Journal - June 2023 - 25
ASHRAE Journal - June 2023 - 26
ASHRAE Journal - June 2023 - 27
ASHRAE Journal - June 2023 - 28
ASHRAE Journal - June 2023 - 29
ASHRAE Journal - June 2023 - 30
ASHRAE Journal - June 2023 - 31
ASHRAE Journal - June 2023 - 32
ASHRAE Journal - June 2023 - 33
ASHRAE Journal - June 2023 - 34
ASHRAE Journal - June 2023 - 35
ASHRAE Journal - June 2023 - 36
ASHRAE Journal - June 2023 - 37
ASHRAE Journal - June 2023 - 38
ASHRAE Journal - June 2023 - 39
ASHRAE Journal - June 2023 - 40
ASHRAE Journal - June 2023 - 41
ASHRAE Journal - June 2023 - 42
ASHRAE Journal - June 2023 - 43
ASHRAE Journal - June 2023 - 44
ASHRAE Journal - June 2023 - 45
ASHRAE Journal - June 2023 - 46
ASHRAE Journal - June 2023 - 47
ASHRAE Journal - June 2023 - 48
ASHRAE Journal - June 2023 - 49
ASHRAE Journal - June 2023 - 50
ASHRAE Journal - June 2023 - 51
ASHRAE Journal - June 2023 - 52
ASHRAE Journal - June 2023 - 53
ASHRAE Journal - June 2023 - 54
ASHRAE Journal - June 2023 - 55
ASHRAE Journal - June 2023 - 56
ASHRAE Journal - June 2023 - 57
ASHRAE Journal - June 2023 - 58
ASHRAE Journal - June 2023 - 59
ASHRAE Journal - June 2023 - 60
ASHRAE Journal - June 2023 - 61
ASHRAE Journal - June 2023 - 62
ASHRAE Journal - June 2023 - 63
ASHRAE Journal - June 2023 - 64
ASHRAE Journal - June 2023 - 65
ASHRAE Journal - June 2023 - 66
ASHRAE Journal - June 2023 - 67
ASHRAE Journal - June 2023 - 68
ASHRAE Journal - June 2023 - 69
ASHRAE Journal - June 2023 - 70
ASHRAE Journal - June 2023 - 71
ASHRAE Journal - June 2023 - 72
ASHRAE Journal - June 2023 - Cover3
ASHRAE Journal - June 2023 - Cover4
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