INCREASE IN VENTILATION CAN INCREASE THE CONCENTRATION OF SOME AIR POLLUTANTS.BUILDINGS TEND US TO SHIELD FROM OZONE HOWEVER INCREASE IN VENTILATION CAN CAUSE INCREASE IN CONCENTRATION OF OZONE.OZONE EFFECTS THE FUNCTIONING OF LUNGS.
ASTHMA IS A CONDITION OF CHRONIC SWELLING OF AIRWAYS.THIS IS CAUSED BY POLLEN GRAINS ,DUST PARTICLES PM2.5.IT OBSTRUCTS THE PATHWAY FOR AIR.IT IS EXPECTED TO GROW TO 100 MILLION BY 2025.THE ANNUAL ECONOMIC COST OF ASTHMA IS $20 MILLION
BRONCHIECTASIS IS PERMANENT ENLARGEMENT OF BRONCHI.ACCORDING TO A SURVEY INCREASE IN THE LEVEL OF PM2.5 CAUSES EXTREME CONDITION OF BRONCHIECTASIS WHICH MAY RESULT IN DEATH.
BRONCHIECTASIS HAS NO KNOWN CURE.
OVER 4 MILLION PEOPLE DIE DUE TO HOUSEHOLD POLLUTION FROM COOKING WITH SOLID FUEL
MORE THAN 50% PREMATURE DEATHS UNDER 5 ARE DUE TO PNUEMONIA CAUSED BY PARTICULATE MATTER
3.8 MILLION DEATH FROM NON COMMUNICABLE DISEASES ARE DUE TO EXPOSURE OF INDOOR AIR POLLUTION
IT IS CAUSED FROM POORLY VENTILATED KITCHENS CAUSING INCREASING IN LEVEL OF AIR POLLUTION.PEOPLE WHO LIVE IN LARGER CITY HAVE A GREATER RISK OF COPD.IT CAUSES BLOCKING OF AIRWAYS AND ULTIMATELY LEAD TO DEATH AT EXTREME CONDITIONS.