Accredited by NABL vide Certificate No.TC-10583, ISO 9001:2015, OHSAS - IS 45001:2018




Indoor Air Quality

Indoor Air Quality monitoring is the key step to ensure cleanliness of the air. People usually spend most of their time at homes, offices, and other indoor environments.

In fact, some kinds of air pollution can be worse indoors than outdoors, such as tobacco smoke, mould, and chemicals released from synthetic fabrics, furnishings and Household Products.

If the air we breathe every minute in the respected areas is poor, it causes several adverse health effects. So, Vijaya Enviro Labs is giving you the best service with sophisticated Indoor Air Quality Equipment to monitor the air as per OSHA and NIOSH requiremnts, giving accurate results and advice the customers or public.


Indoor Air Quality refers to the nature of conditioned air that circulates throughout the space/area where we work and live, that is, the air we breathe during most of our lives. Indoor Air Quality, refers not only to comfort, which is affected by temperature, humidity and odors, but, also to harmful biological contaminants and chemicals present in the conditioned space.

In a conditioned space, since free passage of air is limited, with little or inadequate fresh air ventilation, it produces an indoor air environment with relatively high levels of contaminants, bacteria, fungi and dust. The indoor air will certainly have all of the pollutants of the outdoor or surrounding air and those, that are generated within the building by people and their activities like smoking, hair sprays, cleaning products, paints and pesticides spray residues, carpeting, copy machines and air-conditioning coolants. As a result, Indoor air may contain concentration of some components which are greater than the outdoors ambient air. The composite effect of multiple pollutants can seriously impact human respiratory systems leading to various short term and long term illness.

The presence of acute non specific symptoms in the majority of people, caused by working in buildings with an adverse indoor environment that causes Sick building Syndrome. It was a cluster of complex irritative symptoms like irritation of the eyes, blackened nose and throat, headaches, dizziness, lethargy, fatigue irritation, wheezing, sinus, congestion, dry skin, skin rash, sensory discomfort from odors and nausea.

CO2 , Carbon dioxide is recognized by ASHRAE as the surrogate ventilation index or the only measurable variable. CO2 levels in an air conditioned room are a good indicator of occupancy and ventilation rate within a space. CO2 by itself is not considered an inddor air contaminant and humans are the major source of CO2. However, if, CO2 levels in a room are higher than 1000 ppm, then it is an indication that not enough air is coming in to dilute the CO2 level. The indoor air is being recirculated and the level of other pollutants is also high. Measurement of CO2 is easy and Vija Enviro Labs has the latest instruments with calibration cerficates to measure it within the enclosed space.

Along with CO2, We can also measure CO, O2, VOC, Relative Humidity, Temperature, Particulate Matter and Micro-organisms such as Staphylococcus, Streptococcus, Legionella which causes respiratory diseases, Total Bacterial Count, Yeasts & Molds etc., according to ASHRAE requirement.

ASHRAE – The American Society for Heating, Refrigeration and Air Conditioning Engineers standard carries significant weight because its existing standard has become the most widely used and cited document for Indoor Air Quality in the world.