What kind of gases are monitored in Indoor Air Quality(IAQ)?
Common Gases Monitored in Indoor Air Quality (IAQ) Carbon Dioxide (CO₂) High levels can indicate poor ventilation and cause drowsiness 400–1,000 ppm (normal) 1,000–1,500 ppm (stuffy air, poor ventilation) Human breathing, cooking, burning candles, poor ventilation Carbon Monoxide (CO) A toxic gas that can lead to poisoning if present in high concentrations. 0–5 ppm (normal), 5–15 ppm (near stoves, fireplaces) Gas stoves, fireplaces, furnaces, water heaters, tobacco smoke, car exhaust (if garage is attached) V olatile Organic Compounds (VOCs) Emitted from paints, cleaning supplies, furniture, and other household products, they can cause headaches and long-term health issues. 50–300 ppb (typical home) Paints, varnishes, air fresheners, cleaning products, furniture, carpets, adhesives, personal care products Formaldehyde (HCHO) A specific VOC found in building materials and furniture that can irritat...