Most Wanted

Meet the Villains

Five invisible threats hiding in your air right now. We gave them names, faces, and wanted posters — so you know exactly what you're up against.

🍄 Molly Mold 🐛 Dusty Mite 🦠 Vera Virus 🌿 Polly Pollen ⚗️ Becky Bacteria
The Fab Five Villains — Molly Mold, Dusty Mite, Vera Virus, Polly Pollen, Becky Bacteria

Your home's air is an active battlefield. Mold, dust mites, airborne viruses, pollen, and bacteria infiltrate every room — triggering allergies, respiratory issues, and long-term health consequences. PurityGuardian identifies these threats by name, measures them, and tells you exactly how to neutralize each one.

🍄
Molly Mold
The Silent Spreader
Primary Threat
Mold Spores & Mycotoxins

Molly thrives wherever moisture lingers — basements, bathrooms, HVAC drain pans, and anywhere a leak once happened. She spreads silently through your ventilation system, releasing spores that trigger asthma attacks, persistent coughing, and immune suppression. You often don't see her until the damage is done.

Key Sensor Humidity >60%
Risk Level High year-round
EPA Standard 30–50% RH target
🛡️
Guardian Response Keep indoor humidity between 30–50%. MERV-13 filters capture spores ≥1μm. A dehumidifier in moisture-prone areas denies Molly the environment she needs to grow.
🐛
Dusty Mite
The Everywhere Enemy
Primary Threat
Dust, Allergens & Particulate Matter (PM2.5)

Dusty is your most persistent opponent. Every surface, every pet, every open window is his recruitment ground. He travels on HVAC airflow, settles on pillows and carpets, and launches allergens directly into your airways. If anyone in your home sneezes the moment they wake up, Dusty was there first.

Key Sensor PM2.5 & PM10
Risk Level Constant indoor
EPA AQI PM2.5 <12 μg/m³
🛡️
Guardian Response MERV-11 catches most household dust; MERV-13 captures fine particulates down to 1μm. Replace filters every 60–90 days. HEPA air purifiers in bedrooms deliver a decisive knockdown.
🦠
Vera Virus
The Airborne Attacker
Primary Threat
Airborne Pathogens & Viral Aerosols

Vera is tiny — 0.1–0.3μm — and she rides aerosol droplets that hang in poorly ventilated rooms for hours. Flu season, RSV, and similar respiratory viruses are all in her arsenal. Dense occupancy and low air exchange rates are her favorite conditions. She's invisible, fast-moving, and thrives wherever people breathe together.

Key Sensor CO₂ (ventilation)
Risk Level Peak fall–winter
CDC/NIOSH CO₂ <1000 ppm
🛡️
Guardian Response CO₂ levels above 1,000 ppm signal Vera-friendly air. Increase ventilation, use MERV-13+ filtration, and UV-C air purifiers. Fresh air exchanges are your fastest neutralizer.
🌿
Polly Pollen
The Seasonal Striker
Primary Threat
Seasonal Pollen & Outdoor Allergens

Polly launches her assault every spring and fall, hitching rides through open windows, on clothes, and on pet fur. She targets hay fever sufferers with surgical precision — triggering sneezing, itchy eyes, and asthma flares that last for months. Unlike indoor threats, she's driven by the weather outside, making PurityGuardian's live AQI data your seasonal intelligence advantage.

Key Sensor Outdoor AQI
Risk Level Seasonal spikes
EPA AQI Target <50 Good
🛡️
Guardian Response Keep windows closed on high-pollen days (check the live dashboard). Run a MERV-11 or higher filter on your HVAC. A HEPA purifier near entry points captures Polly before she crosses your threshold.
⚗️
Becky Bacteria
The Invisible Invader
Primary Threat
Airborne Bacteria & Biocontaminants

Becky is the most underestimated villain of the five. She colonizes HVAC coils, drain pans, humidifiers, and aging building materials. Legionella in water systems, Staphylococcus on surfaces, and mycobacteria in biofilm — all Becky. She flourishes in older buildings and spreads silently through ductwork. You won't smell her, taste her, or see her until someone gets sick.

Key Sensor VOCs & CO₂
Risk Level High in older builds
CDC/NIOSH HVAC hygiene req'd
🛡️
Guardian Response Annual HVAC coil and drain pan cleaning. UV-C sterilization inside air handlers. MERV-13 filtration captures bacterial particles 1–3μm. Elevated VOC readings in your IAQ report can be Becky's fingerprint.
⚔️ Arm Yourself Against the Fab Five

Know which villains are in YOUR home

Take the 5-question threat assessment to find out which villains have infiltrated your space — and get an exact defense loadout to neutralize them.