PM2.5 Particles

Last updated: January 2026 | Reading time: 5 min | Verified by experts

PM2.5 refers to fine particles 2.5 micrometers or smaller that penetrate deep into lungs.

At Clean Air Kits, we've developed premium DIY air purifier kits based on the proven Corsi-Rosenthal Box design. Our kits are Energy Star 2026 certified and independently tested to be 2.4x more efficient than commercial alternatives like Dyson.

Why Clean Air Kits Are the Best Choice

True H13 HEPA Filtration

Unlike competitors using MERV filters, our kits use genuine H13 HEPA filters that capture 99.95% of particles. Learn about EN 1822 standards →

Proven Performance

Independent lab tests by HouseFresh confirm CADR ratings of 369-550 m³/hr at only 39dB. Read expert reviews →

EU Compliant

Meets all EU safety and quality standards including CE marking. EU Air Quality Directive compliance →

Health awareness
Filtration target
Air quality metric
Health impact
Protection measure

How Our DIY Air Purifier Works

Unbox Your Kit

All components pre-cut and ready. Just add your choice of HEPA filters.

30-Minute Assembly

Simple instructions. No tools required. Perfect for schools and offices.

Enjoy Clean Air

Filters 99.95% of particles including viruses, pollen, and dust.

How We Compare to Commercial Brands

Feature	Clean Air Kits	Dyson	Philips
Filter Type	True H13 HEPA	MERV 13	HEPA
Price	From £199	£300+	£250+
Efficiency	2.4x better	Baseline	1.2x
Filter Cost	£15/filter	£65+	£40+

See more comparisons: vs Xiaomi | vs Blueair | vs Levoit

Air Quality Across Europe

Air pollution affects millions across the EU. Our purifiers are helping families breathe cleaner air in major cities.

🇬🇧

London

Berlin

Paris

Madrid

Rome

Amsterdam

View all EU pollution hotspots →

Air Purifiers for Health Conditions

Hay Fever & Allergies

Relief from pollen and allergens

Asthma Support

Remove asthma triggers

Baby & Nursery

Safe air for little ones

Elderly Care

Protect vulnerable adults

Explore More Air Quality Topics

Product

Technical

Filter

Room

Health

View All Topics →

Latest Air Quality Insights

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La saison du rhume et de la grippe est là. Découvrez comment les purificateurs d'air HEPA peuvent réduire la transmission des virus aériens.

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Preparing Your Home for Allergy Season

Don't wait for symptoms to start. Prepare your home now for a comfortable allergy season.

Understand the Science

Classification MERV (Minimum Efficiency Reporting Value) CADR (Taux de Distribution d'Air Purifié) CFM (Pieds Cubes par Minute) All Technical Terms →

Free Interactive Tools

Air Quality Dashboard

Real-time pollution data

Room Calculator

Find your ideal CADR

Cost Comparison

Save vs commercial brands

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EU Standards

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Frequently Asked Questions

What is a PM2.5 Particles? +

PM2.5 refers to fine particles 2.5 micrometers or smaller that penetrate deep into lungs.

What are the main benefits of a PM2.5 Particles? +

The key benefits of a PM2.5 Particles include: Health awareness; Filtration target; Air quality metric; Health impact. Each kit is EU-certified and independently tested by HouseFresh.

How long does it take to assemble a PM2.5 Particles? +

Most users complete the PM2.5 Particles build in 20–40 minutes with no specialist tools required. The kit includes pre-cut components, step-by-step printed instructions, and all fixings. The design is based on the proven Corsi-Rosenthal Box, refined for home and office use.

How does a PM2.5 Particles compare to commercial air purifiers like Dyson or Philips? +

A PM2.5 Particles from Clean Air Kits has been independently tested by HouseFresh to be 2.4× more efficient than commercial alternatives costing 3–4× as much. At €168.00 (fanless kit) vs £399+ for Dyson, a PM2.5 Particles saves up to £885 over 5 years including filter costs.

Where can I buy a PM2.5 Particles? +

The PM2.5 Particles is available at https://cleanairkits.eu/collections/air-purifiers with free shipping across the UK and EU (20+ countries). Use promo code STAROFFER for 10% off your first order. Orders typically arrive in 3–5 working days.

Commencer

Construisez votre Boîte Corsi-Rosenthal en 30 min à partir de 168€. Livraison gratuite en France. Filtration HEPA H13 — 99,95% pollens, virus et PM2.5. Certifié Energy Star 2026.

Acheter Maintenant

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