Air Quality in HounslowLive Monitor & 2026 Guide
Southwest London borough directly under Heathrow approach, significant aviation pollution.
Live Air Quality
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📊 Hounslow Air Quality Facts
- 👥Population: 271,523
- 🏛️Council: London Borough of Hounslow
- ⚠️AQMA Status: Borough-wide AQMA - Heathrow flight paths major factor
- 🏥Health: 8.1% adult asthma prevalence, above average
🚗 Main Pollution Sources
- Heathrow Airport
- A4 Great West Road
- M4 motorway
- A316
These sources contribute to elevated NO2 and PM2.5 levels, particularly during rush hours.
📅 Seasonal Air Quality Patterns
Winter (Dec-Feb) and Spring (Mar-May)
Summer (Jun-Aug)
Winter heating and spring pollen combine with traffic emissions. Cold, still weather traps pollutants.
🌬️ Protect Your Indoor Air in Hounslow
Indoor air can be 2-5x more polluted than outdoor air. Our DIY air purifiers with MERV13/HEPA filters remove 99%+ of PM2.5, pollen, and allergens for a fraction of commercial purifier costs.
❓ Frequently Asked Questions
What is the current air quality in Hounslow?
Use our live monitor above to check real-time air quality in Hounslow. We display PM2.5, NO2 levels, and the UK Daily Air Quality Index (DAQI) with health recommendations.
Does Hounslow have an Air Quality Management Area (AQMA)?
Borough-wide AQMA - Heathrow flight paths major factor
What causes pollution in Hounslow?
Main pollution sources in Hounslow include: Heathrow Airport, A4 Great West Road, M4 motorway, A316.
How can I protect my family from poor air quality in Hounslow?
Run a HEPA or MERV13 air purifier during high pollution days. Our DIY purifiers from £149 provide 4-6 air changes per hour for typical rooms. Use our ACH calculator to find the right size.
Nearby Areas
Helpful Resources
Health Conditions Hub
Air quality guides for asthma, allergies, COPD & more
Best Air Purifier for Asthma
NHS-aligned guide to reducing asthma triggers by 60-95%
ACH Calculator
Calculate air changes per hour for your room in 10 seconds
Air Purifier for Hayfever
Remove 95% of pollen with HEPA & MERV13 filters