πŸ“ North West London Borough - Population 264,000

Harrow Air Quality 202515.2% NOx Reduction + ULEZ Impact Monitor

Check Harrow air quality in real-time with live PM2.5, NO2, and pollution monitoring. 15.2% NOx reduction - top 5 London improvement. ULEZ expansion driving continued progress.

Live Air Quality

Real-Time Air Quality Monitor

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🏘️ Harrow Air Pollution Overview

Harrow has improving air quality with 15.2% NOx reduction in 2024 - among top 5 boroughs for improvement following ULEZ expansion. The borough's 264,000 residents across Harrow on the Hill, Wealdstone, Stanmore, Pinner, and Rayners Lane benefit from ULEZ enforcement (Β£12.50 daily charge for non-compliant vehicles since Aug 2023) and London-wide clean air initiatives.

Harrow Air Quality Improvements 2024

  • β€’ 15.2% NOx Reduction: Among top 5 boroughs for improvement post-ULEZ
  • β€’ ULEZ Coverage: Β£12.50 daily charge for non-compliant vehicles since Aug 2023
  • β€’ London-Wide Progress: 27% NO2 decrease across all London (roadside)
  • β€’ Outer London PM2.5: 31% lower from vehicle exhausts vs without ULEZ
  • β€’ Population 264,000: All Harrow districts benefiting from improvements
  • β€’ Most Religiously Diverse: UK's most diverse local authority improving air

🏠 Indoor Air Quality Protection for Harrow