Air Quality in Hillingdon, United Kingdom
1 — recorded here, since 2 July 2026
No events recorded in the last 30 days. Most recent: 2 July 2026 (60 days ago).
Recent events
- Hazardous Air Quality (AQI 999)2 July 202610:00 UTCcriticalCS 26
1 — recorded here, since 2 July 2026
No events recorded in the last 30 days. Most recent: 2 July 2026 (60 days ago).