Watford, United Kingdom Air Quality

As of 7:05 AM
Air quality index50Good

Air quality is great — a good day to be outside.

Next 24 hours

US AQI
  1. 50Now
  2. 49
  3. 43
  4. 3710 AM
  5. 31
  6. 33
  7. 351 PM
  8. 37
  9. 38
  10. 394 PM
  11. 39
  12. 39
  13. 397 PM
  14. 39
  15. 38
  16. 3710 PM
  17. 35
  18. 35
  19. 341 AM
  20. 33
  21. 33
  22. 324 AM
  23. 31
  24. 32

Air quality outlook

Worst hour each day
  • Today53Moderate
  • Sun 1849Good
  • Mon 19122Unhealthy for sensitive groups
  • Tue 20115Unhealthy for sensitive groups
  • Wed 2182Moderate

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

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About Watford weather

Watford is in Hertfordshire, United Kingdom at 51.66°, -0.40°. Right now it’s 6° and clear; today’s high is 12° with a 0% chance of rain.

The United Kingdom's weather is famously changeable, driven by its position at the meeting point of polar and tropical air masses in the North Atlantic. The Gulf Stream keeps temperatures milder than other regions at similar latitudes, but the constant battle between competing weather systems means forecasts can change rapidly. Maritime influences ensure that extremes are rare, but grey skies and drizzle are common companions.

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