Pollution alerts & notifications

Pollution Notifications

There are no regions with Very High levels of pollution at the moment.

There are currently 1 regions with High (Index 7,8,9) pollution:

Last updated: 24/03/2025 05:00

Pollution Alerts

Air pollution Alerts are issued here when any of the following thresholds within Air Quality Standards Regulations (2010) are exceeded:

  • Ozone Information 180 µg/m3 for 1 hour
  • Ozone Alert 240 µg/m3 for 1 hour
  • Sulphur Dioxide Alert 500 µg/m3 for 3 consecutive hours over 100km2 area
  • Nitrogen Dioxide Alert 400 µg/m3 for 3 consecutive hours over 100km2 area

Alerts will be displayed for a 24 hour period after they have been exceeded.