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Forecast

Today

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Issued: 25/07/2014 10:35:00

Pollution Band: Moderate

Details

Saturday looks like being another hot day, more cloud than recently but also good sunny spells and temperatures in the high twenties. A gentle Nth East breeze veering Nth West later in the day. Imported air from northern Europe through most of Saturday is likely to result in ‘moderate’ ozone at many background and rural locations,away from busy roads, due to the photo-chemical reaction of imported and locally emitted pollutants.

Sunday and Monday should see a change. A cold front is expected to pass through from the Nth West on Sunday. This will be accompanied by a Nth West breeze, an increase in cloud cover and the possibility of showers. Temperatures are also likely to fall back to mid to low twenties. The arrival of a fresher Nth West air mass should lessen the likelihood of ‘moderate’ Ozone.

Air pollution should remain ’low’ for the following pollutants throughout this forecast period:

Nitrogen dioxide
PM10 Particulate
PM2.5 Particulate
Sulphur dioxide









This forecast is intended to provide information on expected pollution levels in areas of significant public exposure. It may not apply in very specific locations close to unusually strong or short-lived local sources of pollution.

Outlook

Forecast icon

Issued: 25/07/2014 10:35:00

Start: Saturday 26 July

Finish: end of Monday 28 July

Pollution Band: Moderate

Details

Saturday looks like being another hot day, more cloud than recently but also good sunny spells and temperatures in the high twenties. A gentle Nth East breeze veering Nth West later in the day. Imported air from northern Europe through most of Saturday is likely to result in ‘moderate’ ozone at many background and rural locations,away from busy roads, due to the photo-chemical reaction of imported and locally emitted pollutants.

Sunday and Monday should see a change. A cold front is expected to pass through from the Nth West on Sunday. This will be accompanied by a Nth West breeze, an increase in cloud cover and the possibility of showers. Temperatures are also likely to fall back to mid to low twenties. The arrival of a fresher Nth West air mass should lessen the likelihood of ‘moderate’ Ozone.

Air pollution should remain ’low’ for the following pollutants throughout this forecast period:

Nitrogen dioxide
PM10 Particulate
PM2.5 Particulate
Sulphur dioxide









This forecast is intended to provide information on expected pollution levels in areas of significant public exposure. It may not apply in very specific locations close to unusually strong or short-lived local sources of pollution.


How to use the Daily Air Quality Index *

  • Step 1: Determine whether you (or your children) are likely to be at-risk from air pollution. Your doctor may also be able to give you advice.
  • Step 2: If you may be at-risk, and are planning strenuous activity outdoors, check the air pollution forecast.
  • Step 3: Use the health messages corresponding to the highest forecast level of pollution as a guide.
Air Pollution Banding Value Accompanying health messages for at-risk groups and
the general population
At-risk individuals ** General population
Low 1-3 Enjoy your usual outdoor activities.

Enjoy your usual outdoor activities.

Moderate 4-6 Adults and children with lung problems, and adults with heart problems, who experience symptoms, should consider reducing strenuous physical activity, particularly outdoors. Enjoy your usual outdoor activities.
High 7-9 Adults and children with lung problems, and adults with heart problems, should reduce strenuous physical exertion, particularly outdoors, and particularly if they experience symptoms. People with asthma may find they need to use their reliever inhaler more often. Older people should also reduce physical exertion. Anyone experiencing discomfort such as sore eyes, cough or sore throat should consider reducing activity, particularly outdoors.
Very High 10 Adults and children with lung problems, adults with heart problems, and older people, should avoid strenuous physical activity. People with asthma may find they need to use their reliever inhaler more often. Reduce physical exertion, particularly outdoors, especially if you experience symptoms such as cough or sore throat.

* Daily Air Quality Index information sourced from UK-AIR (Air Information Resource) website.

* Adults and children with heart or lung problems are at greater risk of symptoms. Follow your doctor's usual advice about exercising and managing your condition. It is possible that very sensitive individuals may experience health effects even on Low air pollution days.