airTEXT provides forecasts of air quality (air pollution), UV, grass pollen and maximum and minimum temperatures for Greater London, Cambridge, Chelmsford, Colchester, Slough and Three Rivers.
• The air pollution forecast may be LOW, MODERATE, HIGH or VERY HIGH.
• The UV index may be 1 to 2 (LOW), 3 to 5 (MODERATE), 6 to 7 (HIGH) or 8+ (VERY HIGH).
• The pollen forecast is a daily grass pollen forecast and may be LOW, MODERATE, HIGH or VERY HIGH.
The air quality forecasts show expected levels over the next three days, to enable you to plan ahead. Measurements of current air quality are available on LondonAir.
See the health advice to learn more about how the expected conditions might affect your health or download the Your Guide to the Daily Health Bulletin leaflet.
The air quality forecasts are produced using CERC's world-leading ADMS-Urban air quality model.
Forecasts for UV, grass pollen and temperature are supplied by MeteoGroup.
The UV forecast gives the maximum hourly cloud-adjusted solar UV index over the day.
The temperature forecast gives the minimum and maximum hourly temperatures predicted over a 24-hour period.
* - If you text AIRTEXT to 78070 to sign up for text alerts, you will be charged for your sign-up message at your standard text rate and then you will receive free text alerts for Central London. Alternatively you can sign up online for free and choose to get alerts for your area by text, email or voicemail. You can also download our free smartphone app.