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Particulate Matter Air Quality
Latest measurement from: 21 Dec 2024 11:55 UTC (T 12.9°C / RH 71%)  Sensor: AirLink #001D0A100352
 Index style
Period Particle Conc. Index UK Classification           
now µm10 1.68 µg/m3 1 Good
         
now µm2.5 0 µg/m3 0 Good
         
now µm1 0 µg/m3 0 Good
         
Last hour avg µm10 0.14 µg/m3 1 Good
         
Last hour avg µm2.5 0 µg/m3 0 Good
         
Last 3h avg µm10 0.13 µg/m3 1 Good
         
Last 3h avg µm2.5 0 µg/m3 0 Good
         
"Nowcast" µm10 0.14 µg/m3 1 Good
         
"Nowcast" µm2.5 0 µg/m3 0 Good
         
Last 24h avg µm10 0.16 µg/m3 1 Good
         
Last 24h avg µm2.5 0.01 µg/m3 1 Good > 1 <2345678910

UK Classification Index µm10 µm2.5 The health effects should be based on 24 hours average values only.
 Good  1 < 16 µg/m3 < 11 µg/m3 Enjoy your usual outdoor activities
2 < 33 µg/m3 < 23 µg/m3
3 < 50 µg/m3 < 35 µg/m3
 Fair  4 < 58 µg/m3 < 41 µg/m3 Enjoy your usual outdoor activities
Adults and children with lung or heart problems, who experience symptoms, should consider reducing strenuous physical activity, particularly outdoors
5 < 66 µg/m3 < 47 µg/m3
6 < 75 µg/m3 < 53 µg/m3
 Poor  7 < 83 µg/m3 < 58 µg/m3 Anyone experiencing discomfort such as sore eyes, cough or sore throat should consider reducing physical activity, particularly outdoors.

Adults and children with lung problems, and adults with heart problems, should reduce strenuous physical activity, 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.
8 < 91 µg/m3 < 64 µg/m3
9 < 100 µg/m3 < 70 µg/m3
 Very poor  10 > 100 µg/m3 > 70 µg/m3 Reduce physical exertion, particularly outdoors, especially if you experience symptoms such as cough or sore throat.
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.
Visit UK Air Quality site where you can find a wealth of information

0 Good - 'widget' using "Nowcast" 2.5pm value and country index (and optional description)
Set country classification ('BE', 'eea', 'IE', 'NL', 'UK', 'US'). Choose from four languages ('DE', 'EN', 'FR', 'NL')
Other data: last_1_hour   sample size: 100%, last_3_hours   sample size: 100%, "Nowcast"   sample size: 100%, last_24_hours   sample size: 100%