PM10 concs in UK table 2.2 Table 2.2. Estimated annual means and 99th percentiles of PM10 concentrations including predictions for 2005 and 2010 (mgm-3)

  London Bloomsbury Birmingham Centre Bristol Centre Manchester Piccadilly Newcastle Centre Belfast Centre Edinburgh Centre Liverpool Centre
Annual mean
1996 30 25 26 26 23 24 19 25
1995 28 23 24 - 22 24 20 27
NAQS 99th percentile
1996 100 94 87 85 100 94 62 86
1995 80 77 70 - 71 95 61 72
Fixed daily means above 50mgm-3*
1996 37 20 18 21 14 18 6 22
1995 24 11 11 - 9 13 8 28
Annual mean
2005 estimate based on 1996 25 20 22 22 19 21 17 21
2005 estimate based on 1995 23 19 19 - 18 21 18 22
2010 estimate based on 1996 23 18 20 20 18 20 16 19
2010 estimate based on 1995 21 17 18 - 16 20 17 21
NAQS 99th percentile
2005 estimate based on 1996 82 76 70 71 82 76 55 70
2005 estimate based on 1995 69 65 57 - 57 82 57 63
2010 estimate based on 1996 76 69 64 65 72 70 53 64
2010 estimate based on 1995 65 58 52 - 52 79 55 61
Fixed daily means above 50mgm-3*
2005 estimate based on 1996 11 13 7 8 10 9 4 10
2005 estimate based on 1995 9 6 2 - 2 8 3 9
2010 estimate based on 1996 9 7 6 6 7 6 2 7
2010 estimate based on 1995 9 3 0 - 2 8 2 6
* The number of days with fixed daily mean concentrations above 50mgm-3.

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