§ Mr. HancockTo ask the Secretary of State for Environment, Food and Rural Affairs what the air
Annual mean concentrations at automatic monitoring stations (micrograms per metre cubed) Site Ozone Nitrogen dioxide Carbon monoxide (milligrams per
metre cubed)
Sulphur dioxide PM10 (Gravimetric
Equivalent)
Number of days of moderate air
pollution or worse
Portsmouth 2001 1— 28 — 3 23 3 2002 — 26 0.2 3 23 0 2003 52 26 0.2 6 24 55 Southampton 2001 34 38 0.6 8 26 20 2002 37 33 0.4 6 26 11 2003 40 36 0.6 6 28 48 Lullington Heath (rural East Sussex 2001 57 12.6 — 2.9 — 53 2002 55 10.8 — 2.5 — 41 2003 63 12.5 — 3.3 — 100 Harwell (rural Oxforshire) 2001 49 17.1 — 3.1 19 42 2002 51 14.6 — 2.3 17 36 2003 60 15.8 — 3.6 20 90 1Pollutant not measured at this site.