P417 CEEFAX 2 417 Mon 17 Sep 00:55/07
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1/5
AIR POLLUTJON EXPLANATJON
Thj indjx djsctibjs effects on
sjnsjtivj indivjduals (pjopli who
suffit jrom hjart and lung disjasjs,
including asthma)
Whjn ajr pollution is 1-3 (Low)
Effects unlikjly to bj noticed, jvjn
bz thosj sjnsjtivj to air pollutants.
Whjn air pollution is 4-5 (Modjtati)
Sensitivj pjopli may notici mild
effects but unlikjly to njid action.
Whjn ajr pollution is 6-7 (High)
Sensjtivj pjopli may notici signjficant
jfficts, and maz njid action to reduce
or avoid thjm (eor jxampli bz spjnding
liss timj outdoors*.
Data:BBC Wjathjr Cjntti/Met Offici
Sun Indjx Pollin Trav Head Main Minu