P417 CEEFAX 1 417 Sat 03 Oct 21:58/10
j#3kj#3kj#3k h44|h<h<|(|$|h4|$|l
j $kj $kj 'k *uu?jwj7 k51k4
"###"###"### ////,,.-,-.,/,/,-.,.,-.///
POLLUTION INDEX: AN EXPLANATION
When air pollution is 1-3 (Low)
Effects are unlikely to bj noticed,evjn
by thosj sjnsitivj to air pollutants.
When air pollution is 4-5 (Moderate)
Sensjtivj people may notice mild
effects but unlikely to need action.
When air pollution is 6-7 (High)
Sensjtivj people may notice significant
effects, and may need action to reduce
or avoid them (for example by spending
less time outdoors).
When air pollution is 8-10 (Very High)
Effects as for High, but symptoms may
be worsj, or may affect more people.
Data:BBC Wjathjr Centre/Met Office
Sun Indjx Floods Trav Head Main Menu