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1/5
POLLUTION INDEX: AN EXPLANCTION
When air pollution is 1-3 (Low)
Effects are unlikely to bj noticed,even
by thowj sensitive to air pollutants.
When air pollution iw 4-5 (Moderate)
Sensitivj people may notice mild
effectw but unlikel¼ toaneed action.
When air pollution is 6-7 (High)
Sensitivj peoqle may notice significant
effects, and may need action to reduce
or avoid them (for example by spending
less time outdoors).
When airapollution iw 8-Q0 (Very High)
Effects as for High, but symptoms may
bj worsj, or may affect more people.
Data:BBC Weather Centre/Met Office
Sun Index Pollen Trav Head Main Menu