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Index Banded Annual Totals for Swansea:
LOW
111 days
MODERATE
11 days
HIGH
1 day
VERY HIGH
5 days
annual air quality totals for all Swansea monitoring stations

Diffusion Tubes - Nitrogen Dioxide (NO2)

 Bryn Lewis 13 Newton Road, Mumbles - facade diffusion tube
2012
Jan 2012 54.80 µg/m3
Apr 2012 42.50 µg/m3
May 2012 48.70 µg/m3
Jun 2012 44.00 µg/m3
Jul 2012 35.40 µg/m3
Average 2012 45.08 µg/m3
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