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Index Banded Annual Totals for Swansea:
LOW
8 days
MODERATE
1 day
HIGH
0 days
VERY HIGH
0 days

Diffusion Tubes - Nitrogen Dioxide (NO2)

 17 Approach Road, Manselton - facade diffusion tube
2012
Jan 2012 35.40 µg/m3
Apr 2012 25.30 µg/m3
May 2012 20.80 µg/m3
Jun 2012 1.30 µg/m3
Jul 2012 13.00 µg/m3
Aug 2012 18.90 µg/m3
Average 2012 19.12 µg/m3