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North Down Holywood A2

North Down Holywood A2 was last updated 26/05/2017 04:00

Pollutant Band Concentration Period
PM10 particulate matter (Hourly measured) LOW (2) 24 µgm-3 (VCM) 24 Hour mean
Nitrogen dioxide (NO2) LOW (1) 16 µgm-3 Hourly mean
Nitrogen oxides as nitrogen dioxide (NOXasNO2) Not applicable 21 µgm-3 Hourly mean
Nitric oxide (NO) Not applicable 3 µgm-3 Hourly mean