Figure 3.6: Percentage of measured one-hour and 24-hour average NO2 concentrations within air quality categories in Napier and Hastings, 1998
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There are four charts showing one-hour and 24-hour concentrations of NO2 in Hawke’s Bay in 1998. The first two charts show concentrations in Napier in July and August. Measurements were mostly “Good” or “Excellent”, although some one-hour measurements were only “Acceptable”. The second two charts show measurements for Hastings between August and November 1998. Concentrations improved over the four months, with most measurements being “Excellent”.
