Inhoud
Component NO2
Current value: 79 µg/m3
Highest hourly value: 124 µg/m3
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Current value: 49 µg/m3
Highest hourly value: 122 µg/m3
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Current value: 51 µg/m3
Highest hourly value: 72 µg/m3
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Current value: 19 µg/m3
Highest hourly value: 84 µg/m3
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Current value: 27 µg/m3
Highest hourly value: 69 µg/m3
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Current value: 41 µg/m3
Highest hourly value: 111 µg/m3
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Current value: 52 µg/m3
Highest hourly value: 69 µg/m3
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Current value: 53 µg/m3
Highest hourly value: 90 µg/m3
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Current value: 59 µg/m3
Highest hourly value: 89 µg/m3
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Current value: 20 µg/m3
Highest hourly value: 98 µg/m3
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Current value: 31 µg/m3
Highest hourly value: 75 µg/m3
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Current value: 39 µg/m3
Highest hourly value: 85 µg/m3
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Current value: 26 µg/m3
Highest hourly value: 121 µg/m3
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Current value: 31 µg/m3
Highest hourly value: 108 µg/m3
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Current value: 33 µg/m3
Highest hourly value: 71 µg/m3
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Current value: 53 µg/m3
Highest hourly value: 69 µg/m3
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Current value: 41 µg/m3
Highest hourly value: 58 µg/m3
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| Legend | |
| Very high | |
| High | |
| Moderate | |
| Good | |
| explain legend | |
Concentrations of nitrogen dioxide (NO2) are affected by traffic density, season and the weather. The statutory standard is 40 micrograms per cubic metre of air, averaged over a calendar year. If concentrations are (much) higher then normal for a specific time and date, then the airquality is presented as (very) poor. The law contains a so-called alert threshold: concentrations which for three hours remain higher than 400 micrograms. This has never yet happened but if it did the public would be informed well before it got to this point.