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The Air Quality Standards Regulations 2010
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Rhagor o Adnoddau
Changes to legislation:
There are currently no known outstanding effects for the The Air Quality Standards Regulations 2010, SCHEDULE 2.
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Regulation 17(1) and (2)
SCHEDULE 2U.K.Limit values
This
Atodlen has no associated
Memorandwm Esboniadol
Sulphur dioxide
| Averaging period | Limit value |
|---|---|
| One hour | 350 μg/m3 not to be exceeded more than 24 times a calendar year |
| One day | 125 μg/m3 not to be exceeded more than 3 times a calendar year |
Nitrogen dioxide
| Averaging period | Limit value |
|---|---|
| One hour | 200 μg/m3 not to be exceeded more than 18 times a calendar year |
| Calendar year | 40 μg/m3 |
Benzene
| Averaging period | Limit value |
|---|---|
| Calendar year | 5 µg/m3 |
Lead
| Averaging period | Limit value |
|---|---|
| Calendar year | 0.5 µg/m3 |
PM10
| Averaging period | Limit value |
|---|---|
| One day | 50 µg/m3, not to be exceeded more than 35 times a calendar year |
| Calendar year | 40 µg/m3 |
[F1PM2.5
| Averaging Period | Limit Value | Date by which limit value is to be met |
|---|---|---|
| Calendar year | 20 μg/m3 | 1st January 2020] |
Textual Amendments
F1Words in Sch. 2 substituted (10.12.2020) by The Environment (Miscellaneous Amendments) (EU Exit) Regulations 2020 (S.I. 2020/1313), regs. 1(2), 2
Carbon monoxide
1 The maximum daily eight hour mean concentration of carbon monoxide must be selected by examining eight hour running averages, calculated from hourly data and updated each hour. Each eight hour average so calculated will be assigned to the day on which it ends, that is, the first calculation period for any one day will be from 17:00 on the previous day to 01:00 on that day, the last calculation period for any one day will be the period from 16:00 to 24:00 on that day. | |
| Averaging period | Limit value |
|---|---|
| Maximum eight hour daily mean1 | 10 mg/m3 |
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