And frost and the fog divide the air

Air Quality Monitoring Station: Chepstow A48

Location ID: UKA00515 / GB0921A

Environment Type: Urban Traffic

Defra Region: Wales

Location: Hardwick Hill Chepstow Chepstow

Notes: The monitoring station is located within a self contained air conditioned housing on the north side of the A48 Newport Road at the junction with Hardwick Hill Lane. The surrounding area is open with residential dwellings.

Measurements taken at this site:
Hourly mean Nitrogen dioxide (µgm-3)
Running 24 Hour mean PM2.5 Particles (µgm-3)
Running 24 Hour mean PM10 Particles (µgm-3)

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Most recent measurements

Latest data at the top. "n/a" means no measurement was taken in that time period.

DateTime Hourly mean Nitrogen dioxide
(µgm-3)
Running 24 Hour mean PM2.5 Particles
(µgm-3)
Running 24 Hour mean PM10 Particles
(µgm-3)
ValueLevelValueLevelValueLevel
2019-02-1723:00:0001 Low172 Low343 Low*1
2019-02-1722:00:0001 Low172 Low343 Low*1
2019-02-1721:00:0021 Low182 Low343 Low*1
2019-02-1720:00:0081 Low182 Low343 Low*1
2019-02-1719:00:00121 Low182 Low343 Low*1
2019-02-1718:00:00181 Low182 Low343 Low*1
2019-02-1717:00:00211 Low182 Low343 Low*1
2019-02-1716:00:00261 Low182 Low343 Low*1
2019-02-1715:00:00181 Low172 Low322 Low*1
2019-02-1714:00:00141 Low172 Low322 Low*1
2019-02-1713:00:00191 Low172 Low312 Low*1
2019-02-1712:00:00191 Low162 Low312 Low*1
2019-02-1711:00:00261 Low162 Low302 Low*1
2019-02-1710:00:00391 Low162 Low292 Low*1
2019-02-1709:00:00291 Low152 Low292 Low*1
2019-02-1708:00:00271 Low152 Low282 Low*1
2019-02-1707:00:00301 Low142 Low282 Low*1
2019-02-1706:00:0081 Low132 Low272 Low*1
2019-02-1705:00:0001 Low132 Low272 Low*1
2019-02-1704:00:0001 Low132 Low272 Low*1
2019-02-1703:00:0001 Low132 Low272 Low*1
2019-02-1702:00:0001 Low132 Low272 Low*1
2019-02-1724:00:00n/a172 Low343 Low*1

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