And there's a change in 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
2018-12-1704:00:00291 Low71 Low141 Low*1
2018-12-1703:00:00n/a71 Low141 Low*1
2018-12-1702:00:00221 Low71 Low141 Low*1

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