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 PM_2.5 Particles (µgm^-3)
Running 24 Hour mean PM₁₀ Particles (µgm^-3)

Most recent measurements

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

Date	Time	Hourly mean Nitrogen dioxide (µgm-3)		Running 24 Hour mean PM2.5 Particles (µgm-3)		Running 24 Hour mean PM10 Particles (µgm-3)
		Value	Level	Value	Level	Value	Level
2025-01-20	08:00:00	n/a		n/a		19	2 Low*1

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