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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
2019-04-1623:00:00461 Low536 Moderate615 Moderate*1
2019-04-1622:00:00631 Low526 Moderate615 Moderate*1
2019-04-1621:00:00561 Low516 Moderate595 Moderate*1
2019-04-1620:00:00812 Low506 Moderate584 Moderate*1
2019-04-1619:00:00611 Low486 Moderate564 Moderate*1
2019-04-1618:00:00601 Low475 Moderate544 Moderate*1
2019-04-1617:00:00551 Low475 Moderate544 Moderate*1
2019-04-1616:00:00601 Low465 Moderate524 Moderate*1
2019-04-1615:00:00471 Low455 Moderate514 Moderate*1
2019-04-1614:00:00461 Low455 Moderate503 Low*1
2019-04-1613:00:00481 Low435 Moderate493 Low*1
2019-04-1612:00:00491 Low425 Moderate483 Low*1
2019-04-1611:00:00581 Low414 Moderate483 Low*1
2019-04-1610:00:00531 Low404 Moderate473 Low*1
2019-04-1609:00:00481 Low404 Moderate473 Low*1
2019-04-1608:00:00742 Low394 Moderate463 Low*1
2019-04-1607:00:00561 Low384 Moderate453 Low*1
2019-04-1606:00:00221 Low364 Moderate433 Low*1
2019-04-1605:00:00221 Low364 Moderate433 Low*1
2019-04-1603:00:00311 Lown/an/a
2019-04-1601:00:00231 Lown/an/a

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