UK Data: UK air quality (Defra)

uk.co.reliness/air-quality · v1.5.0 · cloud-and-infra

UK Data: UK air quality (Defra) is healthy: it completed an MCP handshake in 1248 ms and exposes 7 tools.

Live UK air pollution from Defra monitors: NO2, PM2.5, PM10, ozone and the Daily Air Quality Index

Endpoint: https://ukdata.reliness.co.uk/mcp/air-quality (streamable-http)

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Facts

Users (last 30 days)0
HandshakeHealthy
Auth neededNone
Tool count7
Latency1248 ms
Last checked (UTC)2026-11-07T03:35:43.086Z

Health history

Checked (UTC)StatusLatencyError
2026-11-07T03:35:43.086ZHealthy1248

Tools (7)

air_quality_stations_nearLists the official Defra AURN air quality monitoring sites near a UK point, nearest first, with the headline pollutants each currently measures (NO2, ozone, PM2.5, PM10). Every UK-AIR station id is checked against its latest reading and marked current, not_reporting or retired, so you know which id
no2_level_nearLatest hourly nitrogen dioxide (NO2) reading in ug/m3 at the nearest working Defra AURN monitor, with its Daily Air Quality Index band (1-10, Low to Very High) and health advice. NO2 is mainly traffic and diesel pollution, the UK's headline roadside pollutant, so this answers "how bad is the traffic
pm25_level_nearLatest hourly fine particulate (PM2.5) reading in ug/m3 at the nearest working Defra AURN monitor, plus its 24-hour mean and the Daily Air Quality Index band and health advice that mean gives. PM2.5 is the pollutant most linked to health effects (smoke, wood burners, traffic, bonfire night), so this
pm10_level_nearLatest hourly coarse particulate (PM10) reading in ug/m3 at the nearest working Defra AURN monitor, plus its 24-hour mean and the Daily Air Quality Index band and health advice that mean gives. Useful for Saharan dust episodes, construction and road dust. Source: Defra UK-AIR. Not a forecast; one mo
ozone_level_nearLatest hourly ground-level ozone (O3) reading in ug/m3 at the nearest working Defra AURN monitor, plus its 8-hour mean and the Daily Air Quality Index band and health advice that mean gives. Ozone peaks on hot sunny days (summer smog), often higher in the countryside than in cities, so this suits ru
air_quality_index_nearOne answer to "what is the air quality near me today": the overall UK Daily Air Quality Index (1-10, Low, Moderate, High or Very High) with health advice, calculated from the latest NO2, ozone, PM2.5 and PM10 measurements at the nearest working Defra AURN monitors, and which pollutant drives it. Cal
air_pollutant_historyHourly readings of one pollutant at one Defra UK-AIR monitor over a period of 1 to 168 hours (7 days): up to 100 hourly rows are shown (the latest), while the minimum, maximum, mean, peak hour and daily means cover the whole period. For evidence and comparisons: councillors, campaigners, schools, jo