Urban background station · Paris, France
Paris-Les Halles
Urban background station with a modelled PM2.5 annual mean of 7.9 µg/m³ - 1.6× the WHO 2021 guideline. Operated by ADEME / Airparif; EEA code FR04143.
Data updated 2026-09-01
- 7.9
- PM2.5 µg/m³ (modelled)
- 17.5
- NO2 µg/m³ (modelled)
- 95.4%
- data capture
- 1997
- active since
Modelled exposure readout
Paris-Les Halles's modelled PM2.5 is 1.6× the WHO 2021 guideline and NO2 1.8×, derived from France's AEI adjusted for this BG classification.
- 7.9 µg/m³ PM2.5 modelled
- 1.6× vs WHO PM2.5
- 17.5 µg/m³ NO2 modelled
- 95.4% data capture
Background stations represent ambient city-wide exposure away from direct sources.
Stations with similar EEA profiles
Two cross-country peer sets for Paris-Les Halles. Same-country Read-with links stay above; these neighborhoods are nearest other-country stations by modelled PM2.5 and by EEA data-capture rate.
Similar modelled PM2.5
Nearest other-country stations by modelled PM2.5 (7.9 µg/m³ here), outside France.
Similar data capture
Nearest other-country stations by EEA data-capture rate (95.4% here), excluding the PM2.5 peer set.
Modelled annual means for Paris-Les Halles
Modelled annual mean concentration by pollutant (µg/m³), derived from the national mean rather than this station's own series
- O3
O3: 64.3 µg/m³ modelled annual mean
64.3 µg/m³
- NO2 17.5
NO2: 17.5 µg/m³ modelled annual mean
17.5 µg/m³
- PM10 16.8
PM10: 16.8 µg/m³ modelled annual mean
16.8 µg/m³
- PM25 7.9
PM25: 7.9 µg/m³ modelled annual mean
7.9 µg/m³
What this shows For reference, the WHO 2021 annual guidelines are PM2.5 = 5, PM10 = 15, and NO2 = 10 µg/m³. This station's PM2.5 sits at 1.6× the PM2.5 guideline.
How Paris's PM2.5 compares
This station's annual mean vs the national average and the WHO 2021 guideline
- This station
Paris-Les Halles: 7.9 µg/m³
7.9 µg/m³ PM2.5
- France avg
France national average: 9.3 µg/m³
9.3 µg/m³ PM2.5
- WHO 2021
WHO 2021 health guideline: 5 µg/m³
5 µg/m³ PM2.5
What this shows Paris-Les Halles reads below France's national PM2.5 average. Both sit above the WHO health guideline of 5 µg/m³.
About this station
The Paris-Les Halles background monitoring station in Paris is operated by ADEME / Airparif. The station code is an EEA identifier; concentrations on this page are modeled from France's PM2.5 Average Exposure Indicator, not this station's own Dataflow E1a hourly series. As an urban background station, readings here represent the ambient air across the city away from any direct emission source, the appropriate reference for population-weighted exposure estimation.
Modelled annual means
These are modelled estimates, not this station's own reported readings. Each value is France's national population-weighted annual mean, adjusted for this station's classification (background). Two stations of the same classification in the same country therefore show the same value. For this station's actual reported series, use the EEA datahub link below. Full rule: methodology §5b.
All concentrations in µg/m³ are modeled from the country PM2.5 Average Exposure Indicator, adjusted for this station's classification (code FR04143) - not an independent per-station E1a reading. See our methodology for the exact derivation.
Source: European Environment Agency, Average Exposure Indicator (AEI) 2021-2023; station FR04143 (modeled).
Source: World Health Organization, Global Air Quality Guidelines, 2021 update.
Figures on PlainAirQuality are rendered from this site's database rather than typed into the page. Country values restate the EEA's published series and are held in our dataset pending an automated re-import; station-level values are modelled from those national means, not measured at the station. Every figure here is a MODELLED estimate, not this station's own reported reading: the national population-weighted annual mean adjusted for the station's classification (methodology §5b). Peak and exceedance-day figures are deliberately absent, because we do not publish a number we cannot source to the station itself. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.