Seychelles · Urban PM2.5 Concentration (WHO)
9.72023
Unit: micrograms per cubic metre. Publisher measure: Concentrations of fine particulate matter (PM2.5).
Annual population-weighted PM2.5 concentration in urban areas, matching WHO SDG11.6.2 metadata; label urban scope explicitly.
Measurement basis: model-based estimate.
Displayed values are rounded, with extra precision when needed to keep a positive estimate positive. Downloads retain the full numeric estimate and the publisher's original display text separately.
A “<” sign means strictly below the stated number. Numeric readings and uncertainty endpoints keep their own comparison signs. A number without a sign does not establish certainty or an observed outcome.
World Health Organization (Global Health Observatory); retrieved 2026-09-07. Retrieval time is separate from an official publisher release vintage.
Download this immutable source capture · Source and coverage corrections
One row per country, indicator and year, with raw values, source links and reuse notices. Thresholds have an empty numeric value and separate number/operator fields; value_kind distinguishes upper bounds from absent readings.
History and uncertainty
Charts plot numeric readings. Reported upper bounds create gaps; their values, uncertainty endpoints and source notes remain available in the table and downloads.
Reported estimates and uncertainty · 14 rows
Each comparison sign applies to its own reading or uncertainty endpoint. Values retain source precision. “Not reported” identifies an absent reading or uncertainty endpoint in this source capture.
| Country | Year | Reading | Lower endpoint | Upper endpoint | Publisher note |
|---|---|---|---|---|---|
| Seychelles | 2010 | 12.562255091 | 9.418154247 | 17.52988417 | — |
| Seychelles | 2011 | 12.594899862 | 9.628076391 | 16.516610971 | — |
| Seychelles | 2012 | 12.71635892 | 9.971279768 | 16.9861465 | — |
| Seychelles | 2013 | 11.838452631 | 9.405394334 | 15.451446586 | — |
| Seychelles | 2014 | 10.506877993 | 8.295171581 | 13.697081887 | — |
| Seychelles | 2015 | 11.543682897 | 9.215785993 | 15.267936812 | — |
| Seychelles | 2016 | 10.84430986 | 8.729540902 | 14.609523186 | — |
| Seychelles | 2017 | 11.441395291 | 9.084160635 | 14.70058242 | — |
| Seychelles | 2018 | 11.005281459 | 8.81123551 | 14.145575299 | — |
| Seychelles | 2019 | 10.364294192 | 8.07630298 | 13.833165393 | — |
| Seychelles | 2020 | 8.652507277 | 6.833193746 | 11.203603834 | — |
| Seychelles | 2021 | 9.188674899 | 7.374471434 | 12.148911645 | — |
| Seychelles | 2022 | 10.160008847 | 8.018670203 | 12.980539565 | — |
| Seychelles | 2023 | 9.657575358 | 7.484396747 | 12.677271489 | — |
One row per country, indicator and year, with raw values, source links and reuse notices. Thresholds have an empty numeric value and separate number/operator fields; value_kind distinguishes upper bounds from absent readings.