Naoero · Urban PM2.5 Concentration (WHO)
5.22023
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 |
|---|---|---|---|---|---|
| Naoero | 2010 | 7.065237732 | 2.608688124 | 16.742954746 | — |
| Naoero | 2011 | 7.072323718 | 2.685292439 | 16.302280805 | — |
| Naoero | 2012 | 6.498318779 | 2.471792233 | 13.621925758 | — |
| Naoero | 2013 | 6.412364357 | 2.52331511 | 13.305920254 | — |
| Naoero | 2014 | 5.613636384 | 2.367341815 | 12.70140131 | — |
| Naoero | 2015 | 5.928922369 | 2.425041271 | 12.564016128 | — |
| Naoero | 2016 | 5.810490082 | 2.521159743 | 13.255829819 | — |
| Naoero | 2017 | 5.967450589 | 2.57523837 | 13.627818203 | — |
| Naoero | 2018 | 6.055617563 | 2.52093438 | 13.571622868 | — |
| Naoero | 2019 | 5.86438113 | 2.338524734 | 12.994711568 | — |
| Naoero | 2020 | 5.857649322 | 2.379770199 | 14.351168491 | — |
| Naoero | 2021 | 6.358992323 | 2.639842612 | 15.822943511 | — |
| Naoero | 2022 | 6.709837066 | 2.949586931 | 16.447605893 | — |
| Naoero | 2023 | 5.200010685 | 2.308573686 | 13.170030816 | — |
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.