Cameroon · Urban PM2.5 Concentration (WHO)
55.42023
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 |
|---|---|---|---|---|---|
| Cameroon | 2010 | 48.554139505 | 32.687431348 | 73.112630753 | — |
| Cameroon | 2011 | 50.120604969 | 34.116502577 | 74.813516686 | — |
| Cameroon | 2012 | 51.942630091 | 35.353833191 | 78.136078144 | — |
| Cameroon | 2013 | 47.760357264 | 32.412489671 | 71.214601979 | — |
| Cameroon | 2014 | 48.616158319 | 32.898605469 | 72.355868275 | — |
| Cameroon | 2015 | 58.908860925 | 39.334773613 | 88.556824899 | — |
| Cameroon | 2016 | 57.636980396 | 38.302609143 | 88.08978196 | — |
| Cameroon | 2017 | 57.059889684 | 38.480034149 | 87.086220371 | — |
| Cameroon | 2018 | 53.837295576 | 36.23669602 | 80.582674277 | — |
| Cameroon | 2019 | 51.937755589 | 34.962807296 | 76.875191073 | — |
| Cameroon | 2020 | 56.09842718 | 37.796944538 | 84.59406982 | — |
| Cameroon | 2021 | 55.93690543 | 37.779309577 | 84.285315337 | — |
| Cameroon | 2022 | 56.81225547 | 38.314057597 | 85.895024278 | — |
| Cameroon | 2023 | 55.420753996 | 37.544269809 | 82.330733321 | — |
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.