Distribution
PM2.5 fine particulate matter, Kaloum
- Mean
- 51.0 µg/m³
- Seasonal range
- 86.9 µg/m³
- Highest
- February (103.7)
- Lowest
- August (16.7)
- Year-to-year variability
- ± 4.50 (8.8 %)
- Values
- 1,704 days
Monthly means of the daily values.
- Period mean
- Month above its normal
- Month below
- 12-month moving average
Drag across the chart to zoom, double-click to reset.
For each month, over 4 years: median, low and high years (P10 to P90) and extreme values.
- Median
- Low and high years (P10 to P90)
- Extreme values (min. to max.)
Mean of each complete year, as a gap to the period mean (51.0 µg/m³).
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 66.8 | 83.6 | 45.0 | 50.1 | 59.1 | 23.6 | 16.1 | 15.3 | — | — | — | — | — |
| 2024 | 73.5 | 79.1 | 71.9 | 69.0 | 74.8 | 30.2 | 18.6 | 16.2 | 16.6 | 28.4 | 42.6 | 59.9 | 48.4 |
| 2023 | 60.5 | 103.7 | 48.6 | 87.6 | 71.8 | 25.1 | 18.7 | 16.8 | 22.4 | 35.4 | 52.1 | 79.7 | 51.9 |
| 2022 | 59.5 | 104.5 | 82.0 | 61.9 | 55.8 | 30.0 | 21.1 | 16.7 | 23.4 | 35.5 | 47.3 | 56.0 | 49.5 |
| 2021 | 75.6 | 122.3 | 86.2 | 108.2 | 57.4 | 35.0 | 22.1 | 18.9 | 23.3 | 32.4 | 42.3 | 77.6 | 58.4 |
| Median | 66.8 | 103.7 | 71.9 | 69.0 | 59.1 | 30.0 | 18.7 | 16.7 | 22.9 | 33.9 | 45.0 | 68.8 | |
| P10 | 59.9 | 80.9 | 46.4 | 54.8 | 56.5 | 24.2 | 17.1 | 15.6 | 18.3 | 29.6 | 42.4 | 57.2 | |
| P90 | 74.8 | 115.2 | 84.5 | 99.9 | 73.6 | 33.1 | 21.7 | 18.0 | 23.4 | 35.5 | 50.7 | 79.1 | |
| Min. | 59.5 | 79.1 | 45.0 | 50.1 | 55.8 | 23.6 | 16.1 | 15.3 | 16.6 | 28.4 | 42.3 | 56.0 | |
| Max. | 75.6 | 122.3 | 86.2 | 108.2 | 74.8 | 35.0 | 22.1 | 18.9 | 23.4 | 35.5 | 52.1 | 79.7 |
CSV file
1,704 rows, 58 KB. Columns: period, value, unit, confidence level, status.
date,valeur,unite,niveau_confiance,statut 2021-01-01,56.2676,µg/m³,B,brut 2021-01-02,48.747,µg/m³,B,brut 2021-01-03,43.3835,µg/m³,B,brutDownload the CSV
API
The same series, versioned, with a free key.
curl -H "Authorization: Bearer kuma_votre_cle" \ "https://api.kumascience.com/v1/series/gin_conakry_pm2_5_cams_eac4_2021_2025?format=csv"
Python
Read the published file directly with pandas.
import pandas as pd url = "https://kumascience.com/data/guinee/conakry_kaloum/pm2_5.csv" df = pd.read_csv(url) df.head()
Notes
- Method
- Satellite model
- Unit
- µg/m³
- Time step
- Daily, charts and table as monthly means
- Period
- 2021-01-01 - 2025-08-31
- Kuma qualification
- Acceptable qualification, cross-check series
- Source licence
- Licence à vérifier auprès de la source amont avant réutilisation.
- Kuma licence
- CC-BY 4.0, DOI 10.5281/zenodo.21051755
Cite this series
Kuma Science (2026). PM2.5 fine particulate matter, Kaloum (Guinea), 2021-2025. CAMS EAC4 series, Guinea national energy data reference. DOI 10.5281/zenodo.21051755. https://kumascience.com/en/donnees/gin_conakry_pm2_5_cams_eac4_2021_2025
@misc{kuma_gin_conakry_pm2_5_cams_eac4_2021_2025,
author = {{Kuma Science}},
title = {PM2.5 fine particulate matter, Kaloum (Guinea), 2021-2025},
year = {2026},
howpublished = {CAMS EAC4 series},
doi = {10.5281/zenodo.21051755},
url = {https://kumascience.com/en/donnees/gin_conakry_pm2_5_cams_eac4_2021_2025},
note = {License CC-BY 4.0}
}TY - DATA AU - Kuma Science TI - PM2.5 fine particulate matter, Kaloum (Guinea), 2021-2025 PY - 2026 PB - Kuma Science DO - 10.5281/zenodo.21051755 UR - https://kumascience.com/en/donnees/gin_conakry_pm2_5_cams_eac4_2021_2025 N1 - CAMS EAC4 ER -
Also cite the primary source, whose licence applies to the published values.
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