Kaloum | 2021-2025

PM2.5 fine particulate matter

PM2.5 fine particulate matter measurements at Kaloum, 2021-2025, through satellite model (CAMS EAC4 - ECMWF Atmospheric Composition Reanalysis 4). The series note below sums up the window, the method and the confidence grade.

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Metadata

The series' technical identity

Location
GIN | Kaloum
Variable
PM2.5 fine particulate matter (µg/m³)
Upstream source
CAMS EAC4 - ECMWF Atmospheric Composition Reanalysis 4 (cams-global-reanalysis-eac4)
Period
2021-01-01 - 2025-08-31
Kuma layer
Layer BSubstrate | Cross-check
Confidence grade
Conf. B | B | acceptable qualification

Series note

PM2.5 fine particulate matter at Kaloum (Guinea), over the period 2021-2025. Obtained through satellite model, source CAMS EAC4 - ECMWF Atmospheric Composition Reanalysis 4. Values in µg/m³ | Kuma confidence grade B (acceptable qualification).

Climatology

Change over time

Data

Time series and climatology

Daily time series 2021-2025 · annual mean 50.71µg/m³
0100200300400500PM2.5 fine particulate matter (µg/m³) ↑2021202120212021202220222022202220232023202320232024202420242024202520252025
Source: CAMS EAC4 - ECMWF Atmospheric Composition Reanalysis 4 (cams-global-reanalysis-eac4). Period 2021-2025.

Seasonality

Annual profiles 2021–2025

Daily seasonal profiles · 2021 to 2025
0287573JAJO2021
0287573JAJO2022
0287573JAJO2023
0287573JAJO2024
0287573JAJO2025
Each panel shows the daily values for one year (µg/m³). Light sand band = dry season / Harmattan (December-March). Green band = monsoon (June-September). The side-by-side layout reveals the stability of the seasonal cycle and year-to-year anomalies.

Distribution

Seasonal and monthly variability

Distribution

Monthly distribution (Tukey boxplot)

Distribution of values, month by month
0143.25286.5429.75573PM2.5 fine particulate matter (µg/m³) ↑JFMAMJJASONDMonths →
Each box shows the spread for one month: the thick bar is the median value, the box covers the central half of the values. Highest typical value in February ( 88.73µg/m³), lowest in August (15.59µg/m³). Source: CAMS EAC4 - ECMWF Atmospheric Composition Reanalysis 4 (cams-global-reanalysis-eac4).

How to cite

Suggested citation
Kuma Science (2026). Series catalog, gin_conakry_pm2_5_cams_eac4_2021_2025. Primary source : CAMS EAC4 - ECMWF Atmospheric Composition Reanalysis 4 (cams-global-reanalysis-eac4) (https://ads.atmosphere.copernicus.eu/datasets/cams-global-reanalysis-eac4). Kuma confidence grade : B. Layer : B ( Cross-check). Accessed on 2026-07-20.

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Upstream source

Data origin and license

This series is derived from CAMS EAC4 - ECMWF Atmospheric Composition Reanalysis 4 (cams-global-reanalysis-eac4) . License : Licence à vérifier auprès de la source amont avant réutilisation..

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