Air Quality Warnings in Sierra Leone
Air Quality Warnings for Sierra Leone (West Africa) come from Sierra Leone Meteorological Agency, National Disaster Management Agency. This page explains what these warnings mean, which authority publishes them, and how to check the current status for Freetown.
Check live smog, status for FreetownBrowse all warnings
At a glance
- countrySierra Leone · Africa
- reference cityFreetown (8.48, -13.23)
- risk profileflood, storm, landslide, epidemic, coastal, drought, heat
What counts as a air quality warnings
Air quality warnings are issued when particulate matter (PM2.5 and PM10), ozone, nitrogen dioxide or sulphur dioxide reach levels that harm health, or when Saharan dust, wildfire smoke or winter smog episodes push concentrations up. Values are usually published as an air quality index, but the index scale and its breakpoints differ from country to country.
Who issues air quality warnings in Sierra Leone
- meteoSierra Leone Meteorological Agency
- civilNational Disaster Management Agency
Warning levels, colours and terminology are set nationally. Always read the warning text of the issuing authority: it names the affected districts, the expected time window and the recommended action.
If a warning is active in Sierra Leone
- Ventilate in the early morning on smog days and keep windows shut at peak hours.
- Avoid strenuous outdoor exercise when the index is high.
- Wear a well-fitted FFP2 or N95 mask if you must be outdoors in smoke or dust.
Where the data comes from
Waarning reads public, key-free sources for Sierra Leone: Open-Meteo Air Quality, Copernicus CAMS, national environment agencies, national pollen services. Measurements and official warnings are shown separately, and official warnings always keep the name of the authority that issued them.
Frequently asked questions
Who issues air quality warnings in Sierra Leone?
Sierra Leone Meteorological Agency, National Disaster Management Agency. Waarning does not issue warnings; it aggregates the public feeds of these bodies and links back to the original source.
Does Waarning show live air quality warnings for Sierra Leone?
Yes. The dashboard loads the current values for Freetown from Open-Meteo Air Quality, Copernicus CAMS, national environment agencies, national pollen services. You can open it with one click and the location is already set.
More warnings for Sierra Leone
- Severe Weather Warnings
- Flood Warnings
- Heat Warnings
- Drought Warnings
- Landslide Warnings
- Coastal and Marine Warnings
Air Quality Warnings in nearby countries
Generated 2026-10-18. Waarning is not an official warning service; in an emergency follow local authorities and emergency services.