Air Pollution in Sierra Leone — Live AQI by City, PM2.5/PM10, Smog Alerts and Forecasts

Locations

Camayenne

6 PM2.5 µg/m³

Good

PM10 7.2 NO₂ 3 O₃ 39

Freetown

5.3 PM2.5 µg/m³

Good

PM10 6.6 NO₂ 3.4 O₃ 32

8.9 PM2.5 µg/m³

Good

PM10 9.6 NO₂ 6.9 O₃ 26

Kenema

6.4 PM2.5 µg/m³

Good

PM10 7 NO₂ 5.3 O₃ 27

Kindia

20 PM2.5 µg/m³

Moderate

PM10 24 NO₂ 5.6 O₃ 18

Current data Thursday, August 27, 2026 at 1:00 AM

PM2,5 9 (Good)

PM10 11 (Good)

O3 28 (Good)

NO2 5 (Good)

SO2 1 (Good)

CO 180 (Good)

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
PM2,5	5 Good	8 Good	9 Good	6 Good	4 Good	6 Good	5 Good	5 Good
PM10	6 Good	10 Good	11 Good	8 Good	5 Good	9 Good	7 Good	8 Good
O3	40 Good	43 Good	41 Good	37 Good	38 Good	38 Good	38 Good	37 Good
NO2	2 Good	2 Good	3 Good	2 Good	1 Good	2 Good	2 Good	2 Good
SO2	1 Good	1 Good	1 Good	1 Good	0 Good	1 Good	1 Good	1 Good
CO	169 Good	165 Good	173 Good	162 Good	160 Good	172 Good	162 Good	169 Good

data source »

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

Frequently asked questions

Is the air safe to breathe in Sierra Leone today?

The current average PM2.5 across Sierra Leone is about 9 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Sierra Leone?

Right now PM2.5 in Sierra Leone averages about 9 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which cities in Sierra Leone have the best and worst air quality now?

Kindia currently has the highest PM2.5 (20 µg/m³), while Freetown has the cleanest air (5 µg/m³).

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.

☀️ UV Index · 16-day Forecast — Sierra Leone

The UV index in Sierra Leone today is 7.4 (high) — unprotected fair skin can burn in about 25 minutes.

🌦️ Weather · 16-day Forecast — Sierra Leone

16-day weather forecast for Sierra Leone: today around 28°C (rain), lows near 21°C. Daily temperature and conditions, updated every day.