Air Quality in Freetown, Sierra Leone

Heavy Rain
23.7°C · 95.0% humidity
23.7°
Feels 23.7°
70
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
11 stations

Nearby Monitoring Stations

AQI Forecast
24 5am
24
24
70 8am
57
48
41 11am
36
33
30 2pm
28
27
26 5pm
26
25
25 8pm
25
25
25 11pm
25
24
24 2am
24
24
AD 728×90

Air Quality Index Trend

46h · 11 stn

Current PM2.5 concentration in Freetown is 1.4× the WHO 24-hour guideline of 15 µg/m³.

95.0%
Humidity
9.9 km/h
Wind S
1013.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
70
21.23 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Freetown?

Temperature & Precipitation

PM2.5 Trend

46h · 11 stations
PM2.521.23 µg/m³ ×1.4 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (11 stations within 25 km)
21.23
Median
14.62
Average
7.86
Low
29.96
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -15.1
Both models agree Avg diff: 1.0°C

Where are air quality stations near Freetown?

41
Freetown City Council
0.4 km PM2.5: 9.8 µg/m³
77
Connaught Hospital
0.4 km PM2.5: 24.3 µg/m³
43
Mountain Cut
1.2 km PM2.5: 10.4 µg/m³
38
St Edward's Sec. School
1.3 km PM2.5: 9.2 µg/m³
36
SLBC
1.8 km PM2.5: 8.7 µg/m³
53
Cottage Hospital
1.9 km PM2.5: 13.1 µg/m³
68
Ross Road Hospital
2.7 km PM2.5: 20.1 µg/m³
33
34 Hospital
3.8 km PM2.5: 7.9 µg/m³
89
Shell Police Station
5.1 km PM2.5: 30.0 µg/m³
41
St Mark Church Lumley
5.4 km PM2.5: 9.9 µg/m³

What cities are near Freetown?

49 Goderich 58 Waterloo 26 Port Loko 26 Lunsar 27 Forécariah 30 Mile 91 30 Conakry 30 Camayenne 30 Dixinn 31 Coyah
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-10T08:22 UTC.