Air Quality in Waterloo, Sierra Leone

Windy
25.6°C · 79.3% humidity
25.6°
Feels 25.6°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
24 5am
24
24
26 8am
24
24
24 11am
24
25
25 2pm
25
25
25 5pm
25
25
25 8pm
25
25
25 11pm
25
25
24 2am
24
24
AD 728×90

Air Quality Index Trend

44h · 11 stn
79.3%
Humidity
72.2 km/h
Wind S
1013.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
26
6.25 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Waterloo?

Temperature & Precipitation

PM2.5 Trend

44h · 11 stations
PM2.56.25 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Waterloo?

08-03
25.6° 24.1°
11.0 mm
08-04
25.8° 23.8°
56.31 mm
08-05
25.7° 24.8°
2.81 mm
08-06
25.2° 24.4°
14.0 mm
08-07
26.2° 24.7°
1.56 mm
08-08
25.5° 24.6°
8.94 mm
08-09
25.2° 24.8°
2.75 mm
Both models agree Avg diff: 1.2°C

Where are air quality stations near Waterloo?

66
Allen Town Police Station
11.2 km PM2.5: 19.3 µg/m³
74
Lalaba Town Police Station
13.7 km PM2.5: 23.0 µg/m³
91
Shell Police Station
20.1 km PM2.5: 31.3 µg/m³
17
Ross Road Hospital
22.7 km PM2.5: 4.1 µg/m³
62
Mountain Cut
23.3 km PM2.5: 17.2 µg/m³
107
Cottage Hospital
23.4 km PM2.5: 38.0 µg/m³
63
Freetown City Council
24.7 km PM2.5: 17.9 µg/m³
64
Connaught Hospital
24.8 km PM2.5: 18.1 µg/m³
65
34 Hospital
25.1 km PM2.5: 18.6 µg/m³
63
St Edward's Sec. School
25.6 km PM2.5: 17.6 µg/m³

What cities are near Waterloo?

26 Freetown 26 Goderich 38 Port Loko 38 Lunsar 39 Mile 91 26 Njala 30 Forécariah 26 Makeni 30 Bumpe 25 Conakry
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T08:20 UTC.