Region Analytics
Upper West Region
3 monitoring stations
Type to search
Dominant AQI
100.0%
Moderate
Ghana Std Exceedance
0.0%
all stations within standard
WHO Exceedance
100%
71 of 71 days above 15 µg/m³
Active Stations
3
reporting sensors
24-Hour Profile
Regional average PM₂.₅ by hour of day over the last 30 days. Shows when pollution peaks across all stations in the region.
Peak Hour
8 AM
27.7 µg/m³ avg
Cleanest Hour
1 AM
14.1 µg/m³ avg
30-Day Daily Trend
Daily average PM₂.₅ across all stations in the region over the past 30 days. Dashed lines mark the WHO guideline and Ghana Standard.
Monthly Pattern
12-month PM₂.₅ average for the region. Reveals seasonal variation and long-term trends across all monitoring stations.
Worst Month
Jan 2026
65.7 µg/m³
Best Month
Jul 2026
19.4 µg/m³
Day-of-Week Pattern
Regional average PM₂.₅ for each day of the week over the last 90 days. Reveals weekday vs. weekend pollution differences.
Worst Day
Fri
19.8 µg/m³ avg
Best Day
Sat
19.3 µg/m³ avg
90-Day AQI Calendar
Each square is one day coloured by regional average PM₂.₅. Hover for the date and reading.
Above WHO 15
71 days
100% of recorded days
Above Ghana Std 35
0 days
0% of recorded days
Data Coverage
71 / 90
79% of days recorded
AQI Band Distribution
Share of PM₂.₅ readings from all stations in each air quality band over the past 90 days.
Station Rankings
All monitoring stations in this region ranked by their 24-hour average PM₂.₅, highest to lowest.
Most Polluted
Wa Central Market
Moderate
Cleanest Station
Wa Main Traffic
Moderate
Worst Pollution Days
The 10 days with the highest regional average PM₂.₅ over the past 90 days.