Region Analytics

Northern Region

3 monitoring stations

Mostly Moderate
66.7% Moderate dominant AQI
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Dominant AQI

66.7%

Moderate

Ghana Std Exceedance

33.3%

stations above 35 µg/m³

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

33.4 µg/m³ avg

Cleanest Hour

3 AM

16.7 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

77.1 µg/m³

Best Month

Jul 2026

22.7 µg/m³

Jan 2026
77.1 µg/m³
Feb 2026
70.1 µg/m³
Mar 2026
52.8 µg/m³
Apr 2026
33.9 µg/m³
May 2026
26.3 µg/m³
Sep 2026
22.9 µg/m³
Jun 2026
22.8 µg/m³
Aug 2026
22.8 µg/m³
Jul 2026
22.7 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

Thu

23.2 µg/m³ avg

Best Day

Mon

22.5 µg/m³ avg

90-Day AQI Calendar

Each square is one day coloured by regional average PM₂.₅. Hover for the date and reading.

Good (≤12)
Moderate (≤35)
Sensitive (≤55)
Unhealthy (≤150)
Very Unhealthy
No data

Above WHO 15

71 days

100% of recorded days

Above Ghana Std 35

1 days

1% 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.

Good 0-12 µg/m³
0.1% 2 readings
Moderate 12-35 µg/m³
96.0% 3201 readings
Sensitive 35-55 µg/m³
4.0% 132 readings
Unhealthy 55-150 µg/m³
0.0% 1 readings
Very Unhealthy 150-250 µg/m³
0.0% 0 readings
Hazardous 250+ µg/m³
0.0% 0 readings

Station Rankings

All monitoring stations in this region ranked by their 24-hour average PM₂.₅, highest to lowest.

Most Polluted

Tamale Central High Street

Unhealthy

Cleanest Station

Tamale North AQ Station

Moderate

Worst Pollution Days

The 10 days with the highest regional average PM₂.₅ over the past 90 days.

#1 18 Sep 2026
48.3 µg/m³ Sensitive
#2 02 Aug 2026
24.1 µg/m³ Moderate
#3 13 Aug 2026
24.0 µg/m³ Moderate
#4 27 Aug 2026
24.0 µg/m³ Moderate
#5 15 Sep 2026
24.0 µg/m³ Moderate
#6 10 Jul 2026
23.8 µg/m³ Moderate
#7 11 Aug 2026
23.8 µg/m³ Moderate
#8 14 Aug 2026
23.8 µg/m³ Moderate
#9 25 Aug 2026
23.7 µg/m³ Moderate
#10 10 Aug 2026
23.6 µg/m³ Moderate