📊 Air Quality Analytics

7-day insights, trend analysis, and station comparisons
Total Readings
19515
all time
Active Stations
25
monitoring sites
Avg AQI (7d)
67
network average
Peak AQI (7d)
456
highest recorded
WHO Exceedances
8/7
days PM2.5 > 15 µg/m³
Peak Hour
21:00
worst avg AQI hour
⚠ Worst Station (7d avg)
Tetteh Quarshie Roundabout
Avg AQI 253
✅ Best Station (7d avg)
Kpone Methodists School
Avg AQI 0
7-Day AQI & PM2.5 Trend
AQI Category Distribution
PM2.5 Daily Mean vs Standards (WHO 15 µg/m³ · Ghana 35 µg/m³)
Station Comparison — Avg vs Max AQI (7d)
Station Rankings
#Station Latest AQI Avg AQI (7d) Max AQI (7d) PM2.5 Latest Readings
1 Achimota Interchange 83 60 83 26.5 µg/m³ 3
2 Afri-SET 82 64 118 25.8 µg/m³ 201
3 Ayalolo Cluster of Schools — 54 166 — 170
4 Chisco Transport Terminal 142 90 289 52.3 µg/m³ 186
5 Divine healer's Church, Bethlehem 157 89 456 67.7 µg/m³ 2381
6 EPA Ghana, Accra 187 73 187 124.6 µg/m³ 167
7 Kpone Methodists School — 0 — — 1
8 Mamobi Market 85 57 154 27.5 µg/m³ 91
9 Nima Gutter 75 69 180 21.9 µg/m³ 182
10 Nungua SHS 58 71 167 12.7 µg/m³ 72
11 Odwana Market 72 81 229 20.6 µg/m³ 180
12 Old Fort Road, Accra, Greater Accra Ghana 62 61 93 15.2 µg/m³ 13
13 Osu Presby Prep School 126 74 186 45.5 µg/m³ 194
14 Satet International School, Tema Manhean 132 80 406 48.0 µg/m³ 2381
15 Secondi RCC Roundabout 1 24 122 0.1 µg/m³ 1352
16 Takoradi Market Circle 52 49 224 9.7 µg/m³ 841
17 Tamale Industrial Area 89 54 194 29.5 µg/m³ 505
18 Tamale Municipal Assembly 78 67 209 23.8 µg/m³ 171
19 Tema Community 25 Estate 87 73 178 28.3 µg/m³ 1863
20 Tema Community 3 SSNIT Flat 75 75 75 21.8 µg/m³ 1
21 Tema Community 7, Royal School 133 76 304 48.5 µg/m³ 2382
22 Tema Freezone 52 54 255 9.5 µg/m³ 3427
23 Tema Metropolitan Assembly 63 60 441 15.3 µg/m³ 342
24 Tema Port 77 67 304 23.2 µg/m³ 2383
25 Tudu Ayalolo Bus Terminal 13 76 173 2.3 µg/m³ 26
26 Kaneshie First Light 🔬 FM 231 232 334 180.6 µg/m³ 12
27 Tetteh Quarshie Roundabout 🔬 FM 165 253 323 83.3 µg/m³ 9
Reading Distribution by AQI Category
AQI Health Guidance
AQI RangeCategoryHealth Message
0–50GoodAir quality is satisfactory
51–100ModerateSensitive groups may notice mild effects
101–150Unhealthy for Sensitive GroupsReduce prolonged outdoor exertion
151–200UnhealthyEveryone may begin to experience effects
201–300Very UnhealthyHealth alert — avoid prolonged outdoor activity
301+HazardousHealth emergency — avoid all outdoor activity
7-Day Exceedance Summary
8/7
Days > WHO PM2.5 (15 µg/m³)
67
Network avg AQI
456
Highest AQI recorded
Average AQI by Hour of Day — Pollution Heatmap
Interpretation

This chart shows the average AQI for each hour of the day across the last 7 days of data. Peaks typically correspond to rush hours (07:00–09:00) and evening cooking/traffic (18:00–21:00). Low values overnight reflect reduced human activity.

Peak hour today: 21:00.