Network measurements, explored in detail

Filter raw sensor readings by place, pollutant, and date — with network trends and quality breakdowns for the selected window.

Readings: 120
Sensors with data: 51
Parameters: PM2.5
Date range: Sep 13, 2026 – Sep 18, 2026(about 6 days)

Trends

PM2.5 over time

Network aggregate · daily averages for your filter window

13 Sept – 18 Sept 2026

Average AQI

Peak AQI

PM2.5 24.4 µg/m³

Period change (AQI)

+13

First vs last day in window

Passed QC

100%

Review

Failed QC

Top locations

Wa Main Traffic243
Takoradi Market Circle242
Tamale Central High Street242
Ho Central122
Salaga Central122

Filter readings

Narrow the dataset

Adjust filters below — trends and the readings table update together.

Last 24 hours Last 7 days Last 30 days PM2.5 only

SensorRegionParameter

Start dateEnd date

Value range

Quality flag

Clear

Readings

Raw measurements (120)

Showing 1–20 of 120

Newest Oldest Highest

Walewale AQ Station

Sep 17, 2026 · 11:00 PM

PM2.5

21.38µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 10:00 PM

PM2.5

22.19µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 9:00 PM

PM2.5

21.13µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 8:00 PM

PM2.5

32.09µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 7:00 PM

PM2.5

19.73µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 6:00 PM

PM2.5

25.31µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 5:00 PM

PM2.5

24.08µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 4:00 PM

PM2.5

34.55µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 3:00 PM

PM2.5

30.07µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 2:00 PM

PM2.5

24.07µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 1:00 PM

PM2.5

16.23µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 12:00 PM

PM2.5

26.15µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 11:00 AM

PM2.5

24.71µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 10:00 AM

PM2.5

24.63µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 9:00 AM

PM2.5

24.66µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 8:00 AM

PM2.5

43.05µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 7:00 AM

PM2.5

31.61µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 6:00 AM

PM2.5

32.5µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 5:00 AM

PM2.5

24.01µg/m³

Walewale Central • North East

Passed

Walewale AQ Station

Sep 17, 2026 · 4:00 AM

PM2.5

20.3µg/m³

Walewale Central • North East

Passed

Timestamp	Sensor	Parameter	Value	Quality
Sep 17, 2026 11:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	21.38µg/m³	Passed
Sep 17, 2026 10:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	22.19µg/m³	Passed
Sep 17, 2026 9:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	21.13µg/m³	Passed
Sep 17, 2026 8:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	32.09µg/m³	Passed
Sep 17, 2026 7:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	19.73µg/m³	Passed
Sep 17, 2026 6:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	25.31µg/m³	Passed
Sep 17, 2026 5:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	24.08µg/m³	Passed
Sep 17, 2026 4:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	34.55µg/m³	Passed
Sep 17, 2026 3:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	30.07µg/m³	Passed
Sep 17, 2026 2:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	24.07µg/m³	Passed
Sep 17, 2026 1:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	16.23µg/m³	Passed
Sep 17, 2026 12:00 PM	Walewale AQ Station Walewale Central • North East	PM2.5	26.15µg/m³	Passed
Sep 17, 2026 11:00 AM	Walewale AQ Station Walewale Central • North East	PM2.5	24.71µg/m³	Passed
Sep 17, 2026 10:00 AM	Walewale AQ Station Walewale Central • North East	PM2.5	24.63µg/m³	Passed
Sep 17, 2026 9:00 AM	Walewale AQ Station Walewale Central • North East	PM2.5	24.66µg/m³	Passed
Sep 17, 2026 8:00 AM	Walewale AQ Station Walewale Central • North East	PM2.5	43.05µg/m³	Passed
Sep 17, 2026 7:00 AM	Walewale AQ Station Walewale Central • North East	PM2.5	31.61µg/m³	Passed
Sep 17, 2026 6:00 AM	Walewale AQ Station Walewale Central • North East	PM2.5	32.5µg/m³	Passed
Sep 17, 2026 5:00 AM	Walewale AQ Station Walewale Central • North East	PM2.5	24.01µg/m³	Passed
Sep 17, 2026 4:00 AM	Walewale AQ Station Walewale Central • North East	PM2.5	20.3µg/m³	Passed

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