Instrumentation & Measurement Magazine 25-9 - 59

Fig. 7. Histogram of outdoor air quality monitoring data at different time
instances at Bashundhara, Dhaka, Bangladesh.
Table 5 - Outdoor air quality data with the
concentration of various pollutants (PPM)
of Bashundhara, Dhaka
CO
174.58
174.58
165.17
Fig. 6. Concentrations of various air pollutants at different time instances
at Uttara, Dhaka, Bangladesh demonstrated in real-time in the Blynk IoT
smartphone application.
monitoring system utilizing an uncrewed aircraft vehicle. We
built a GPS-based drone technology that can travel on a specific
path following our command in the first phase. We made
an external IoT device using different gas sensors, a particulate
matter (PM) sensor, and a camera and integrated it with
the drone. Next, we measured the air pollutants from the specific
locations of Dhaka and took pictures in real-time to get
the structural aerial view of the place where we measured the
165.328
174.58
(CO2
LPG
, O3
288.5
288.61
290.85
289.68
288.5
, SO2
)
Dust
100.4
100.65
101.14
100.65
100.4
NOx
58.64
58.81
58.63
58.96
58.64
data. In the final phase of the study, we graphically analyzed
the obtained air pollution data from indoor and outdoor environments.
We stored real-time data from the air and utilized a
plotting system using a local server which is time-efficient and
cost-effective. The value of the collected dataset of air pollutants
alarmingly exceeds the safe level concentration of the air
quality guidelines.
Reference
[5]
[6]
[7]
[9]
[10]
This work
December 2022
Main features
IoT-based air
contaminants
monitoring
Participatory air
characteristics
investigation
IoT-based air pollutants
monitoring
Automatic monitor and
regulate various air
pollutants
Monitor air and sound
pollution
Automatically collect and
monitor air quality data
Table 6 - Comparison of the proposed device with other developed works
Primary
microcontroller
Arduino Mega
Arduino MKR
WAN
Arduino Uno
Arduino Uno
Raspberry Pi Zero
NodeMCU
Employed sensors
Gas sensors
Gas sensors
Gas sensors
Gyrometer, altitude,
ultrasound and gas
sensors
CCS811, microphone,
laser dust and MICS6814
sensors
Gas sensors
IEEE Instrumentation & Measurement Magazine
XBee antenna
ZigBee
ESP8266 Wi-Fi
module
XBee antenna
ESP8266 Wi-Fi
module
NodeMCU Wi-Fi
Module
Communication
technique
Approximated
cost (USD)
N/A
N/A
N/A
N/A
820
360
59

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