Introduction

Indoor air pollution has been consistently ranked by the US Environmental Protection Agency (EPA) and its Science Advisory Board to be among the top five environmental public health risks. The average person spends an estimated 90% of their time indoors so that poor indoor air quality (IAQ) poses a substantial risk to public health. Poor air quality may cause increased short-term health problems such as fatigue and nausea as well as chronic respiratory diseases, heart disease, and lung cancer. It is estimated that the annual costs and productivity losses in US is $10 to $20 billion related to sick building syndrome, which is defined to describe acute health and discomfort effects that appear to be linked to poor indoor air quality and the time spent in a building.

In this project, we are going to present an indoor air quality monitoring system. Our system is connected to the Internet, and as a result, anyone can remotely visualize the air quality index form anywhere.

Possible Application Domain of This System
Homes and offices
Industries
Remote sensing for firefighters
Research and agriculture
Hospital and clinic
ICU unit


Things
Wide range of IoT boards with WiFi (MKR1000 and Yún Rev2) and GSM/narrowband connectivity (MKR FOX 1200, MKR WAN 1300, and MKR GSM 1400). [For prototyping this project I used Arduino Leonardo with Yun shield]
Gas sensors (MQ-2, 3, 7)
Air quality sensor (MQ-135)
Android device
Mobile application development platform
IoT-cloud
Jumper wires
Programming skills
Arduino IDE/Arduino Web IDE
Solar panel for green power source
Future Plan
Onboard indicator added for indicating the air quality index.
Buzzer-based alarm while highly pollution is detected.
Push notification for notifying the users during hazardous situation

Inspiration

Poor air quality may cause increased short-term health problems such as fatigue and nausea as well as chronic respiratory diseases, heart disease, and lung cancer. It is estimated that annual costs and productivity losses in US is $10 to $20 billion related to sick building syndrome, which is defined to describe acute health and discomfort effects that appear to be linked to poor indoor air quality and the time spent in a building.so we need to create an air quality monitor system for indoor so..We created this system using iot and sensors connected to a android mobile . There are apps for everything we create an application to alert users of their air quality

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