GAS and Air Quality Sensor
Buy Gas & Air Quality Sensors Online in India – Reliable Detection Modules for Safety & IoT
DNA Technology, an online electronic component store in India based in Nashik, supplies a comprehensive range of gas and air quality sensors for environmental monitoring, safety systems, and IoT applications. We provide industries, research labs, and embedded developers across India with genuine, performance-tested modules that ensure accurate gas detection and air analysis.
Our sensors are designed to measure the concentration of gases like LPG, CO₂, CO, methane, and smoke while monitoring overall air quality. These modules are ideal for automation systems, air purifiers, and smart home projects.
- ✅ High-accuracy gas & air quality detection sensors
- ✅ Compatible with Arduino, Raspberry Pi & ESP boards
- ✅ Available for LPG, CO₂, CO, smoke & general air quality
- ✅ Fast delivery across India with GST invoice
Explore Our Gas & Air Quality Sensor Range
We stock popular modules including MQ-series sensors (MQ-2, MQ-3, MQ-7, MQ-135), CCS811, and MH-Z19B CO₂ sensors. These sensors provide analog and digital outputs for integration with IoT platforms, safety alarms, and ventilation control systems.
Applications of Gas & Air Quality Sensors
Gas and air quality sensors are widely used in indoor air monitoring, industrial safety systems, environmental control, and IoT automation. They help detect harmful gases, track CO₂ levels, and maintain safe air quality standards in real time.
When you buy gas and air quality sensors online in India, you get authentic and calibrated modules from trusted suppliers — delivered quickly and supported by reliable customer service.
Frequently Asked Questions about Gas & Air Quality Sensors
Q: What types of gas sensors are available?
We offer MQ-series sensors (MQ-2, MQ-3, MQ-7, MQ-135), CCS811, and MH-Z19B modules for detecting gases such as LPG, methane, CO, CO₂, and air pollutants.
Q: Are these sensors suitable for Arduino and IoT projects?
Yes, most modules output analog or I2C signals, making them easy to interface with Arduino, ESP32, and Raspberry Pi boards.
Q: Can I buy single sensors?
Yes, individual sensors and bulk quantities are both available.
Q: Do you provide GST invoices?
Yes, all orders include a GST-compliant invoice from DNA Technology.
Q: What is the average shipping time?
In-stock products are typically shipped within 24 hours, with delivery across India in 2–5 working days.
Q: What if I can’t find a particular gas sensor model?
No worries — simply contact us with your gas type or range requirement, and we’ll help you find the right sensor or equivalent model.
Explore more environmental and safety sensors online in India — all genuine, quality-tested modules ready for fast delivery.
MH-Z19B NDIR CO2 Gas Sensor Module
MH-Z19B NDIR CO2 Gas Sensor ModuleMH-Z19B NDIR infrared Carbon dioxide gas moduleMH-Z19B is a very e..
Rs.2,377.70 (inc GST)
Rs.2,015.00 + GST
SKU: 1641 | DAB096
Stock: 0
Winsen ZE03-H2 GAS Sensor Module
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Rs.13,259.66 (inc GST)
Rs.11,237.00 + GST
SKU: 1769 | DAB097
Stock: 0
MQ5 GAS SENSOR
MQ5 GAS SENSORMQ5 Gas Sensor detects LPG and natural gas, featuring high sensitivity, fast response,..
Rs.175.23 (inc GST)
Rs.148.50 + GST
SKU: 330 | DAA443
Stock: 7
DFRobot Gravity I2C Oxygen Sensor
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Rs.6,552.00 (inc GST)
Rs.5,552.54 + GST
SKU: 9739 | DAI598
Stock: 0
MQ3 ALCOHOL GAS SENSOR
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Rs.118.00 (inc GST)
Rs.100.00 + GST
SKU: 1 | DAA447
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ZMCT103C AC Current Sensor Module
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Rs.112.10 (inc GST)
Rs.95.00 + GST
SKU: 1707 | DAA859
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Nova PM2.5 SDS011 Air Quality Sensor Module
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Rs.2,380.06 (inc GST)
Rs.2,017.00 + GST
SKU: 1999 | DAA980
Stock: 10
AGS02MA ASAIR TVOC 12C MOS SENSOR
AGS02MA ASAIR TVOC 12C MOS Sensor for Air Quality Monitoring AGS02MA sensor measures VOCs in air, o..
Rs.200.60 (inc GST)
Rs.170.00 + GST
SKU: 7040 | DAH020
Stock: 0
MQ139 Freon Gas Sensor Module for Monitoring
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Rs.4,602.00 (inc GST)
Rs.3,900.00 + GST
SKU: 1823 | DAB106
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Winsen ZH07 Laser Dust Sensor Module
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Rs.1,516.71 (inc GST)
Rs.1,285.35 + GST
SKU: 8999 | DAI072
Stock: 2
Winsen ZE03-NO2 GAS Sensor Module
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Rs.12,508.00 (inc GST)
Rs.10,600.00 + GST
SKU: 1763 | DAB099
Stock: 2
MQ6 LPG GAS Sensor Module
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Rs.133.34 (inc GST)
Rs.113.00 + GST
SKU: 939 | DAB412
Stock: 27
MQ137 Ammonia Gas Sensor Module for Monitoring
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Rs.2,666.80 (inc GST)
Rs.2,260.00 + GST
SKU: 1819 | DAB104
Stock: 1
MQ136 Hydrogen Sulfide Gas Sensor Module
MQ136 Hydrogen Sulfide Gas Sensor ModuleMQ136 Gas Sensor for Hydrogen Sulfide detection with digital..
Rs.1,994.20 (inc GST)
Rs.1,690.00 + GST
SKU: 1818 | DAB103
Stock: 2
MQ-303A Alcohol Gas Sensor Module
MQ-303A Alcohol Gas Sensor ModuleMQ-303A sensor detects alcohol with high sensitivity and quick resp..
Rs.295.00 (inc GST)
Rs.250.00 + GST
SKU: 1814 |
Stock: 0
DFRobot Fermion: VOC Gas Sensor – Volatile Organic Compounds Detector (Breakout, 1-500ppm, MEMS)
DFRobot Fermion: VOC Gas Sensor – Volatile Organic Compounds Detector (Breakout, 1-500ppm, MEMS) Fer..
Rs.504.00 (inc GST)
Rs.427.12 + GST
SKU: 10381 | DAJ213
Stock: 8
DFRobot Fermion: MEMS Ethanol Gas Sensor - Compact EtOH Detector (1-500ppm, Breakout)
DFRobot Fermion: MEMS Ethanol Gas Sensor - Compact EtOH Detector (1-500ppm, Breakout) MEMS ethanol s..
Rs.504.00 (inc GST)
Rs.427.12 + GST
SKU: 10373 | DAJ205
Stock: 10
DFRobot Fermion: MEMS Smoke Detection Sensor - 10-1000ppm Range (Ethanol Compatible, Breakout)
DFRobot Fermion: MEMS Smoke Detection Sensor - 10-1000ppm Range (Ethanol Compatible, Breakout)Ultra-..
Rs.539.00 (inc GST)
Rs.456.78 + GST
SKU: 10384 | DAJ216
Stock: 10
Sensirion SPS30 Particulate Matter Sensor for Air Quality
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Rs.3,774.82 (inc GST)
Rs.3,199.00 + GST
SKU: 10398 | DAJ506
Stock: 5
DFRobot Fermion: Formaldehyde Sensor (Breakout, 0-3ppm MEMS HCHO Detection, Low Power)
DFRobot Fermion: Formaldehyde Sensor (Breakout, 0-3ppm MEMS HCHO Detection, Low Power)Fermion HCHO S..
Rs.605.00 (inc GST)
Rs.512.71 + GST






















