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.
MQ139 Freon Gas Sensor Module for Monitoring
MQ139 Freon Gas Sensor Module for MonitoringMQ139 sensor detects freon gas from 10 ppm to 1000 ppm, ..
Rs.1,412.46 (inc GST)
Rs.1,197.00 + GST
SKU: 1823 | DAB106
Stock: 5
DFRobot Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)
DFRobot Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)MEMS Methane CH4 sensor..
Rs.504.00 (inc GST)
Rs.427.12 + GST
SKU: 10380 | DAJ212
Stock: 9
DFRobot Fermion: H2S Gas Sensor – Hydrogen Sulfide Detector (Breakout, 0.5-50ppm, MEMS, Low Power)
DFRobot Fermion: H2S Gas Sensor – Hydrogen Sulfide Detector (Breakout, 0.5-50ppm, MEMS, Low Power) F..
Rs.932.00 (inc GST)
Rs.789.83 + GST
SKU: 10382 | DAJ214
Stock: 10
DFRobot Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)
DFRobot Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)Fermion CO Sensor..
Rs.539.00 (inc GST)
Rs.456.78 + GST
SKU: 10385 | DAJ217
Stock: 4
ASAIR AO-02 OXYGEN SENSOR
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Rs.2,087.88 (inc GST)
Rs.1,769.39 + GST
SKU: 9794 | DAI569
Stock: 3
Senseair S8 NDIR CO2 sensor
Senseair S8 Low Power CO2 Sensor - NDIR TechnologyS8-CO2 Sensor, measures CO2 from 400 to 10,000 ppm..
Rs.3,859.78 (inc GST)
Rs.3,271.00 + GST
SKU: 10902 | DAK139
Stock: 4
MQ2 GAS SENSOR
MQ2 GAS SENSORMQ2 Gas Sensor for detecting smoke, LPG, CO, and alcohol with a range of 200 to 10000p..
Rs.116.82 (inc GST) Rs.141.60
Rs.99.00 + GST
SKU: 164 | DAA445
Stock: 1
MQ4 GAS SENSOR
MQ4 GAS SENSORMQ4 GAS SENSOR with high sensitivity, fast response time, and analog output.The MQ4 GA..
Rs.175.23 (inc GST)
Rs.148.50 + GST
SKU: 177 | DAA446
Stock: 9
MQ131 Ozone Gas Sensor Module
MQ131 Gas Sensor for Ozone DetectionMQ131 Gas Sensor for monitoring ozone gas concentration with dig..
Rs.970.26 (inc GST)
Rs.822.25 + GST
SKU: 1820 | DAB107
Stock: 5
MQ6 LPG GAS SENSOR
MQ6 LPG Gas Sensor for Home and Vehicle SafetyMQ6 LPG Gas Sensor detects LPG leaks with high sensiti..
Rs.113.28 (inc GST)
Rs.96.00 + GST
SKU: 35 | DAA449
Stock: 13
GP2Y1014AU0F Optical Dust Sensor
GP2Y1014AU0F Optical Dust SensorGP2Y1014AU0F Optical Dust Sensor for precise particulate detection w..
Rs.542.80 (inc GST)
Rs.460.00 + GST
SKU: 10516 | DAJ645
Stock: 20
PMS5003 PM2.5 AIR QUALITY SENSOR BY PLANTOWER
PMS5003 PM2.5 Air Quality SensorPMS5003 sensor measures PM2.5, PM1.0, PM10 using laser scattering te..
Rs.1,786.23 (inc GST)
Rs.1,513.75 + GST
SKU: 7196 | DAG365
Stock: 48
Sensirion SCD30 CO2 Sensor 400-10000 ppm, Temp & RH, I2C Output
Sensirion SCD30 CO2 Sensor 400-10000 ppm, I2C Output Sensirion SCD30 CO2 Sensor, 400-10000 ppm, Te..
Rs.1,961.75 (inc GST)
Rs.1,662.50 + GST
SKU: 9735 | DAI578
Stock: 10
MQ8 Hydrogen Gas Sensor Module for Detection
MQ8 Hydrogen Gas Sensor Module for DetectionMQ8 Hydrogen Gas Sensor Module for H2 Alarm Detection wi..
Rs.174.64 (inc GST)
Rs.148.00 + GST
SKU: 1816 | DAB414
Stock: 5
Mics 5524 Air Quality Monitoring Sensor
MiCS 5524 Air Quality Monitoring Module MiCS5524 Air Quality Sensor for CO and Natural Gas detecti..
Rs.1,095.04 (inc GST)
Rs.928.00 + GST
SKU: 2331 | DAB922
Stock: 5
ZH03B Laser Dust Sensor Module
Winsen ZH03B Particles Sensor PM2.5 Dust SensorWinsen ZH03B PM2.5 Dust Sensor detects dust particles..
Rs.2,050.00 (inc GST)
Rs.1,737.29 + GST
SKU: 2139 | DAB517
Stock: 50
ZMPT101B AC Voltage Sensor Module
ZMPT101B AC Voltage Sensor Module ZMPT101B AC Voltage Sensor Module for monitoring AC mains voltage ..
Rs.134.52 (inc GST)
Rs.114.00 + GST
SKU: 1666 | DAA789
Stock: 10
DFRobot Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm)
DFRobot Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm)Fermion MEMS Sensor for o..
Rs.539.00 (inc GST)
Rs.456.78 + GST
SKU: 10379 | DAJ211
Stock: 7
DFRobot Fermion: NH3 Gas Sensor – Ammonia Detector (Breakout, 1-300ppm, MEMS, Low Power)
DFRobot Fermion: NH3 Gas Sensor – Ammonia Detector (Breakout, 1-300ppm, MEMS, Low Power)Fermion MEMS..
Rs.879.34 (inc GST)
Rs.745.20 + GST
SKU: 10374 | DAJ206
Stock: 49
CCS811 Air Quality Gas Sensor Module
CCS811 Air Quality Gas Sensor ModuleCCS811 Air Quality Sensor ModuleThe CCS811 Air Quality Breakout ..
Rs.1,932.84 (inc GST)
Rs.1,638.00 + GST






















