Kunak air lite - Ambient, noise and air quality monitoring systems

Kunak AIR Lite Compact outdoor air quality station

The compact air quality station for hyperlocal monitoring


The compact and cost-effective air quality solution is specially designed for industrial applications and mass deployments in cities.

The Kunak AIR Lite, capable of measuring 2 gases and particulate matter simultaneously, is based on the same principles as the Kunak AIR Pro solution and uses the same smart gas sensor technology. It also offers the possibility to connect probes for wind, rain, noise… to meet all the needs of an air quality project.

This industrial air quality solution is designed for harsh environments with an easy integration of real-time data into wired industrial systems and maintaining wireless data transmission to the Kunak Cloud software.


CO   CO  NO   NO2  O3   SO2   H2 NH3  VOCs    |    PM1   PM2.5   PM10

Temperature, humidity, atmospheric pressure and dew point.


Main applications:

  • Industrial fenceline monitoring
  • Massive city deployments
  • Leakage detection
  • Wastewater management
  • Landfill monitoring
  • Environmental Health & Safety (EHS)
  • Building Automation
Smart Environment



Application based design

Select your targeted pollutants for industrial monitoring or massive deployments in cities.

Built-in OLED display

Easy installation and on field diagnosis thanks to its embedded display.


Get the most reliable and accurate data without the need of additional external instruments.

Cost effective

Get the most accurate technology at a fair cost.


Replace and combine gas cartridges and PM sensor with a plug & play system.

Easy data

Local wired integration through slave MODBUS RTU or via API through the cloud.

Rugged & Compact design

The smallest air quality solution designed for harsh environments (IP65 & IK08).


Measure up to 2 gases and particulate matter at once.


Autonomous operation with its built-in battery and solar panel.

Reliable real-time information
on pollution episodes.


Data architecture

The secured encryption and direct communication protocols allow bi-directional communications and facilitate remote configuration, firmware updates, and sensor calibration of the devices.

The communication protocols are designed for low power and low data consumption.


  • Nodes and sensors with embedded communications
  • Samples geolocalized data in real-time
  • Wireless data transfer
  • Remote configuration and calibration
  • Small size and lightweight

* The data is calculated in each node independently, transparently and in real-time. Post-processing is not done in the cloud.


  • Wireless connectivity
  • GPRS | 2G | 3G | 4G| Ethernet | Modbus RTU
  • Embedded systems
  • Enables to make use of local networks


  • Cloud Platform via HTTPS – scalable and secure
  • Hosting  on Amazon web services
  • 99% data availability
  • Redundant databases
  • APN and private VPN On-premises
  • Data export with Open API
  • Multi operator SIM included


Kunak CloudThe advanced platform for air quality networks remote management and noise levels analysis.

  • Advanced analytics.
  • Remote calibration.
  • AQI tools.
  • User management.
  • Data validation & reports.
  • Configuration of sampling periods, sending periods, alarms and thresholds.
  • Open API & Connectors.
  • Fiware, Sentilo and any other customized.
  • Communications engine. Installable with DDBB (various formats).
  • Responsive design.


200 x 153 x 185 mm
Weight <2,3 kg
Enclosure PMMA & Polycarbonate & Stainless steel
Operating temperature -20 ºC to +60 ºC
Operating RH 0 to 99 %RH
IP rating IP65
Battery Lithium 2.9Ah o 20Ah
External supply 7 – 12 Vdc. charger or 6 Vdc. solar panel
Autonomy 24/7 with charger or solar panel
Power consump 0.08 – 0.55W (depending on configuration)
Communications Multi-Band 2G/3G/4G | Ethernet | Modbus RTU Slave
Gas sensors CO, CO2, NO, NO2, O3, SO2, H2S, NH3 & VOCs
PM sensor PM1, PM2.5 and PM10
Internal status Temperature | Battery | Charging voltage & current | Signal
Built-in sensors Temperature | Humidity | Atmospheric pressure | Dew point
Connectors #1: Power 7V to 12V
#2: Several options to choose from:

  • Option 1: Anemometer & Rain Gauge
  • Option 2: Modbus RTU Master
  • Option 3: Sound meter
  • Option 4: Modbus RTU Slave
  • Option 5: Ethernet
Sampling frequency 3Hz gases, 1Hz particles
Avg. periods From 10 seconds to a maximum of 24 hours
Sending periods From 5 minutes to a maximum of 24 hours
Remote management Bidirectional communications
Remote configuration and calibration
SIM Embedded eSIM and SIM holder



Technical specs



Non-dispersive infrared (NDIR)Electro-
Optical particle counterOptical particle counterOptical particle counterOptical particle counterOptical particle counterOptical particle counter

Unit of measurement

μg/m³, ppb(A)
mg/m³, ppm(B)
mg/m³, ppmμg/m³, ppbμg/m³, ppbμg/m³, ppbμg/m³, ppb(A)
mg/m³, ppm(B)
μg/m³, ppbmg/m³, ppmμg/m³, ppb(A)
mg/m³, ppm(B)

Measurement range (1)

0 - 12 ppm(A)
0 - 500 ppm(B)
0-5,000 ppm0-5,000 ppb0-5,000 ppb0-2,000 ppb0 - 2,000 ppm(A)
0 - 20 ppm(B)
0-10,000 ppb0-50 ppm0 - 3,000 ppm(A)
0 - 40 ppm(B)
0 - 1,000 μg/m³0 - 1,500 μg/m³(A)
0 - 1,000 μg/m³(B)
0 - 1,500 μg/m³0 - 2,500 μg/m³(A)
0 - 1,000 μg/m³(B)
0 - 3,000 μg/m³0 - 10,000 counts/cm³

Resolution (2)

1 ppb((A)
0.01 ppm(B)
1 ppm1 ppb1 ppb1 ppb1 ppb(A)
0.01 ppm(B)
1 ppb0.01 ppm1 ppb(A)
0.01 ppm(B)
1 μg/m³1 μg/m³1 μg/m³1 μg/m³1 μg/m³(A)1 counts/cm³(A)

Operating temp. range (3)

-30 to 50 ºC-20 to 50 ºC-30 to 40 ºC-30 to 40 ºC-30 to 40 ºC-30 to 50 ºC-30 to 40 ºC-10 to 50 ºC-40 to 60 ºC-10 to 50 ºC(A)
-10 to 60 ºC(B)
-10 to 50 ºC(A)
-10 to 60 ºC(B)
-10 to 50 ºC-10 to 50 ºC(A)
-10 to 60 ºC(B)
-10 to 50 ºC(A)-10 to 50 ºC(A)

Operating RH range (4)

0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH0 to 99 %RH(A)0 to 99 %RH(A)

Recommended RH range (4)

15 to 90 %RH0 to 95 %RH15 to 85 %RH15 to 85 %RH15 to 85 %RH15 to 90 %RH15 to 90 %RH15 to 90 %RH0 to 95 %RH0 to 99 %RH(A)0 to 99 %RH(A)0 to 99 %RH(A)0 to 95 %RH(A)0 to 95 %RH(A)0 to 95 %RH(A)

Operating life (5)

> 24 months> 7 years> 24 months> 24 months> 24 months> 24 months> 24 months> 24 months10,000 hours> 24 months> 24 months> 24 months(A)> 24 months> 24 months(A)> 24 months(A)

Guarantee range (6)

1,000 ppm-20 ppm20 ppm20 ppm100 ppm100 ppm100 ppm50 ppm(A)
60 ppm(B)

LOD - Limit of Detection (7)

10 ppb((A)
0.02 ppm(B)
-2 ppb2 ppb3 ppb2 ppb((A)
0.01 ppm(B)
3 ppb0.1 ppm1 ppb((A)
0.01 ppm(B)
0.5 μg/m³(A)0.5 μg/m³(A)0.5 μg/m³(A)1 μg/m³(A)1 μg/m³(A)-

Repeteability (8)

20 ppb((A)
0.05 ppm(B)
-4 ppb4 ppb4 ppb4 ppb((A)
0.01 ppm(B)
5 ppb-5 ppb((A)
0.02 ppm(B)
2 μg/m³(A)3 μg/m³(A)3 μg/m³(A)5 μg/m³(A)6 μg/m³(A)-

Response Time (9)

< 30 sec((A)
< 180 sec(B)
< 30 sec< 30 sec< 60 sec< 70 sec< 60 sec< 60 sec< 45 sec< 12 sec((A)
< 10 sec(B)
< 10 sec(A)< 10 sec(A)< 10 sec(A)< 10 sec(A)< 10 sec(A)< 10 sec(A)

Typical Accuracy - MAE (10)

± 80 ppb((A)
± 0.1 ppm(B)
±30 ppm±4 ppb±5 ppb±8 ppb± 10 ppb((A)
± 0.05 ppm(B)
±15 ppb±0.3 ppm± 10 ppb((A)
± 0.1 ppm(B)
±2 μg/m³(A)±3 μg/m³(A)±3 μg/m³(A)±4 μg/m³(A)±6 μg/m³(A)-

precision - R² (10)

> 0.85-> 0.9> 0.85> 0.9> 0.8> 0.7-> 0.99> 0.9(A)> 0.8(A)> 0.8(A)> 0.7(A)> 0.7(A)> 0.8(A)

Typical Slope (10)

0.78 - 1.29-0.9 - 1.120.78 - 1.290.85 - 1.180.78 - 1.290.78 - 1.29-0.99 - 1.0020.85 - 1.18(A)0.85 - 1.18(A)0.85 - 1.18(A)0.85 - 1.18(A)0.85 - 1.18(A)-

Typical Intercept (a) (10)

-50 ppb ≤ a ≤ +50 ppb(A)
-0.1 ppm ≤ a ≤ +0.1 ppm(B)
--2 ppb ≤ a ≤ +2 ppb-4 ppb ≤ a ≤ +4 ppb-3 ppb ≤ a ≤ +3 ppb-2 ppb ≤ a ≤ +2 ppb(A)
-0.02 ppm ≤ a ≤ +0.02 ppm(B)
-5 ppb ≤ a ≤ +5 ppb--9 ppb ≤ a ≤ +9 ppb(A)
-0.08 ppm ≤ a ≤ +0.08 ppm(B)
-1.8 μg/m³ ≤ a ≤ +1.8 μg/m³(A)-2 μg/m³ ≤ a ≤ +2 μg/m³(A)-2 μg/m³ ≤ a ≤ +2 μg/m³(A)-3 μg/m³ ≤ a ≤ +3 μg/m³(A)-4 μg/m³ ≤ a ≤ +4 μg/m³(A)-

DQO - Typical U(exp) (11)

< 20%-< 20%< 25%< 20%NA< 25%NANA< 50%(A)< 50%(A)< 50%(A)< 50%(A)< 50%(A)-

Typical Intra-model
variability (12)

< 3 ppb((A)
< 0.05 ppm(B)
-< 1 ppb< 1 ppb< 1 ppb< 2 ppb((A)
< 0.02 ppm(B)
< 3 ppb< 0.1 ppm< 3 ppb((A)
< 0.1 ppm(B)
< 2 μg/m³(A)< 2 μg/m³(A)< 2 μg/m³(A)< 2 μg/m³(A)< 2 μg/m³(A)-
1. Measurement range: concentration range measured by the sensor.
2. Resolution: smallest unit of measurement that can be indicated by the sensor.
3. Operating temperature range: temperature interval at which the sensor is rated to operate safely and provide measurements.
4. Operating RH range (Recommended RH range): humidity interval at which the sensor is rated to operate safely and provide measurements. Recommended RH range of the sensor for continuous exposure.
5. Operating life: lifetime of the sensor at normal conditions.
6. Guarantee range: limit covered by the guarantee.
7. LOD (Limit Of Detection): measured at laboratory conditions at 20ºC and 50% RH. It is the minimum concentration that can be detected as significantly different at zero gas concentration, based on the metric
from the Technical Specification CEN/TS 17660-1:2022.
8. Repeatability (measured at laboratory conditions at 20ºC and 50% RH): closeness of the agreement between the results of successive measurements of the same measure carried out under the same conditions
of measurement, based on the metric from the Technical Specification CEN/TS 17660-1:2022.
9. Response time: time needed by the sensor to reach 90% of the final stable value.
10. Statistical metric: statistics obtained between hourly measurements of the device and the reference instruments for 1 to 8 months field test between -10 to +30 ºC in different countries.
11. DQO - Typical U(exp): Data Quality Objetive expressed as the Expanded Uncertainity in the Limit Value obtained between hourly measurements of the device and the reference instruments for 1 to 8 months
field test between -10 to +30ºC in different countries, based on the metric from the European Air Quality Directive 2008/50/EC and from the Technical Specification CEN/TS 17660-1:2022.
12. Typical intra-model variability: calculated as the standard deviation of the three sensor means in 1 to 8 months field test between -10 to +30ºC in different countries.


Kunak AIR stations are sensor-based devices equipped with slots to insert Smart gas cartridges.

Kunak Smart Cartridges solve many of the known issues of sensor technology: sensor variability, factory and field calibration, automatic data invalidation, sensor replacement, network operation and maintenance work.

Kunak’s Smart Gas Cartridges ensure measurement control throughout the life cycle of each sensor, making the Kunak AIR stations more sustainable and our customers’ life easier.



Traceable QC & QA icon Endless combinations icon Plug & Play icon More sustainable icon


Each cartridge is calibrated and validated individually in the lab against traceable reference standards.


Combine the parameters freely. Reuse and scale your base stations at your own pace.

Plug &

Simply take the old one out and replace it easily with the new one, on the field. Be back online in 2′.


The electronic and mechanical parts can be
reused, making it the most sustainable AQ sensor-based station in the market.




GasPlug TM technology (patent pending)

All the cartridges have the same size and fit in any of the available sockets. Inside the cartridge, we install the sensor into a PCB that stores its all information: type, age and factory calibration. When you plug the new cartridge, the base station just reads the information, configures itself and starts working.

Carbon monoxide


Carbon monoxide

Carbon dioxide


Carbon dioxide

Nitric Oxide


Nitric oxide

Nitrogen dioxide


Nitrogen dioxide




Hydrogen sulfide


Hydrogen sulfide

Sulphur Dioxide


Sulphur Dioxide




Volatile Organic Compounds


Volatile Organic Compounds

Particulate matter

PM1 - PM2.5 - PM10

Particulate matter




Environmental data

Cº - %RH - hPa

Environmental data


You cannot improve
what you cannot measure.


Sound Level Meter

Low-cost wireless system for the monitoring of urban and industrial noise. Type 2 sound level meter that captures data in real-time and sends it wirelessly to Kunak Cloud. It monitors the noise level in critical points of different areas, provides data 24/7 and allows the configuration of alerts. Small, lightweight and easy to install.


Internal Battery

Kunak Air stations are equipped with a rechargeable lithium battery which prevents the equipment from shutting down due to a power cut. In this way, they can continue working for long periods of time until the power is restored. Different power packs are available to power the devices.


Solar panel

The 6.3-volt high-efficiency monocrystalline solar panel is robust, waterproof (IP67) and has been designed for prolonged outdoor use in any environment. The photovoltaic panel makes the device totally autonomous from the power grid, allowing the installation anywhere without civil works or in remote locations.


Indoor charger

An indoor charger with global plugs is available for testing and verification. Input voltage 100-240V AC 50-60 Hz, Output voltage 9V DC.


Outdoor charger

An outdoor charger must be used when the Kunak AIR station is going to be installed outdoors. It is small (222 x 300 x 200 mm), lightweight (220 g), waterproof (IP67) and has been designed for prolonged outdoor use in any environment. Input voltage 100-240V AC 50-60 Hz, Output voltage 12V DC (AC cable not included).


Mechanical Anemometer

It includes both wind speed and wind direction sensors. Rugged components stand up to hurricane-force winds yet are sensitive to a light breeze. It includes sealed bearings for long life.


Ultrasonic anemometer

It includes both wind speed and wind direction sensors. It is an ultrasonic self-powered anemometer. The power requirement is fairly small and is met by means of a small solar panel sitting on top of the unit along with a rechargeable lithium battery in the wider part of the stem of the unit, immediately below the ultrasonic platform.


Rain gauge

It is highly reliable, simple to maintain and simple to clean. It has proven good performance in all climates and conditions. Proven self-emptying bucket technology to ensure uninterrupted measurement of precipitation regardless of amount and intensity. It measures rain by means of a standardized orifice funnel which collects water into a self-emptying bucket mechanism.



The pyranometer measures solar radiation with a high-quality blackened thermopile protected by a dome. The blackened thermopile provides a flat spectral response for the full solar spectrum range, which enables it to be used under plant canopies or lamps, when the sky is cloudy, and for reflected radiation measurements.


Wet Bulb Globe Thermometer (WBGT)

The wet-bulb globe temperature (WBGT) is a measure of the heat stress in direct sunlight, which takes into account the temperature, humidity, wind speed (wind chill) and solar radiation. It is used in OHSAS, in sporting events and by military agencies to determine appropriate exposure levels to high temperatures.

Ultraviolet-A Sensor

These UV-A sensors detect UV radiation from 300 to 400 nm and are calibrated in energy-flux density units of watts per square meter. Typical applications of UV sensors include incoming UV radiation measurement in outdoor environments or in laboratory use with artificial light sources (e.g., germicidal lamps).






The most complete solution

  • Kunak AIR Pro
    Air quality monitor


  • Kunak AIR Lite
    Air quality monitor


  • Kunak AIR Cloud
    Air Quality and Noise monitoring Software


  • Kunak API
    Integration onto Smart City platforms


Smart Environment catalogue




Let’s talk

Do you need to have more control over your business or city?
Do not hesitate, get in touch with us.
We will study your case and help you find the most appropriate solution.