The uRADMonitor MODEL A3 is a plug-and-play, automated air quality monitoring station designed for continuous, unattended operation. Using 8 high-quality sensors, it simultaneously tracks 11 environmental parameters: particulate matter (PM1, PM2.5, PM10), ozone, formaldehyde, carbon dioxide, volatile organic compounds (VOC), temperature, barometric pressure, humidity, and noise level. It is lab-tested for accuracy , validated by […]
The Project Students at the Emil Racoviță Theoretical High School in Vaslui set out to do something most schools wouldn’t attempt: design and build a smart solar bench from scratch. They built it, wired it, and equipped it with electronics and the result is a functional piece of outdoor furniture that doubles as an environmental […]
The MODEL A3 (hardware version 10 and above) is designed so the three sensors that age can be replaced at home, with no soldering. The process takes about 15 minutes. What wears out and why Three sensors have a designed lifespan of approximately two years: Everything else: CO2 (optical principle), temperature, humidity and pressure (MEMS […]
Compromise: 21 July 2026, 07:56:34–07:56:42 UTC Wider campaign against this host: 18–21 July 2026 Affected system: cerespir.ro (WordPress front-end) Impact on uRADMonitor sensor network, API and measurement data: none Status: contained, cleaned, patched What cerespir.ro is, and what it is not cerespir.ro (“Ce respir” what I breathe) is our Romanian-language public platform for air quality […]
For years, the uRADMonitor network has been quietly doing what no single sensor can: covering the planet with a continuous, real-time picture of radiation, air quality and toxic gas concentrations. What it lacked was a way to tell you, the user behind the screen, immediately, when something you care about crossed a line you drew […]
Starting this month, uRADMonitor automatically notifies sensor owners when their devices need attention. The system covers two situations: sensors that have gone offline, and sensors with aging electrochemical cells that are due for maintenance. Aging warning applies to the uRADMonitor CITY, INDUSTRIAL, SMOGGIE-GAS, SENSIGAS, MODEL A3 and MODEL A4. Why this matters The value of […]
We said this already, but here at uRADMonitor, everything we learn in the field, every piece of user feedback, and every R&D result feeds into new products or upgrades: implementing better sensors, new connectivity options, and improvements that increase lifespan, robustness and accuracy. This is the direct result of our commitment to building the world’s […]
What if students could measure the air quality of their own school yard, compare it with data from a school in Portugal, and contribute that data to a global environmental monitoring network, all as part of their classroom curriculum? That is exactly what the EcoRoots Erasmus+ project is doing, and Școala Gimnazială Slobozia Mândra from […]
Recently my uRADMonitor A3 WiFi unit stopped connecting to the network. The device would power up but was unable to establish a WiFi connection. The symptom, 3 beeps and no hotspot. My initial suspicion was that the ESP-04 WiFi module had failed, so I began searching for replacement modules and placed an order for new […]
We are excited to announce that uRADMonitor CITY now supports SDI-12, the industry-standard serial digital interface widely used in environmental monitoring and data acquisition. With this update, uRADMonitor CITY can be connected directly to dataloggers, PLCs, weather stations, and other SDI-12 compatible equipment, opening the door to deployments in scientific, industrial, and municipal monitoring networks […]
Troubleshooting a KIT1 inverter that stayed near 90% duty cycle After publishing the Visual Studio Code build notes for the uRADMonitor KIT1 firmware, I continued testing an inverter duty-cycle issue on my KIT1 unit. My unit was able to reach the target Geiger tube voltage of 380V, but the inverter duty cycle was higher than […]
Today we are releasing the new Frontend v7 , the most capable version of the uRADMonitor map interface to date. Following the previous results implemented in the last version, the new Frontend 07 is built on OpenLayers 10, runs entirely in the browser with no plugins, and works on desktop and mobile alike. If you […]
This article documents the steps I used to compile the uRADMonitor KIT1 firmware from the Github code/124 directory using Visual Studio Code on Windows. The original uRADMonitor KIT1 firmware project was created for the AVR toolchain and appears to have been maintained using an Eclipse AVR-style project structure. That original setup is still valid, and […]
Almost 100 advanced uRADMonitor® #AirQuality sensors (A3, Model CITY + the new METEO for #Weather ) are being deployed in Bistrița 🇷🇴 via the EU 🇪🇺 B-CONNECT project! Several Universities are part of the consortium for data analysis & #Research 🌬️📡 In 2021, the city of Bistrița took a pioneering step toward environmental sustainability by […]
Fireworks are launched by a small rocket that explodes in the sky, creating brilliant colors from burning metallic salts (e.g., strontium for red, barium for green, copper for blue) along with loud bangs and clouds of smoke. The explosion releases soot, chemical residues, heavy metals, burned paper, and large amounts of fine particulate matter (PM2.5 […]
As we wrap up 2025 with this end-of-year article, we’re thrilled to celebrate a year of impressive hardware advancements at uRADMonitor, pushing sensor precision and network reach to new heights. Above all, peace has been the greatest gift, creating the ideal conditions for creativity and progress to thrive, and 2025 delivered that, at least for […]
The uRADMonitor MODEL A3 is among the most capable multi-parameter air quality sensors currently available. Housed in a compact rugged enclosure, it integrates eight independent, high-quality digital sensors that monitor eleven air parameters: temperature, barometric pressure, relative humidity, volatile organic compounds (VOCs), formaldehyde, ozone, particulate matter (PM1, PM2.5, PM10), carbon dioxide, and noise level. Measurements […]
Magnasci SRL, the Romanian 🇷🇴 company behind the global uRADMonitor sensor network, has recently marked its ten-year milestone. Over this decade, the company has shown steady and visible progress: rapid product development, integration of advanced IoT and satellite technologies to remain competitive in a dynamic market, and continuous international expansion. Today, more than 4,000 uRADMonitor […]
The PM2.5 field test Inter-comparison Campaign previously announced in July, has now been launched in Vietnam’s capital Ho Chi Minh City, led by Institut Polytechnique de Grenoble and the CARE (Center of Asian Research on watEr) laboratory. The initiative is a collaboration between the Faculty of Environment – VNUHCM University of Science and the IGE laboratory (Institut des Géosciences de l’Environnement, Grenoble, France), […]
Just weeks after the massive late-August fire, another major blaze erupted on Tuesday evening, September 23, at a warehouse in Bucharest’s Sector 2, sending a huge cloud of smoke over the city. Firefighters have been working through the night and into Wednesday, with operations expected to continue for the entire day. Authorities issued multiple Ro-Alert […]
The uRADMonitor® KIT1 is an open-source IoT sensor, designed to be highly configurable and easy to hack. By default, it comes with a Geiger tube and an Ethernet module, making it perfect for autonomous radiation monitoring. You can order a pre-assembled unit here. Launched in 2016 during our first IndieGogo crowdfunding campaign, KIT1 has inspired makers worldwide. The full […]
On the morning of August 27, 2025, Bucharest woke up under a toxic cloud. A massive fire at the Dragonul Roșu commercial complex in Pantelimon sent thick smoke drifting across the city, with acrid air reported as far as Berceni and downtown Unirii. Official monitoring stations recorded pollution levels up to ten times above normal, with fine […]
uRADMonitor donates refurbished 🌱 air quality monitors for education and civic use At uRADMonitor, we believe technology should serve people and communities. Besides driving innovation in IoT and sensor technologies, another key directive we follow is to increase environmental awareness and responsibility. As part of our regular maintenance cycle, some uRADMonitor sensors were returned. While a […]
What Is Indoor Air Pollution? Indoor air pollution refers to the presence of harmful substances within indoor environments, often resulting from various sources like cooking, heating, cleaning products, and building materials. Prolonged exposure to these pollutants can lead to a range of health issues, including physical and cognitive issues, contributing to the phenomenon known as “Sick […]
Soon after joining URBREATH , an European initiative aimed at improving urban air quality through advanced monitoring and data-driven action , Cluj-Napoca integrated several dozen uRADMonitor® sensors across the city. The project brings together research institutions, technology providers, and local authorities to build networks of environmental sensors, collect real-time pollution data, and involve communities in […]
The last edition was a huge success . Now the AIRLAB Microsensors Challenge 2025 continues its mission to evaluate and promote innovation in air quality monitoring. Organized by Airparif and its open innovation platform AIRLAB, the challenge provides an independent, real-world performance assessment of air quality microsensors. It empowers decision-makers with trusted data to tackle air pollution, a global issue […]
We are excited to share the latest deployment of uRADMonitor SMOGGIE-HEAT sensors in Vietnam, as part of a collaborative research initiative led by the prestigious Institut Polytechnique de Grenoble (INP Grenoble). This marks another important step in our commitment to supporting global scientific research and innovation in air quality monitoring. About INP Grenoble Located in the […]
The MODEL INDUSTRIAL is a high-end air quality monitoring unit built for harsh environments, featuring a robust aluminium enclosure, industrial-grade sensors, and connectivity options like Ethernet, WiFi, and GSM. It has been successfully deployed in industrial facilities, research stations, environmental protection agencies, and city-wide monitoring networks across Europe, Asia, and the Americas. The last time […]
Developed to meet the growing demand for accurate, localised data, the MODEL A4 is as a modular, durable, and easy-to-maintain device, launched in late 2023 to improve reliability and simplify field servicing in diverse outdoor conditions. Its multi-parameter sensing capabilities, combined with the weatherproof enclosure and the versatile modular design that simplifies field installation and […]
uRADMonitor is one of the biggest global sensor networks for environmental monitoring, providing real-time data on air quality, radiation, and other parameters. While most of the units in the network are made by us and typically come with a predefined unique Device ID, assigned at manufacture time, the network allows open hardware and custom sensors to […]
I am a researcher working on topics related to aerosol composition and dynamics, in particular the measurement and analysis of PM2.5 and PM10 in urban environments. In my work I have been using data from uRADMonitor devices to obtain a better understanding of air quality in Romanian cities. Low-cost sensors vs. reference grade equipment Low-cost […]
Technology and art are deeply connected, working together to enrich the human spirit. Technology enhances creativity, offering tools like digital media, 3D modeling, and virtual reality that enable artists to push beyond traditional boundaries. Art, in turn, brings humanity to technology, embedding it with emotion, storytelling, and cultural depth. This synergy produces immersive experiences—such as […]
Today in Hiroshima, a Ceremony marks 79 years since the devastation of humankind’s first use of a nuclear weapon in war. In a moment of unprecedented global tension, the Japanese people remind the world of the horrors of nuclear war and hope the mistakes of the past not be repeated. About 50,000 people took part […]
Over 100 uRADMonitor® MODEL A4 units were recently deployed across Sector 1 of Bucharest in a major air quality monitoring initiative. Introduced in late 2023, the MODEL A4 is a modular, outdoor-ready device featuring a detachable sensor board, OTA updates, strong connectivity, and a weather-resistant Stevenson shield. Its design allows quick field maintenance, while the […]
What started almost 125 years ago in the form of the wireless telegraph, an invention attributed to the italian inventor Marconi, now is part of our every day life, so deeply integrated into our lifestyles and work processes that there’s no going back. Telecommunications are undeniably one of humanity’s greatest accomplishments, driven by an inherent […]
There is a known correlation between the traffic in a city and the level of pollution, as has been shown in several studies. While the exhaust emissions are directly linked to the number of cars and this figure increases in time, there are also the non-exhaust emissions that raise additional questions and need complementary solutions. […]
The uRADMonitor MODEL B1 is an automated and autonomous radiation monitor designed to detect both high and low dose rates of gamma radiation. It operates on solar power and transmits data in real time via a GSM radio link. Remote access to the data is offered through the existing API. It’s designed with redundancy as […]
The MODEL CITY is our professional range sensor featuring 4 large volume electrochemical gas sensors that track gases down to trace levels of 1PPB. All this with an excellent accuracy thanks to the innovative electronic design that minimises noise levels at low concentrations. The new design measures Ozone, Nitrogen Dioxide, Sulphur Dioxide, Carbon Monoxide , […]
Advances in optical particulate matter sensors have opened the door for the existence of air quality monitoring networks using low cost sensors. The reduced cost allowed the spread of thousands of IOT automatic sensors, offering an unprecedented spatial resolution, the so called “hyperlocal air quality monitoring”. While signifiant technical advances have been made to offer […]
uRADMonitor® MODEL A4 was built on community feedback that repeatedly indicated the importance of a modular design. The board with sensors should be separated and so can be changed easily. Besides that , things like a better microcontroller that will allow OTA updates, a stronger WIFI connectivity and a very nice Stevenson shield were also […]
“Our radiation sensors can’t stop radiation, but they can provide vital information that can save lives in the possible event of a deliberate nuclear disaster. Having listened to the voices of local authorities and politicians across southern Ukraine, and following up on their efforts, Greenpeace is deeply committed to its work of supporting the Ukrainian […]
While keeping pace with the ever-evolving tech progress we also fulfil our mission of building World’s biggest environmental monitoring network. This pushes us to shape our innovative potential into constantly developing more versatile hardware designs. We are proud to reiterate that in all that we do, we listen to our community. One frequent requirement was […]
Today was a great day as uRADMonitor was a double winner in Paris, at the closing event of the International AIRLAB 2023 Microsensors Challenge. This year, the Challenge took a daring approach, running sensor tests in 3 locations, two in France and one in Thailand. The latter contributed with a new set of valuable data […]
The year 2022 brought a cynical demonstration of the fact that part of humanity has not yet overcome the barbarism specific to the Middle Ages. This happened through the military incursion of the Russians into the peaceful Ukraine. One thing led to another and not long after, strategic objectives were under fire including Zaporizhzhia Nuclear […]
One year later, Craiova hosts the second edition of the “Summer School” Erasmus+ project “Application of advanced technologies in teaching and research, in the field of air pollution”. As a reminder, this successful project is developed by the University of Craiova in partnership with the Adana Türkeş Alparslan University of Science and Technology (Turkey), the […]
The Ontario wildfires are a serious environmental and health issue that affects many people and communities. According to provincial data, there have been 167 forest fires so far in 2023, which is double the number of fires in the same period in 2022 . The fires have also caused smoke to drift across the province, […]
If you are reading this I am assuming that you care about your health and the environment. About 6 months ago I wanted to see if I could find opportunities to help the greater good. Nothing big and lofty but I figured maybe I could use my internet connection to foster public good. The first thing I […]
We know well that traffic is a major source of pollution. But what does that mean, actually? First thing that pops to our minds is, of course, the exhaust gas, that contains carbon monoxide, nitrogen oxides, and particulate matter, all of which can have harmful effects on human health, especially with long-term exposure. It’s generally […]
30 uRADMonitor devices shipped to France and Thailand for a new edition of the AIRPARIF challenge. Airparif is a French non-profit organization dedicated to improving air quality. The Microsensors Challenge is a competition organized by Airparif that aims to encourage the development of innovative microsensors for monitoring air pollution. The competition is open to individuals, […]
Innovation Labs celebrated a decade of activity in the service of the Romanian entrepreneurship and innovation. The event took place on Monday at the Bucharest National Opera, bringing together representatives of tech startups, of the nine main partners of the program, investors and friends of the innovation ecosystem. The Innovation Labs Gala was an opportunity […]
