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About This Podcast
Discover the OPSIS podcast on air quality! We explore the invisible world around us, that is the air we breathe, and what it contains. We uncover what is really in the air and how it is shaping our health, our climate, and our future.
Whether you are interested in environmental matters, engaged in air quality monitoring, or just someone who wants to breathe a little easier – welcome to listen.
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Recent Episodes
S1E13 #13: Air Pollution Part 2 – Sources of Gaseous Substances
We continue the series of articles on air pollution by taking a closer look at where gas-phase air pollution comes from. The presentation is based on facts from the OPSIS blog on this topic. Dialogue…
S1E12 #12: Air Pollution Part 1 – What’s in the Air?
What is air pollution, where does it come from, and what can we do about it? This article is a first in a short series addressing these topics. The presentation is based on facts from the OPSIS blog…
S1E11 #11: Spring is in the Air Episode
At the home of OPSIS, the phrase ‘spring is in the air’ is an established saying, which means long-awaited warmer and longer days and the sense of a new beginning. But what’s in the air in the…
S1E10 #10: Inside the Gas Analyser – the Tuneable Diode Laser
OPSIS is probably best known for its gas analyser systems based on broad-band (“white”) light from xenon lamps and spectrometers or interferometers as the core analysis devices. However, OPSIS also…
S1E9 #09: Buying AQM Equipment or Air Quality Data – It’s Your Choice
In the traditional approach to air quality monitoring, those “who wants to know” have also owned and maintained the monitoring equipment generating the answers. However, recent years’ slimmed…
S1E8 #08: Inside the Gas Analyser – the Interferometer
Some OPSIS gas analysers are based on a device called an interferometer. Like a spectrometer, it separates light into its wavelength components, but it’s done in a special and indirect way. Keep on…
S1E7 #07: Selecting the Right Air Quality Monitor
There are many types of air quality monitors available, but which one is the best choice for measuring gaseous air pollutant concentrations?The presentation is based on facts from the OPSIS blog on…
S1E6 #06: Inside the Gas Analyser – the Spectrometer
Several of OPSIS gas analyser types are based on a device called a spectrometer. It separates light into its wavelength components, allowing the analyser to detect light absorption and thereby…
S1E5 #05: New Directive on Air Quality in the European Union
A new European Union directive on air quality has been in the pipe for some years and now it seems to be only formalities left for it to become effective. The intention with the directive is to…
S1E4 #04: Air Quality Monitoring in the EU – What, Where, and How?
Air quality is essential to all of us, and consequently, so is the monitoring of air quality. However, what should be monitored, and where, and how? There are many bids on that. For example, the…
S1E3 #03: How Does a Gas Analyser Work?
Whatever you want to detect, you need to identify a property of the object that is easy-enough to measure.The presentation is based on facts from the OPSIS blog on this topic. Dialogue and voices are…
S1E2 #02 Air Quality Monitoring
Measuring the ambient air quality can be done in several different ways and in different places, but why is it important to monitor, and what should you think about? Here are some guidelines.The…
S1E1 #01 Pollutants in Emissions to Air – What’s in the Smoke?
Back in the nineteenth century or so, industries pouring out smoke through the stacks were considered signs of progress and prosperity. However, that changed when the effects of the emissions became…
Frequently Asked Questions
OPSIS Podcasts on Air Quality has published 13 episodes since November 2025, covering topics in Technology.
OPSIS Podcasts on Air Quality is currently highly active with new episodes every 2 weeks. Average episode length is 15m.
