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AVL webinar on 21 October: what ultrafine particles reveal that PM mass can't

AVL webinar on 21 October: what ultrafine particles reveal that PM mass can't

Weigh a sample of city air and PM₁₀ and PM₂.₅ will tell you a lot. They just won't tell you everything. The smallest particles hardly register on the scale, but they make up for it in numbers, and the...

Oct 6, 2026 News

AAVOS Newsletter Q4 2026: Is There a Fidas Killer?

AAVOS Newsletter Q4 2026: Is There a Fidas Killer?

Q4 brings a lot of new instruments. Ultrafine particles are moving into the new EU Air Quality Directive, a new optical PM monitor is challenging the market leader, Aerosol Magee has renewed its full ...

Oct 6, 2026 News

The Invisible Pollution: Why VENTRA Caught My Attention

AAVOS International bv, Roger van Uden

The Invisible Pollution: Why VENTRA Caught My Attention

I came across VENTRA and, as someone working in air-quality measurement, this immediately caught my attention. VENTRA is the latest concept car developed by TU/ecomotive, the student team of Eindhoven...

Oct 1, 2026 News

What One Car-Free Sunday Revealed About the Air We Breathe Every Day

AAVOS International bv, Roger van Uden

What One Car-Free Sunday Revealed About the Air We Breathe Every Day

Within hours, concentrations of nitrogen monoxide (NO) dropped by 83 to 95 percent compared to a normal Sunday. Nitrogen dioxide (NO₂) fell by 61 to 84 percent. At the busiest monitoring stations, the...

Sep 29, 2026 News

Measuring Fine Dust in Tunnels and on Construction Sites: Seeing What You Can't See

AAVOS International bv, Roger van Uden

Measuring Fine Dust in Tunnels and on Construction Sites: Seeing What You Can't See

Few places release fine dust as fast, or in such concentration, as tunnels and construction sites. Diesel machinery, grinders, drills, saws and wind-blown soil all add to it. These sources sit close t...

Sep 28, 2026 News

New EU Air Quality Directive 2024/2881

AAVOS International bv, Roger van Uden

New EU Air Quality Directive 2024/2881

The European Union has introduced a major update to its air quality legislation with the adoption of Directive (EU) 2024/2881. For organizations such as VMM, RIVM, IRCEL-CELINE, ISSEP, AEV, GGD, ... r...

Sep 28, 2026 News

Why Are European First Responders Still Walking Into CBRNE Hazards Blind?

AAVOS International bv, Roger van Uden

Why Are European First Responders Still Walking Into CBRNE Hazards Blind?

Key Takeaways Every CBRNE incident begins with the same dangerous gap: responders enter unknown environments before they have reliable data. The GV2000 carries up to 12 simultaneous chemical, biologic...

Sep 28, 2026 News

The Economic Cost of Wildfires — and Why Indoor Air Quality Is Part of the Bill

AAVOS International bv, Roger van Uden

The Economic Cost of Wildfires — and Why Indoor Air Quality Is Part of the Bill

Wildfires Are Now a Multi-Billion-Euro Problem for the European Economy — Here's the Part Most Companies Overlook Wildfires used to be filed under "environmental disaster." Increasingly, they belong u...

Sep 7, 2026 News

Why Carbon Number Is the Hidden Key to Understanding VOCs

AAVOS International bv, Roger van Uden

Why Carbon Number Is the Hidden Key to Understanding VOCs

Ask ten process engineers what a VOC is, and you'll get ten slightly different answers. Ask them why isoprene and pentane behave nothing alike in the atmosphere despite both being "just VOCs," and the...

Aug 24, 2026 News

Servomex Gas Analysers in the Benelux: The AAVOS Product Guide

AAVOS International bv, Roger van Uden

Servomex Gas Analysers in the Benelux: The AAVOS Product Guide

Anyone searching for Servomex in Belgium, the Netherlands or Luxembourg usually has one of two questions in mind: which Servomex analyser fits a specific gas measurement, or who supplies and services ...

Aug 24, 2026 News

Which VOC Analyzer Do You Need? A Practical Guide to Choosing the Right Instrument

AAVOS International bv, Roger van Uden

Which VOC Analyzer Do You Need? A Practical Guide to Choosing the Right Instrument

Why "VOC Analyzer" Is Not One Product Search for "VOC analyzer" and you'll find dozens of instruments that look similar on a spec sheet but do fundamentally different jobs. One is built to detect benz...

Aug 17, 2026 News

Detecting Waste Burning in Rural Air Pollution Hotspots

AAVOS International bv, Roger van Uden

Detecting Waste Burning in Rural Air Pollution Hotspots

Every winter, rural communities across Europe experience air pollution episodes that routine PM10 or PM2.5 monitoring struggles to fully explain. Residential wood burning is an expected and well-docum...

Aug 12, 2026 News

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