By Ian Longley When it comes to tracking the emission and dispersion of smoke there’s a lot you could learn just by watching. Are cameras a viable smoke monitoring tool? When I’ve been asked about the monitoring of smoke, I automatically think of instruments that...
By: Ian Longley So farewell RMA and 20 years of doing air quality management the way we do it In December 2025, the NZ government revealed its replacement for the Resource Management Act (RMA) which has governed how we manage ambient air quality for over two decades....
For years, the emergence of low-cost sensors has offered a potential solution for councils to maintain environmental monitoring under continual pressure to reduce budgets. But used smartly, these sensors offer a whole lot more than just cost savings. They offer the...
The recently released IQAir report (2024 IQAir World Air Quality Report | IQAir,) has highlighted New Zealand as one of the few countries meeting WHO air quality standards. However, this paints an incomplete picture. Air pollution remains one of the greatest...
As the world faces the challenge of maintaining healthy indoor environments in an era of pandemics and climate change, World Ventil8 Day 2024 is set to spotlight the critical role of ventilation in enhancing health and wellbeing. This year’s theme “Enabling Action”...
By: Ian Longley New Zealand has some of the sweetest, purest, clearest clean air anywhere in the world. Most of the time. In most places. This is the continuing story of those other times and places. New Zealand is harbouring four guilty secrets about its air –...
The Ministry for the Environment and StatsNZ released Our Air 2024, an update on the state of the air in Aotearoa/New Zealand's. This is a very important document, and we can't pass the opportunity to give our perspective on its content and what it may mean for air...
By: Ian Longley New Zealand has some of the sweetest, purest, clearest clean air anywhere in the world. Most of the time. In most places. This is the story of those other times and places. New Zealand is harbouring four guilty secrets about its air – four...
By: Gustavo Olivares Air pollution is one of those things, like weather and climate, that because it affects everyone we all have an opinion about it. This makes it an ideal area for "citizen" and "traditional" scientists to collaborate and work towards improving our...
By: Gustavo Olivares The COVID-19 pandemic has challenged the status quo in a number of ways. From helping the world realize that you can run scientific conferences that are accessible for people who cannot (or will not) travel, to rising the very thorny question of...
By: Gustavo OlivaresChasing the dream of accurate and reliable low cost sensors in air qualityFor quite a few years now, there are a number of projects around consumer level (as opposed to research grade) air quality sensors. (Air Quality Egg, Speck, Dustduino, Air...
Using solid fuel Use of solid fuel, mostly wood but also coal, particularly in some South Island towns, is a major source of night-time airborne pollution in many places in New Zealand. On cold, still winter nights dispersion is poor and emissions from domestic...
So what is air pollution? Pollution is bad. The word ‘pollution’ conjures up images of something dark, something menacing, something nasty that turns up where it shouldn’t. The notion of something clean and pure being invaded by something repulsive or distasteful that...