Measured Air
Blog

Field notes on Salt Lake air.

Real data from real homes and buildings around the valley: inversions, wildfire smoke, filtration myths, CO₂, and radon. We write the way we consult, plainly and without the scare tactics, so you can make good decisions about your own air.

More field notes
  • Wildfire smoke

    Smoke season is getting longer. Here is a plan you can run in ten minutes.

    A simple Smoke Mode for your home: what to seal, which purifier goes where, and when to stop using the whole-house fan.

  • Filtration

    MERV 13 is great, until it strangles your furnace

    Why the highest-rated filter is not always the right one, and how to tell what your system can actually push.

  • CO₂ & ventilation

    Why your bedroom feels stuffy by morning

    A week of overnight CO₂ data from three Salt Lake bedrooms, and what it says about doors, sleep, and fresh air.

  • Radon

    Radon in the Salt Lake Valley: common, quiet, and worth testing for

    Why our geology makes radon worth a long-term test, and how to read the numbers once you have them.

  • Older homes

    No central air? You can still build a clean-air home.

    Filtration strategies for bungalows, mini splits, and radiator homes without a single duct to work with.

  • Myths

    Five indoor-air myths we measure our way past every week

    The one-purifier-fixes-everything idea, the open-window reflex, and other things the data quietly disagrees with.

Want this for your own air?

The best field notes are the ones about your house.

Reading helps, but your air is specific to your space. Book an assessment and we'll measure what's really happening, then write you a plan.