Posts Tagged "air quality monitoring"
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Bad pollen day in your town? Tech recommendations.
Weather Channel pushes pollen advisories that might cause sneezing, but not PM2.5 EPA action days that might increase cancer risk? Today [January 25, 2014] the Weather Channel app pushed out a pollen advisory for Los Angeles. We’ve had their app installed for at least a year, and this is first time we’ve seen that push notification. (There was also a high surf advisory today for Los Angeles. Some of you may be wondering if we also got a polar vortex advisory out here; no we didn’t.) Mind you, pollen advisory went along with an EPA “Moderate” PM2.5 warning. That’s still above the World Health Organization’s PM2.5 dust average annual exposure limit guideline, but it’s not the “Unhealthy for Sensitive Groups” (Sensitive Groups including those athletically inclinded) and it wasn’t a PM2.5 concentration of 40 micrograms per cubic meter, waaaay above the 24 microgram WHO 24-hour average guideline, and even above the 35 microgram limit by the EPA and several other countries that we had two days ago out here.… Read the restWhy big city fitness gyms need to install clean air tech.
Third article in half a month on “Unhealthy for Sensitive Groups” bad LA air days Yet another bad air day in Los Angeles last night (see app screenshot) [originally published Jan 23, 2014]. We’ve now done three articles on ‘Unhealthy for Sensitive Groups’ bad air days in Los Angeles due to the Colby Fire and random automobile pollution just in the month of January alone. Incidentally, those “sensitive groups” involve working out at the fitness gym, which we’ll talk a bit more about in a bit. Despite a serious air purifier, our indoor PM2.5 dust particle counts on our Laser Particle Counter spiked around 10:30 PM Pacific Time yesterday, so we knew something was up. Running the numbers through our free app, they were starting to get bad. The EPA was still showing PM2.5 levels in the area as “moderate”, but EPA data is weighted average of 4-hour and 24-hour data (it sort of has to be), so it is delayed.… Read the restWeight loss, Al Gore, and the Internet of Things
Air Quality Monitoring with your bathroom scale? We were enthusiastic to learn that two Internet-connected devices, the Withings scale and the Netatmo weather station featured “air quality monitors.” However, this just turned out to be a simple CO2 monitor, and doesn’t monitor the more important dust, VOC, or other noxious gas issues that are generally considered to be of much greater concern. CO2 monitoring in crowded bars We’ve played with CO2 monitors in our office (using Ardunio hardware prototyping boards). It is one of the less effective air quality components to sense, because the valid range for CO2 is so wide. It’s kind of fun exhaling into a CO2 monitor and watching the CO2 counts spike (your exhaled breath has a lot of CO2), but that same reason means that animals have evolved in an environment where CO2 spikes in their inhaled air was not uncommon. Everyday objects monitoring CO2? Did Al Gore invent #InternetOfThings too?… Read the restBad air pollution day in your city? Here’s the tech to get.
Sensor and purifier recommendations for a bad air day Saturday (Jan 4, 2014) we knew something was wrong in Los Angeles. Like any tech startup, we were in the office working, when our indoor dust sensor (& this less expensive version that we also support) started showing PM2.5 air pollution particle counts off the scale without any good (indoor) reason for the air being that bad. This despite our highly-regarded heavy-duty air purifier being on the maximum “Turbo” setting. PM2.5 dust levels to remember Since we weren’t running any indoor polluters (like a dishwasher or gas appliance), bad outdoor air could be the only reason. Sure enough, we checked with our iOS app. Los Angeles air was in the orange “Unhealthy for Sensitive Groups” some of the worst air quality we’ve ever seen with our app in Los Angeles. (We did see the air quality in San Jose deteriorate all the way into the brown or “Unhealthy” region right before Thanksgiving, maybe because of the all the cars and airplanes accommodating travelers.… Read the restRecent Posts
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