| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| kkoerner | "@zengirl2 I agree, the ambient network can be a little scarce in Philly, we have six PM 2.5 monitors measuring at different intervals. Here's some ..." | Read more » | over 6 years ago | |||
| warren | "OK interesting and now it's green again, and i guess because of averaging, the spike doesn't appear as high anymore? @jeffalk does this seem rig..." | Read more » | over 6 years ago | |||
| warren | "Oh wow, I literally saw the dot change from yellow to orange as I watched the map! You can see the spike too: " | Read more » | over 6 years ago | |||
| warren | "Just a note that at 12:42 today (friday) two people with leaf blowers went by clearing the sidewalk and there was visible dust kicked up. Curious t..." | Read more » | over 6 years ago | |||
| jiteovien | "@zengirl2 Nope, I haven't tried a Plume " | Read more » | over 6 years ago | |||
| zengirl2 | "@jiteovien I find that there are not many official monitors in Philly either. So, I'm very interested in air monitoring just to see how the numbers..." | Read more » | over 6 years ago | |||
| jiteovien | "@zengirl2 The PurpleAir folks say that the sensor come "factory calibrated." I am certainly skeptical of that because its been shown that humidity ..." | Read more » | over 6 years ago | |||
| zengirl2 | "@jiteovien Ah, this is helpful--what a great testing zone. Interesting to hear how Purple is a bit high on readings too. Did the sensor need to be ..." | Read more » | over 6 years ago | |||
| jiteovien | "@zengirl2 Yeah, the area the office is is actually near the part of Providence (the port) with the most industrial polluters. See the map below of ..." | Read more » | over 6 years ago | |||
| warren | "Providence is a port, but @jiteovien said there are a number of PM sources locally apart from the port, i think! On Tue, Aug 28, 2018 at 4:33 PM \..." | Read more » | over 6 years ago | |||
| zengirl2 | "Hey @warren that is cool. Always wondered about that monitor. So, right now in Philly today we have Plume app reading 57 AQI with a PM2.5 reading o..." | Read more » | over 6 years ago | |||
| warren | " " | Read more » | over 6 years ago |