Real time measurement of air quality on a public map. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.
Two days ago, we updated our system for applying location information to comply with U.S. trade embargoes and economic sanctions regulations. Soon after updating, we discovered that we made a series of mistakes and inadvertently deactivated a number of accounts that we shouldn’t have. We recognize the disruption and inconvenience this caused and we sincerely apologize to the people affected by our
As a first step toward encrypting the last portion of internet traffic that has historically been cleartext, we have partnered with Cloudflare DNS on a pilot project. This pilot takes advantage of the benefits of Transport Layer Security (TLS) — a widely adopted and proven mechanism for providing authentication and confidentiality between two parties over an insecure channel — in conjunction with
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