Air Purifier vs. Positive Pressure Fresh Air System – An Unfair Battle? (airgradient.com) | HN Screenshots

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Screenshot of airgradient.com: Air Purifier vs. Positive Pressure Fresh Air System – An Unfair Battle?

First screen, captured 3 years ago.

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Screenshot of airgradient.com: Air Quality Monitors Compared: AirGradient vs. Purple Air

Air Quality Monitors Compared: AirGradient vs. Purple Air (airgradient.com)

74 points by ahaucnx 2 years ago | 39 comments

Screenshot of airgradient.com: Air Quality Monitors Compared: AirGradient One vs. Airthings

Air Quality Monitors Compared: AirGradient One vs. Airthings (airgradient.com)

63 points by ahaucnx 2 years ago | 29 comments

Screenshot of airgradient.com: Air Quality Monitors from USD $169 to $6k use the same low-cost PM Modules

Air Quality Monitors from USD $169 to $6k use the same low-cost PM Modules (airgradient.com)

103 points by ahaucnx 3 years ago | 38 comments

Screenshot of airgradient.com: Air quality monitors: paying more does not get you more accuracy

Air quality monitors: paying more does not get you more accuracy (airgradient.com)

320 points by ahaucnx 3 years ago | 177 comments

AirGradient blog post by Achim Haug arguing that more expensive air quality monitors are not necessarily more accurate than cheaper ones.

air-quality-monitors airgradient sensors pm2-5

Screenshot of airgradient.com: Open Source Outdoor Air Quality Monitor

Open Source Outdoor Air Quality Monitor (airgradient.com)

184 points by ahaucnx 3 years ago | 88 comments

Screenshot of airgradient.com: How Accurate Is the Sensirion SGP41 TVOC Sensor?

How Accurate Is the Sensirion SGP41 TVOC Sensor?(airgradient.com)

10 points by ahaucnx 1 year ago | 6 comments