September 5 · Air Quality · Anton Vlasov · 31
A comparison of Armenia’s current limits with the new standards for PM2.5, PM10, NO₂, SO₂, CO and ozone that will apply from November 2027.
August 16 · Air Quality · Anton Vlasov · 217
How to choose a HEPA purifier by CADR, which Xiaomi models are in Yerevan with filters, and why outdoors you need FFP2, not a cloth mask.
August 13 · Air Quality · Anton Vlasov · 39
Yerevan's Clarity Node-S network sits on construction sites but measures PM2.5, not coarse construction dust. The city does not have Dust Modules.
May 30 · Air Quality · Anton Vlasov, Sergey Kuznetsov · 481
AirQuality.am's report on winter air quality in Yerevan: PM2.5 data, daily pollution patterns, monitoring network development, and the city authorities' position.
April 5 · Air Quality · Anton Vlasov · 56
The AirGradient team conducted 15,000 days of comparative measurements in 10 countries—and found surprising results not only about the sensors themselves, but also about reference instruments.
January 12 · Air Quality · Anton Vlasov · 19
Why we're looking at AirGradient for Yerevan: open API, components, calibration, and promo codes for the community.
January 10 · Air Quality · Anton Vlasov · 18
Inversion, NOx and secondary aerosols, fog as a 'reactor', peculiarities of Clarity and window-mounted sensors—why PM2.5 graphs spike at high humidity.
Dec 31, 2025 · Air Quality · Anton Vlasov · 54
Year in review based on airquality.am data: average AQI increase, sixfold expansion of the sensor network, and what this means for assessing the situation.
Dec 4, 2025 · Air Quality · Anton Vlasov
Perestroika-era videos addressed everyday problems; one episode covered air pollution—a topic clearly relevant for Yerevan and Armenia.
Nov 8, 2025 · Air Quality · Anton Vlasov · 4
Comparison with October smoke from the landfill: AQI peaks of 176–177 and daily average values.