AirNow by Skymory

Armenia · Asia/Yerevan

Yerevan air quality

59

Moderate

CAMS model-based US AQI estimate

Highest pollutant sub-index: PM2.5

Model values for Oct 02 11:00 +04 · CAMS model estimate, may differ from monitoring stations and street-level conditions

Data may be delayed

AirNow by Skymory is an independent service; it is not affiliated with or endorsed by U.S. EPA or the official AirNow service.

Pollutants now (modeled)

  • PM2.5Fine particles6.9 µg/m³
  • PM10Coarse particles17.7 µg/m³
  • O3Ozone77.1 µg/m³
  • NO2Nitrogen dioxide2.4 µg/m³
  • SO2Sulphur dioxide0.7 µg/m³
  • COCarbon monoxide128.2 µg/m³

Next 24 hours: PM2.5

Modeled PM2.5 forecast (µg/m³)Actual model samples spaced by their valid times. Range 7.2 to 14.9. Forecast, not observations.Oct 02 12:00 +04Oct 03 11:00 +04
Modeled PM2.5 forecast (µg/m³) · 7.2–14.9; actual sample times, no interpolated hourly values.

Pollutant forecast

Hourly model samples in local time; no interpolation.

Local timePM2.5 µg/m³PM10 µg/m³O3 µg/m³NO2 µg/m³SO2 µg/m³CO µg/m³
7.320.184.81.30.7122.9
7.924.787.30.80.7119.6
8.226.888.20.70.8117.3
8.628.688.30.80.8116.1
8.326.987.11.00.8115.6
8.325.685.11.50.8116.5
8.324.682.12.40.8118.1
9.324.875.85.30.9124.2
10.526.572.47.51.1128.2
12.227.666.210.81.3133.0
13.027.261.712.21.3136.7
13.727.356.513.21.3138.0
13.125.554.012.71.2137.8
13.425.148.113.41.1140.8
13.024.243.213.41.0142.5
12.924.141.612.81.0145.1
12.524.345.111.21.0145.0
12.124.244.110.71.0143.7
12.124.541.410.90.9143.7
12.725.138.512.51.0147.7
14.927.537.312.61.2157.2
12.025.163.18.21.3141.9
8.720.478.73.81.1123.3
7.217.385.42.01.0117.9
Data details: about this air quality estimate

Values are modeled by the Copernicus Atmosphere Monitoring Service (CAMS) global forecast, extracted and converted by Skymory for this city. They are model estimates on a coarse grid, not measurements from monitoring stations, and they do not resolve street-level exposure.

  • Model initialization: 2026-10-01T12:00:00+00:00. Values valid: Oct 02 11:00 +04. Retrieved: 2026-10-02T04:55:25.968059+00:00.
  • Page generated from a snapshot with data state STALE_USABLE; model age 19.9 hours at generation.
  • Nearest valid 0.4° model grid cell, about 22 km from the city point.
  • Gases are converted with matching model-level 137 temperature, humidity, surface pressure (lnsp) and hybrid coefficients; particulate matter is read directly from the surface fields.
  • AQI estimate completeness: COMPLETE (COMPLETE means all six pollutants have a complete model window).

The AQI estimate applies EPA breakpoints (May 2026) to explicit trailing model windows (PM 24 h, CO 8 h, NO2 1 h, SO2 and O3 per EPA rules). It is not a station observation, official daily maximum or NowCast, and the official AQI field remains unavailable.

Averaging windows used

  • CO: 8h window
  • NO2: 1h window
  • O3: 1h, 8h window
  • PM10: 24h window
  • PM2.5: 24h window
  • SO2: 1h, 24h window

Surface compatibility by pollutant

PollutantSurface compatibility
PM2.5DIRECT_SURFACE
PM10DIRECT_SURFACE
O3DERIVABLE_SURFACE
NO2DERIVABLE_SURFACE
SO2DERIVABLE_SURFACE
CODERIVABLE_SURFACE

Source and license

Contains modified Copernicus Atmosphere Monitoring Service information 2026; city extraction and concentration conversion. CAMS global atmospheric composition forecasts (ECMWF/CAMS). CC BY 4.0.

Provider times stay separate from page generation: collecting data or regenerating this page never resets the source time. Data sources and methodology

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