Where the data lives

No front door

Every address was called on 13 September 2026.

Air · who measures

103 city sensors, 14 ministry stations

Source: airquality.am stations API, 13 September 2026, 11:53. The ministry's 11 weather-only stations are left out of the bars.

Air · where

148 of 207 sensors are in Yerevan

Source: airquality.am stations API, 13 September 2026; weather models and weather-only stations left out. Border and lake: Natural Earth.

Air · Yerevan

Six times more PM2.5 in December than in May

Sources: airquality.am, city_avg_daily.csv, average of the sensors in Yerevan; WHO global air quality guidelines, 2021.

Air · statistics

Sulphur dioxide fell 97% in one year

Source: Armstat, ArmStatBank tables EE-a1 (emissions, 2000 to 2024) and EE-a2 (urban air quality, 2024), PX-Web API, 13 September 2026.

Ministry of Environment

The data behind the website

What	Address on meteomonitoring.am
15 air stations, last 7 days	/api/get-air-stations/en
Lake Sevan, every day	/api/get-sevan-temperature-air-water/en
50 river gauges, twice a day	/api/get-surface-quantity-daily-info
Forecast for 18 regions	/api/weather/get-weather/en

No official API. The addresses sit in the site's own code and can change without notice.

Source: Hydrometeorology and Monitoring Center of the Ministry of Environment, meteomonitoring.am; addresses called on 13 September 2026.

Water · Lake Sevan

Lake Sevan, every day since January 2025

Source: meteomonitoring.am, /api/get-sevan-temperature-air-water/en, called 13 September 2026; values from 1 January 2025 to 11 September 2026, metres above sea level.

Statistics

Armstat: the tables behind the charts

POST https://statbank.armstat.am/api/v1/en/ArmStatBank/8 Environment/(I) Waste/EE-i1-1.px
{"query":[],"response":{"format":"json-stat2"}}

• 99% of the 62.5 million tonnes of waste in 2024 was industrial
• 1990 first year in the air emissions table

Source: Statistical Committee of the Republic of Armenia, ArmStatBank, PX-Web API, tables EE-i1-1 and EE-a1, 13 September 2026.

Nature

Eleven times more sightings than in 2021

Sources: GBIF occurrence API, country AM, records by year; iNaturalist API, place 8433, verifiable observations by year; both 13 September 2026.

Maps

Maps you can ask questions

gis.yerevan.am	210 map services: air sensors at building sites, landslides, protected areas, groundwater	ArcGIS REST
geoportal.am	cadastre, addresses, the border of Sevan National Park	WMS, WFS
Protected Planet	59 protected areas of Armenia with size and status	ArcGIS REST
ACE, AUA	30 mines with company, status and affected area	web map JSON

Sources: gis.yerevan.am; geoportal.am, Cadastre Committee; UNEP-WCMC, World Database on Protected Areas; Acopian Center for the Environment, American University of Armenia, mines and tailings map. Checked 13 September 2026.

How

Three ways in

Every example was opened on 13 September 2026.

How

One address, one answer

https://api.gbif.org/v1/occurrence/count?country=AM
380037

https://meteomonitoring.am/api/get-sevan-temperature-air-water/en
{"temperature":{"status":1,"id5":0,"id7":0},"sevan_chart":{"status":1,"data":[{"year":"2026","date":"2026-09-11","level":1900.680000000000063664629124104976654052734375}, …

Responses as returned on 13 September 2026. Any browser opens them.

Keep this

Ten addresses

All ten answered without a key on 13 September 2026.

Before you trust it

What breaks

Checked on 13 September 2026.

Open data at work

What the feeds flagged today

One script reads two feeds with plain rules and writes a bulletin for NGOs.

airquality.am stations and station history API, meteomonitoring.am, 13 September 2026, 12:09 Yerevan time. Rules: live PM2.5 at least 35 µg/m³ and three times the sensor's own 30-day median, cross-checked with sensors within 15 km; ministry dust at three times the WHO PM10 guideline of 45 µg/m³. Script: anomalies.py, Python standard library, in the course materials.

Youth work

What a group can do next week

These fit the open data part of the course.

Sources and credits

Where the numbers come from

Data, called on 13 September 2026. airquality.am, stations API, station history API and city_avg_daily.csv (Database Contents License 1.0). meteomonitoring.am, Hydrometeorology and Monitoring Center of the Ministry of Environment. Statistical Committee of the Republic of Armenia, ArmStatBank PX-Web API, tables EE-a1, EE-a2 and EE-i1-1. GBIF occurrence API. iNaturalist API. gis.yerevan.am. geoportal.am. UNEP-WCMC, World Database on Protected Areas. Acopian Center for the Environment, American University of Armenia, mines and tailings map. Data Catalog Armenia, data.opendata.am. Border and Lake Sevan outline: Natural Earth, public domain.

References. WHO global air quality guidelines, 2021. OC Media, Armenia's copper capital no longer? The uncertain future of Alaverdi, 2020. USGS, The Mineral Industry of Armenia in 2019.

Photos and screenshots. Armenian World (cover, CC BY 4.0), Sara Anjargolian (Alaverdi smelter, 2012, CC BY-SA 3.0), Serouj, courtesy of Pan-Armenian Environmental Front (Kajaran mine, CC BY-SA 4.0), Wowan1978 (Dilijan National Park, CC BY-SA 4.0), all Wikimedia Commons. Screenshots of meteomonitoring.am and ArmStatBank taken on 13 September 2026.

Course. Water Management, a training course for youth workers from Poland and Armenia, Yerevan, 11 to 16 September 2026. Organised by Zielone Śląskie with Caucasian Social Innovation Network and the Armenian Institute of International and Security Affairs under the Erasmus+ accreditation of Zielone Śląskie. Research and design: Klaster Innowacji Społecznych, September 2026. Companion to Armenia's water: zieloneslaskie.pl/water-management

Co-Funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the Foundation for the Development of the Education System (FRSE). Neither the European Union nor FRSE can be held responsible for them.