City report · Armenia
Hrazdan Air quality today
Air quality in Hrazdan currently reads AQI 80 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 80
Moderate
- PM2.5, fine particles (µg/m³)
- 24.8
- tree cover
- 16.8%
- trees in this area
- 49.7K
- more trees needed
- 39.1K
Measured across a 2 km radius around Kentron, Hrazdan, Armenia (12.57 km²), from a satellite image of Sep 14, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Hrazdan · AQI 80 (Moderate)
Hrazdan's tree count comes to 49,718 trees across 11.84 km² of land, 13 points below the 30% tree-cover level considered healthy for this area, so roughly 39,064 more trees would close the gap.
Air quality detail
Air quality in Hrazdan today: AQI 80, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 20:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Kechi House - Tsaghkadzor, 4 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
24.8
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirGradient, Altair Sheikh
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Hrazdan's daily AQI at 19 on average, from 11 on Nov 9 to an hourly peak of 48 on Nov 5.
Where Hrazdan stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Hrazdan: Critically low
16.8% tree cover against a 30% healthy-neighborhood target, across 11.84 km² of land.
Trees in this area
49,718
Target trees
88,782
More trees needed
39,064
CO₂ if planted / yr
859.4 t
Deforestation · 2001–2025
How much forest has Hrazdan lost?
Since 2001, the area within 10 km of Hrazdan has lost about 8 hectares of forest (about 11 football pitches): under 1% of the forest it had in 2000. The biggest cause was towns and roads (34%). About 3 hectares (33%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 8 haabout 11 football pitches
- Share of its forest
- under 1%of what there was in 2000
- Cleared for good
- 3 hadeforestation: turned into farms, mines or towns
The worst year was 2012, when about 3 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | under 1 ha | under 1 ha | under 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | 2 ha | 3 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | 1 ha | 1 ha | 3 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Hrazdan?
- Towns and roadscleared for good34% · 3 ha
- Storms, floods and other natural causescan grow back13% · 1 ha
- Unknown causescause unknown52% · 4 ha
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 3,550 ha
- Forest in 2020
- 3,830 ha
- Overall change
- +278 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Hrazdan grew from about 3,550 hectares to 3,830 hectares, a net gain of about 278 hectares (+7.8%). New forest grew on about 295 hectares, while 17 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
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Frequently asked
Questions about Hrazdan
What is the air quality (AQI) in Hrazdan right now?
The latest reading for Hrazdan shows an AQI of 80 (Moderate), measured Nov 11, 20:00 local time by the Kechi House - Tsaghkadzor ground monitoring station, 4 km away, via OpenAQ. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Hrazdan today?
At AQI 80 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Hrazdan been like this week?
Over the last 7 days, the CAMS air-quality model put Hrazdan's daily AQI at 19 on average, from 11 on Nov 9 to an hourly peak of 48 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Hrazdan lost since 2001?
Since 2001, the area within 10 km of Hrazdan has lost about 8 hectares of forest (about 11 football pitches): under 1% of the forest it had in 2000. The biggest cause was towns and roads (34%). About 3 hectares (33%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Hrazdan grew from about 3,550 hectares to 3,830 hectares, a net gain of about 278 hectares (+7.8%). New forest grew on about 295 hectares, while 17 hectares were lost.
What is the tree count in Hrazdan?
Hrazdan has an estimated 49,718 trees across the 11.84 km² of land measured — 16.8% tree cover, 13 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Hrazdan need?
Hrazdan needs roughly 39,064 more trees to close a 13-point shortfall against its 30% tree-cover target — about 859.4 t of extra CO₂ absorbed per year once grown.
How are Hrazdan's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Kentron, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Kentron; the tree count is an estimate derived from that cover.
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