City report · Chelyabinsk, Russia
Miass Air quality today
Air quality in Miass currently reads AQI 1 (Good): Air quality is satisfactory for everyone.
AQI 1
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 0.2
- tree cover
- 40.4%
- trees in this area
- 121K
- more trees needed
- 0
Measured across a 2 km radius around Miass, Chelyabinsk Oblast, Russia (12.57 km²), from a satellite image of Sep 23, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Miass · AQI 1 (Good)
Miass's tree count comes to 121,336 trees across 12.02 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Miass today: AQI 1, Good
Main pollutant: CO · Observed Nov 10, 16:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Air quality is satisfactory for everyone.
PM2.5
0.2
PM10
0.2
NO₂
2.4
O₃
65.0
SO₂
1.9
CO
124.0
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Miass's daily AQI at 22 on average, from 2 on Nov 10 to an hourly peak of 88 on Nov 4.
Where Miass stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Miass: Healthy tree cover
40.4% tree cover against a 30% healthy-neighborhood target, across 12.02 km² of land.
Trees in this area
121,336
Target trees
121,336
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Miass lost?
Since 2001, the area within 10 km of Miass has lost about 1,540 hectares of forest (about 2,200 football pitches): 6.9% of the forest it had in 2000. The biggest cause was logging (28%), after which forest can grow back. About 212 hectares (14%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from September 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 1,540 haabout 2,200 football pitches
- Share of its forest
- 6.9%of what there was in 2000
- Cleared for good
- 212 hadeforestation: turned into farms, mines or towns
Forest loss is speeding up: about 222 hectares a year in 2021–2025, up from 21 hectares a year in 2016–2020. The worst year was 2025, when about 1,060 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 | 5 ha | 25 ha | 30 ha |
| 2002 | 2 ha | 12 ha | 13 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 6 ha | 14 ha | 19 ha |
| 2005 | under 1 ha | 7 ha | 7 ha |
| 2006 | 2 ha | 32 ha | 34 ha |
| 2007 | 7 ha | 9 ha | 16 ha |
| 2008 | 14 ha | 18 ha | 32 ha |
| 2009 | 6 ha | 17 ha | 23 ha |
| 2010 | 5 ha | 8 ha | 13 ha |
| 2011 | 10 ha | 37 ha | 47 ha |
| 2012 | 16 ha | 16 ha | 32 ha |
| 2013 | 4 ha | 36 ha | 40 ha |
| 2014 | 2 ha | 3 ha | 6 ha |
| 2015 | 4 ha | 12 ha | 16 ha |
| 2016 | 4 ha | 9 ha | 13 ha |
| 2017 | under 1 ha | 10 ha | 10 ha |
| 2018 | 14 ha | 6 ha | 20 ha |
| 2019 | 6 ha | 15 ha | 21 ha |
| 2020 | 2 ha | 39 ha | 41 ha |
| 2021 | 2 ha | 12 ha | 14 ha |
| 2022 | 8 ha | 5 ha | 13 ha |
| 2023 | 3 ha | 9 ha | 11 ha |
| 2024 | 6 ha | 1 ha | 7 ha |
| 2025 | 82 ha | 980 ha | 1,060 ha |
What is causing deforestation around Miass?
- Loggingcan grow back28% · 425 ha
- Mining and energycleared for good8.4% · 130 ha
- Towns and roadscleared for good5.3% · 82 ha
Also: wildfires, storms, floods and other natural causes, farms, pasture and plantations, unknown causes.
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
- 22,500 ha
- Forest in 2020
- 22,700 ha
- Overall change
- +190 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Miass stayed about the same size, at about 22,700 hectares: new forest grew on about 513 hectares, and about 323 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
In the same region
Measured cities near Miass
Same 2 km radius, same index — so they compare directly.
- Zlatoust32.0 km
Russia
- Tree cover
- 52%
- Air quality
- 1
- Chelyabinsk85.0 km
Russia
- Tree cover
- 27%
- Air quality
- 7
- Kamensk-Ural’skiy189.6 km
Russia
- Tree cover
- 49%
- Air quality
- 4
- Magnitogorsk196.7 km
Russia
- Tree cover
- 30%
- Air quality
- 2
- Yekaterinburg203.9 km
Russia
- Tree cover
- 28%
- Air quality
- 6
- Pervouralsk207.1 km
Russia
- Tree cover
- 42%
- Air quality
- 1
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Frequently asked
Questions about Miass
What is the air quality (AQI) in Miass right now?
The latest reading for Miass shows an AQI of 1 (Good), observed Nov 10, 16:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is CO. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Miass today?
At AQI 1 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Miass been like this week?
Over the last 7 days, the CAMS air-quality model put Miass's daily AQI at 22 on average, from 2 on Nov 10 to an hourly peak of 88 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Miass lost since 2001?
Since 2001, the area within 10 km of Miass has lost about 1,540 hectares of forest (about 2,200 football pitches): 6.9% of the forest it had in 2000. The biggest cause was logging (28%), after which forest can grow back. About 212 hectares (14%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is speeding up: about 222 hectares a year in 2021–2025, up from 21 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Miass stayed about the same size, at about 22,700 hectares: new forest grew on about 513 hectares, and about 323 hectares were lost.
What is the tree count in Miass?
Miass has an estimated 121,336 trees across the 12.02 km² of land measured — 40.4% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Miass need?
Miass has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Miass's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 Miass; the tree count is an estimate derived from that cover.
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