City report · Iwate, Japan
Morioka Air quality today
Air quality in Morioka currently reads AQI 16 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 16
Good
- PM2.5, fine particles (µg/m³)
- 1.9
- tree cover
- 16.3%
- trees in this area
- 50.8K
- more trees needed
- 42.7K
Measured across a 2 km radius around 1 Uchimaru, Morioka, Iwate 020-0023, Japan (12.57 km²), from a satellite image of Aug 4, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Morioka · AQI 16 (Good)
Morioka's tree count comes to 50,798 trees across 12.47 km² of land, 14 points below the 30% tree-cover level considered healthy for this area, so roughly 42,695 more trees would close the gap.
Air quality detail
Air quality in Morioka today: AQI 16, Good
Main pollutant: PM2.5 · Observed Nov 11, 11:00 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
1.9
PM10
2.8
NO₂
1.6
O₃
84.0
SO₂
0.9
CO
131.0
- 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 Morioka's daily AQI at 34 on average, from 19 on Nov 10 to an hourly peak of 61 on Nov 9.
Where Morioka stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Morioka: Critically low
16.3% tree cover against a 30% healthy-neighborhood target, across 12.47 km² of land.
Trees in this area
50,798
Target trees
93,493
More trees needed
42,695
CO₂ if planted / yr
939.3 t
Deforestation · 2001–2025
How much forest has Morioka lost?
Since 2001, the area within 10 km of Morioka has lost about 1,250 hectares of forest (about 1,800 football pitches): 8.3% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 130 hectares (10%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 1,250 haabout 1,800 football pitches
- Share of its forest
- 8.3%of what there was in 2000
- Cleared for good
- 130 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 52 hectares a year in 2021–2025, against 53 hectares a year in 2016–2020. The worst year was 2007, when about 141 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 | 6 ha | 23 ha | 29 ha |
| 2002 | 5 ha | 23 ha | 27 ha |
| 2003 | 7 ha | 24 ha | 31 ha |
| 2004 | 11 ha | 25 ha | 36 ha |
| 2005 | 5 ha | 19 ha | 23 ha |
| 2006 | 2 ha | 21 ha | 23 ha |
| 2007 | 6 ha | 135 ha | 141 ha |
| 2008 | 7 ha | 32 ha | 39 ha |
| 2009 | 4 ha | 37 ha | 40 ha |
| 2010 | 12 ha | 42 ha | 53 ha |
| 2011 | 4 ha | 79 ha | 83 ha |
| 2012 | 9 ha | 89 ha | 98 ha |
| 2013 | under 1 ha | 19 ha | 19 ha |
| 2014 | 6 ha | 40 ha | 46 ha |
| 2015 | 5 ha | 32 ha | 38 ha |
| 2016 | 8 ha | 37 ha | 45 ha |
| 2017 | under 1 ha | 44 ha | 44 ha |
| 2018 | 2 ha | 40 ha | 42 ha |
| 2019 | 5 ha | 76 ha | 81 ha |
| 2020 | 1 ha | 53 ha | 54 ha |
| 2021 | 4 ha | 51 ha | 55 ha |
| 2022 | 5 ha | 54 ha | 60 ha |
| 2023 | under 1 ha | 49 ha | 50 ha |
| 2024 | 6 ha | 57 ha | 62 ha |
| 2025 | 11 ha | 21 ha | 31 ha |
What is causing deforestation around Morioka?
- Loggingcan grow back89% · 1,110 ha
- Towns and roadscleared for good6% · 75 ha
- Mining and energycleared for good2.7% · 33 ha
Also: farms, pasture and plantations, storms, floods and other natural causes, 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
- 15,300 ha
- Forest in 2020
- 15,100 ha
- Overall change
- −234 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Morioka stayed about the same size, at about 15,100 hectares: new forest grew on about 152 hectares, and about 386 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 Morioka
What is the air quality (AQI) in Morioka right now?
The latest reading for Morioka shows an AQI of 16 (Good), observed Nov 11, 11:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Morioka today?
At AQI 16 (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 Morioka been like this week?
Over the last 7 days, the CAMS air-quality model put Morioka's daily AQI at 34 on average, from 19 on Nov 10 to an hourly peak of 61 on Nov 9. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Morioka lost since 2001?
Since 2001, the area within 10 km of Morioka has lost about 1,250 hectares of forest (about 1,800 football pitches): 8.3% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 130 hectares (10%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss has stayed about the same: about 52 hectares a year in 2021–2025, against 53 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Morioka stayed about the same size, at about 15,100 hectares: new forest grew on about 152 hectares, and about 386 hectares were lost.
What is the tree count in Morioka?
Morioka has an estimated 50,798 trees across the 12.47 km² of land measured — 16.3% tree cover, 14 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Morioka need?
Morioka needs roughly 42,695 more trees to close a 14-point shortfall against its 30% tree-cover target — about 939.3 t of extra CO₂ absorbed per year once grown.
How are Morioka'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 1 Uchimaru; the tree count is an estimate derived from that cover.
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