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Air quality now: Okayama

Japan · Okayama · 3 cities

Air quality in Okayama today The AQI right now, city by city

Right now, Tsuyama has the cleanest air of the 3 cities we track in Okayama (AQI 33, Good), and Kurashiki the worst (AQI 56, Moderate). Tsuyama has the most tree cover, at 60.3% — #4 of 207 cities measured in Japan.

Every city is measured the same way, over the same 2 km around its center: the air quality right now, from ground stations where there are any, and its tree cover.

AQI 48

Average right now

Good

US EPA index, across 3 cities
cities tracked
3
average tree cover
28.3%
Japan: 16.4%
worst air now: Kurashiki
56
cleanest air now: Tsuyama
33

Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.

Okayama · average AQI 48

Air quality today across Okayama, city by city

Current air quality and tree cover for cities in Okayama, Japan
Okayama55Moderate12.8%51.8K#93 of 207
Kurashiki56Moderate11.8%57.2K#101 of 207
Tsuyama33Good60.3%—#4 of 207

Air quality is the US AQI from ground monitoring stations via OpenAQ where available, otherwise the Open-Meteo / CAMS model, refreshed hourly. Tree cover is measured within 2 km of each city center from Sentinel-2 imagery; the rank compares every city measured in Japan.

Deforestation · 2001–2025

How much forest has Okayama lost?

Since 2001, Okayama has lost about 18,800 hectares of forest (about 26,000 football pitches): 3.9% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 2,290 hectares (12%) was deforestation: forest cleared for good for farms, mines or towns.

Forest lost since 2001
18,800 haabout 26,000 football pitches
Share of its forest
3.9%of what there was in 2000
Cleared for good
2,290 hadeforestation: turned into farms, mines or towns
Forest lost each year in Okayama, 2001–2025

Hectares of forest lost each year

Forest lost each year in Okayama, 2001–2025. Use the left and right arrow keys to read each year.2.4K

Show the figures as a table
Forest lost each year in Okayama, 2001–2025
YearCleared for goodCan grow backTotal
200148 ha318 ha366 ha
200260 ha369 ha429 ha
200355 ha300 ha355 ha
2004104 ha638 ha742 ha
2005159 ha2,240 ha2,400 ha
200628 ha200 ha227 ha
2007127 ha1,150 ha1,280 ha
200853 ha542 ha595 ha
200972 ha894 ha966 ha
201045 ha509 ha554 ha
201135 ha304 ha339 ha
2012126 ha991 ha1,120 ha
201335 ha191 ha226 ha
201452 ha300 ha352 ha
201539 ha273 ha312 ha
2016175 ha565 ha740 ha
2017246 ha433 ha679 ha
2018171 ha492 ha663 ha
201993 ha549 ha642 ha
202097 ha504 ha601 ha
202174 ha642 ha716 ha
2022106 ha971 ha1,080 ha
202352 ha872 ha924 ha
202468 ha1,080 ha1,150 ha
2025172 ha1,210 ha1,380 ha

Forest loss is speeding up: about 1,050 hectares a year in 2021–2025, up from 665 hectares a year in 2016–2020. The worst year was 2005, when about 2,400 hectares of forest were lost.

What is causing deforestation in Okayama?

  • Loggingcan grow back83% · 15,700 ha
  • Towns and roadscleared for good7.1% · 1,330 ha
  • Mining and energycleared for good4.6% · 872 ha

Also: wildfires, 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.

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. How it's measured

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