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Air quality now: Iwaki

Japan · Fukushima · 4 cities

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

Right now, Aizu-Wakamatsu has the cleanest air of the 4 cities we track in Fukushima (AQI 22, Good), and Iwaki the worst (AQI 40, Good). Aizu-Wakamatsu has the most tree cover, at 44.9% — #14 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 27

Average right now

Good

US EPA index, across 4 cities
cities tracked
4
average tree cover
24.0%
Japan: 16.4%
worst air now: Iwaki
40
cleanest air now: Aizu-Wakamatsu
22

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

Fukushima · average AQI 27

Air quality today across Fukushima, city by city

Current air quality and tree cover for cities in Fukushima, Japan
Iwaki40Good30.7%—#36 of 207
Kōriyama39Good5.5%76.6K#167 of 207
Fukushima6Good14.8%46.7K#79 of 207
Aizu-Wakamatsu22Good44.9%—#14 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 Fukushima lost?

Since 2001, Fukushima has lost about 39,000 hectares of forest (about 55,000 football pitches): 3.7% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 4,560 hectares (12%) was deforestation: forest cleared for good for farms, mines or towns.

Forest lost since 2001
39,000 haabout 55,000 football pitches
Share of its forest
3.7%of what there was in 2000
Cleared for good
4,560 hadeforestation: turned into farms, mines or towns
Forest lost each year in Fukushima, 2001–2025

Hectares of forest lost each year

Forest lost each year in Fukushima, 2001–2025. Use the left and right arrow keys to read each year.3.1K

Show the figures as a table
Forest lost each year in Fukushima, 2001–2025
YearCleared for goodCan grow backTotal
2001310 ha1,460 ha1,770 ha
2002124 ha1,100 ha1,230 ha
200371 ha805 ha876 ha
2004127 ha1,040 ha1,170 ha
200547 ha529 ha576 ha
2006205 ha1,950 ha2,150 ha
2007134 ha1,490 ha1,630 ha
2008113 ha1,330 ha1,440 ha
2009191 ha1,640 ha1,830 ha
2010110 ha1,360 ha1,470 ha
201162 ha380 ha442 ha
2012381 ha2,720 ha3,100 ha
201371 ha685 ha756 ha
2014125 ha859 ha984 ha
2015197 ha825 ha1,020 ha
2016257 ha1,610 ha1,870 ha
2017161 ha1,340 ha1,500 ha
2018224 ha1,560 ha1,780 ha
2019322 ha1,360 ha1,680 ha
2020367 ha1,150 ha1,520 ha
2021220 ha1,350 ha1,570 ha
2022257 ha1,610 ha1,870 ha
2023200 ha1,690 ha1,890 ha
2024124 ha2,120 ha2,250 ha
2025161 ha2,430 ha2,590 ha

Forest loss has stayed about the same: about 2,030 hectares a year in 2021–2025, against 1,670 hectares a year in 2016–2020. The worst year was 2012, when about 3,100 hectares of forest were lost.

What is causing deforestation in Fukushima?

  • Loggingcan grow back86% · 33,600 ha
  • Towns and roadscleared for good6.4% · 2,500 ha
  • Mining and energycleared for good4.3% · 1,690 ha

Also: farms, pasture and plantations, storms, floods and other natural causes, wildfires, 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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