Japan · Toyama · 2 cities
Air quality in Toyama today The AQI right now, city by city
Right now, Takaoka has the cleanest air of the 2 cities we track in Toyama (AQI 3, Good), and Toyama the worst (AQI 11, Good). Toyama has the most tree cover, at 6.1% — #161 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.
- cities tracked
- 2
- average tree cover
- 5.2%
- Japan: 16.4%
- worst air now: Toyama
- 11
- cleanest air now: Takaoka
- 3
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Toyama
Air quality today across Toyama, city by city
| Toyama | 11Good | 6.1% | 73.6K | #161 of 207 |
|---|---|---|---|---|
| Takaoka | 3Good | 4.3% | 80.4K | #181 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 Toyama lost?
Since 2001, Toyama has lost about 3,010 hectares of forest (about 4,200 football pitches): 1.1% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 498 hectares (17%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 3,010 haabout 4,200 football pitches
- Share of its forest
- 1.1%of what there was in 2000
- Cleared for good
- 498 hadeforestation: turned into farms, mines or towns
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 18 ha | 50 ha | 68 ha |
| 2002 | 18 ha | 96 ha | 114 ha |
| 2003 | 4 ha | 18 ha | 22 ha |
| 2004 | 43 ha | 162 ha | 205 ha |
| 2005 | 9 ha | 101 ha | 110 ha |
| 2006 | 26 ha | 177 ha | 203 ha |
| 2007 | 5 ha | 38 ha | 43 ha |
| 2008 | 40 ha | 155 ha | 195 ha |
| 2009 | 18 ha | 41 ha | 59 ha |
| 2010 | 22 ha | 91 ha | 113 ha |
| 2011 | 30 ha | 135 ha | 165 ha |
| 2012 | 17 ha | 99 ha | 116 ha |
| 2013 | 7 ha | 71 ha | 78 ha |
| 2014 | 11 ha | 91 ha | 102 ha |
| 2015 | 10 ha | 41 ha | 51 ha |
| 2016 | 48 ha | 121 ha | 169 ha |
| 2017 | 26 ha | 97 ha | 123 ha |
| 2018 | 8 ha | 84 ha | 91 ha |
| 2019 | 7 ha | 92 ha | 99 ha |
| 2020 | 16 ha | 97 ha | 113 ha |
| 2021 | 34 ha | 88 ha | 122 ha |
| 2022 | 13 ha | 115 ha | 128 ha |
| 2023 | 14 ha | 159 ha | 172 ha |
| 2024 | 13 ha | 149 ha | 161 ha |
| 2025 | 41 ha | 153 ha | 194 ha |
Forest loss is speeding up: about 155 hectares a year in 2021–2025, up from 119 hectares a year in 2016–2020. The worst year was 2004, when about 205 hectares of forest were lost.
What is causing deforestation in Toyama?
- Loggingcan grow back71% · 2,140 ha
- Towns and roadscleared for good9.8% · 294 ha
- Mining and energycleared for good5.9% · 179 ha
Also: 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.
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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