Japan · Ishikawa · 3 cities
Air quality in Ishikawa today The AQI right now, city by city
Air quality and tree cover for 3 cities in Ishikawa, Japan, measured from satellite imagery and live air-quality data.
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.
Average right now
AQI 8
Good
- cities tracked
- 3
- average tree cover
- 2.6%
- Japan: 16.4%
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Ishikawa · average AQI 8
Air quality today across Ishikawa, city by city
| Kanazawa | 13Good | 2.8% | 78.8K | #198 of 207 |
|---|---|---|---|---|
| Matsutō | 6Good | 2.8% | 85.5K | #197 of 207 |
| Komatsu | 6Good | 2.2% | 86.7K | #205 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 Ishikawa lost?
Since 2001, Ishikawa has lost about 5,010 hectares of forest (about 7,000 football pitches): 1.7% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 1,440 hectares (29%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 5,010 haabout 7,000 football pitches
- Share of its forest
- 1.7%of what there was in 2000
- Cleared for good
- 1,440 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 | 20 ha | 90 ha | 110 ha |
| 2002 | 33 ha | 113 ha | 146 ha |
| 2003 | 6 ha | 22 ha | 28 ha |
| 2004 | 72 ha | 164 ha | 236 ha |
| 2005 | 32 ha | 92 ha | 124 ha |
| 2006 | 28 ha | 138 ha | 166 ha |
| 2007 | 6 ha | 34 ha | 40 ha |
| 2008 | 82 ha | 191 ha | 273 ha |
| 2009 | 20 ha | 76 ha | 95 ha |
| 2010 | 30 ha | 102 ha | 131 ha |
| 2011 | 30 ha | 120 ha | 150 ha |
| 2012 | 31 ha | 129 ha | 160 ha |
| 2013 | 16 ha | 66 ha | 82 ha |
| 2014 | 25 ha | 63 ha | 89 ha |
| 2015 | 37 ha | 81 ha | 118 ha |
| 2016 | 98 ha | 164 ha | 262 ha |
| 2017 | 88 ha | 107 ha | 195 ha |
| 2018 | 71 ha | 79 ha | 150 ha |
| 2019 | 53 ha | 118 ha | 171 ha |
| 2020 | 105 ha | 136 ha | 241 ha |
| 2021 | 33 ha | 129 ha | 162 ha |
| 2022 | 50 ha | 212 ha | 262 ha |
| 2023 | 25 ha | 192 ha | 217 ha |
| 2024 | 274 ha | 374 ha | 648 ha |
| 2025 | 176 ha | 576 ha | 752 ha |
Forest loss is speeding up: about 408 hectares a year in 2021–2025, up from 204 hectares a year in 2016–2020. The worst year was 2025, when about 752 hectares of forest were lost.
What is causing deforestation in Ishikawa?
- Loggingcan grow back62% · 3,130 ha
- Towns and roadscleared for good15% · 765 ha
- Mining and energycleared for good13% · 628 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.
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
Other prefectures in Japan
Clean-air buying guides
Cleaner air at home in Ishikawa
Picked by tested clean-air delivery rate (CADR), noise and running cost, from independent test labels. No brand pays to be listed.
- The best air purifiers for wildfire smoke and smog
Air purifiers that keep up with wildfire smoke and winter smog, ranked by verified smoke CADR, with the room each one clears on a smoky day.
- The best air purifiers for bedrooms: quiet picks sized for your room
Quiet HEPA air purifiers for bedrooms, compared on what matters at night: noise on the lowest setting (from 20 dB), verified room size and filter cost.
- The best air purifiers under $200
Good HEPA air purifiers under $200 at the makers' own prices, compared on verified clean air, room size and what the filters cost each year.
Your own street