Japan · Hiroshima · 6 cities
Air quality in Hiroshima today The AQI right now, city by city
Right now, Hatsukaichi has the cleanest air of the 6 cities we track in Hiroshima (AQI 33, Good), and Onomichi the worst (AQI 52, Moderate). Kure has the most tree cover, at 60.8% — #3 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 42
Average right now
Good
- cities tracked
- 6
- average tree cover
- 28.1%
- Japan: 16.4%
- worst air now: Onomichi
- 52
- cleanest air now: Hatsukaichi
- 33
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Hiroshima · average AQI 42
Air quality today across Hiroshima, city by city
| Hiroshima | 39Good | 13.3% | 47.4K | #91 of 207 |
|---|---|---|---|---|
| Fukuyama | 52Moderate | 4.6% | 75.7K | #176 of 207 |
| Kure | 39Good | 60.8% | — | #3 of 207 |
| Higashihiroshima | 39Good | 31.5% | — | #33 of 207 |
| Onomichi | 52Moderate | 45.1% | — | #13 of 207 |
| Hatsukaichi | 33Good | 13.3% | 37.8K | #90 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 Hiroshima lost?
Since 2001, Hiroshima has lost about 28,400 hectares of forest (about 40,000 football pitches): 4.6% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 3,120 hectares (11%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 28,400 haabout 40,000 football pitches
- Share of its forest
- 4.6%of what there was in 2000
- Cleared for good
- 3,120 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 | 149 ha | 887 ha | 1,040 ha |
| 2002 | 130 ha | 1,190 ha | 1,320 ha |
| 2003 | 97 ha | 931 ha | 1,030 ha |
| 2004 | 125 ha | 1,210 ha | 1,330 ha |
| 2005 | 135 ha | 967 ha | 1,100 ha |
| 2006 | 125 ha | 836 ha | 961 ha |
| 2007 | 260 ha | 1,450 ha | 1,710 ha |
| 2008 | 150 ha | 818 ha | 968 ha |
| 2009 | 187 ha | 1,320 ha | 1,510 ha |
| 2010 | 101 ha | 1,140 ha | 1,240 ha |
| 2011 | 95 ha | 825 ha | 920 ha |
| 2012 | 149 ha | 1,020 ha | 1,170 ha |
| 2013 | 71 ha | 574 ha | 645 ha |
| 2014 | 51 ha | 649 ha | 700 ha |
| 2015 | 60 ha | 615 ha | 675 ha |
| 2016 | 111 ha | 1,260 ha | 1,370 ha |
| 2017 | 92 ha | 1,010 ha | 1,100 ha |
| 2018 | 362 ha | 1,240 ha | 1,600 ha |
| 2019 | 114 ha | 1,040 ha | 1,160 ha |
| 2020 | 75 ha | 1,030 ha | 1,100 ha |
| 2021 | 81 ha | 933 ha | 1,010 ha |
| 2022 | 104 ha | 1,150 ha | 1,260 ha |
| 2023 | 107 ha | 1,020 ha | 1,120 ha |
| 2024 | 115 ha | 1,120 ha | 1,240 ha |
| 2025 | 80 ha | 1,080 ha | 1,160 ha |
Forest loss has stayed about the same: about 1,160 hectares a year in 2021–2025, against 1,270 hectares a year in 2016–2020. The worst year was 2007, when about 1,710 hectares of forest were lost.
What is causing deforestation in Hiroshima?
- Loggingcan grow back86% · 24,500 ha
- Towns and roadscleared for good7.9% · 2,250 ha
- Mining and energycleared for good2.9% · 830 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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