Bangladesh · Chittagong · 8 cities
Air quality in Chittagong today The AQI right now, city by city
Right now, Cox’s Bāzār has the cleanest air of the 8 cities we track in Chittagong (AQI 12, Good), and Ashuganj City the worst (AQI 118, Unhealthy for sensitive groups). Maijdi has the most tree cover, at 71.9% — #3 of 39 cities measured in Bangladesh.
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 59
Average right now
Moderate
- cities tracked
- 8
- average tree cover
- 51.5%
- Bangladesh: 52.9%
- worst air now: Ashuganj City
- 118
- cleanest air now: Cox’s Bāzār
- 12
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Chittagong · average AQI 59
Air quality today across Chittagong, city by city
| Chattogram | 38Good | 26.5% | 10.1K | #35 of 39 |
|---|---|---|---|---|
| Comilla | 66Moderate | 41.0% | — | #31 of 39 |
| Hāthazāri | 44Good | 61.6% | — | #10 of 39 |
| Brāhmanbāria | 62Moderate | 45.6% | — | #27 of 39 |
| Cox’s Bāzār | 12Good | 58.0% | — | #14 of 39 |
| Ashuganj City | 118Unhealthy for sensitive groups | 53.3% | — | #21 of 39 |
| Chāndpur | 72Moderate | 54.3% | — | #17 of 39 |
| Maijdi | 59Moderate | 71.9% | — | #3 of 39 |
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 Bangladesh.
Deforestation · 2001–2025
How much forest has Chittagong lost?
Since 2001, Chittagong has lost about 249,000 hectares of forest (about 2,500 km²): 20% of the forest it had in 2000. Most of it was lost to shifting farming, so much of it can grow back. About 42,000 hectares (17%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 249,000 haabout 2,500 km²
- Share of its forest
- 20%of what there was in 2000
- Cleared for good
- 42,000 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 | 1,280 ha | 2,520 ha | 3,800 ha |
| 2002 | 1,180 ha | 2,040 ha | 3,220 ha |
| 2003 | 722 ha | 1,250 ha | 1,970 ha |
| 2004 | 1,060 ha | 1,720 ha | 2,770 ha |
| 2005 | 991 ha | 1,800 ha | 2,790 ha |
| 2006 | 2,760 ha | 3,240 ha | 6,000 ha |
| 2007 | 1,320 ha | 1,590 ha | 2,910 ha |
| 2008 | 1,880 ha | 2,030 ha | 3,910 ha |
| 2009 | 1,970 ha | 2,680 ha | 4,650 ha |
| 2010 | 1,730 ha | 1,890 ha | 3,620 ha |
| 2011 | 1,360 ha | 1,830 ha | 3,190 ha |
| 2012 | 1,250 ha | 3,400 ha | 4,640 ha |
| 2013 | 774 ha | 4,970 ha | 5,740 ha |
| 2014 | 1,110 ha | 10,100 ha | 11,200 ha |
| 2015 | 1,130 ha | 10,500 ha | 11,600 ha |
| 2016 | 1,690 ha | 18,300 ha | 20,000 ha |
| 2017 | 2,890 ha | 24,000 ha | 26,900 ha |
| 2018 | 2,090 ha | 16,300 ha | 18,400 ha |
| 2019 | 1,650 ha | 19,400 ha | 21,000 ha |
| 2020 | 2,120 ha | 17,800 ha | 20,000 ha |
| 2021 | 2,460 ha | 13,500 ha | 15,900 ha |
| 2022 | 2,330 ha | 10,400 ha | 12,800 ha |
| 2023 | 2,580 ha | 13,500 ha | 16,100 ha |
| 2024 | 2,120 ha | 12,000 ha | 14,100 ha |
| 2025 | 1,560 ha | 10,200 ha | 11,800 ha |
Forest loss is slowing down: about 14,100 hectares a year in 2021–2025, down from 21,300 hectares a year in 2016–2020. The worst year was 2017, when about 26,900 hectares of forest were lost.
What is causing deforestation in Chittagong?
- Shifting farmingcan grow back77% · 193,000 ha
- Farms, pasture and plantationscleared for good16% · 40,400 ha
- Loggingcan grow back5.3% · 13,200 ha
Also: towns and roads, storms, floods and other natural causes, wildfires, mining and energy, 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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