Dhaka
2 km around Tanti Bazar
Air quality now
AQI 157
12.8%
tree cover
79.4K more trees would reach 40% tree cover
Asia · air quality report · 45 cities
Right now the 45 cities Airleaf measures in Bangladesh average AQI 123 (unhealthy for sensitive groups). The worst air is in Sonārgaon, at AQI 164, and the cleanest in Narsingdi, at AQI 133.
At ground stations alone, which measure rather than estimate, the average is AQI 152 across 9 cities. 67% of the 45 measured cities are over AQI 100 today, where the air stops being fine for sensitive groups, and 11% have Good air.
Average right now
AQI 123
Unhealthy for sensitive groups
Updated . Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf.
Bangladesh · average AQI 123
2 km around Tanti Bazar
Air quality now
AQI 157
12.8%
tree cover
79.4K more trees would reach 40% tree cover
2 km around Nandan Kanan
Air quality now
AQI 50
26.5%
tree cover
10.1K more trees would reach 30% tree cover
2 km around Gazipur
Air quality now
AQI 156
61.7%
tree cover
Healthy tree cover
2 km around Khulna City
Air quality now
AQI 137
38.9%
tree cover
Healthy tree cover
2 km around Rangpur
Air quality now
AQI 183
59.6%
tree cover
Healthy tree cover
2 km around Kadirganj
Air quality now
AQI 192
39.8%
tree cover
565 more trees would reach 40% tree cover
2 km around Cumilla
Air quality now
AQI 64
41.0%
tree cover
Healthy tree cover
2 km around Muhammadpur
Air quality now
AQI 220
49.8%
tree cover
Healthy tree cover
Across the country
67% of the 45 measured cities are over AQI 100 today, where the air stops being fine for sensitive groups, and 11% have Good air. Sensitive groups should limit long or intense outdoor activity.
45 measured cities
Every measured city, including model estimates where no ground station is near.
In aggregate
Every figure below is read the same way over the same 2 km area per city, so they add up and compare like for like. Averaged across the 45 of 45 cities measured so far in Bangladesh.
Excludes barren and desert sites
Against everywhere else
Right now the cities of Bangladesh average cleaner air than 2% of the 171 countries Airleaf has enough cities to average, and more tree cover than 99%.
Cleaner air than…
More tree cover than…
See the most polluted and cleanest air rankings for every country.
Deforestation · 2001–2025
Since 2001, Bangladesh has lost about 263,000 hectares of forest (about 2,600 km²): 14% of the forest it had in 2000. Most of it was lost to shifting farming, so much of it can grow back. About 49,400 hectares (19%) was deforestation: forest cleared for good for farms, mines or towns.
Hectares of forest lost each year
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 1,550 ha | 2,830 ha | 4,380 ha |
| 2002 | 1,480 ha | 2,470 ha | 3,950 ha |
| 2003 | 789 ha | 1,350 ha | 2,140 ha |
| 2004 | 1,800 ha | 2,170 ha | 3,970 ha |
| 2005 | 1,130 ha | 2,030 ha | 3,160 ha |
| 2006 | 3,140 ha | 3,540 ha | 6,680 ha |
| 2007 | 1,830 ha | 2,010 ha | 3,830 ha |
| 2008 | 2,180 ha | 2,290 ha | 4,470 ha |
| 2009 | 2,540 ha | 2,960 ha | 5,510 ha |
| 2010 | 2,200 ha | 2,380 ha | 4,580 ha |
| 2011 | 1,740 ha | 2,230 ha | 3,970 ha |
| 2012 | 1,530 ha | 3,590 ha | 5,110 ha |
| 2013 | 853 ha | 5,010 ha | 5,870 ha |
| 2014 | 1,270 ha | 10,300 ha | 11,500 ha |
| 2015 | 1,180 ha | 10,600 ha | 11,800 ha |
| 2016 | 1,840 ha | 18,600 ha | 20,500 ha |
| 2017 | 3,150 ha | 24,400 ha | 27,500 ha |
| 2018 | 2,310 ha | 16,600 ha | 18,900 ha |
| 2019 | 1,850 ha | 19,500 ha | 21,400 ha |
| 2020 | 2,370 ha | 18,000 ha | 20,300 ha |
| 2021 | 2,690 ha | 13,700 ha | 16,400 ha |
| 2022 | 2,590 ha | 10,700 ha | 13,300 ha |
| 2023 | 2,910 ha | 13,700 ha | 16,600 ha |
| 2024 | 2,510 ha | 12,200 ha | 14,700 ha |
| 2025 | 1,960 ha | 10,500 ha | 12,400 ha |
Forest loss is slowing down: about 14,700 hectares a year in 2021–2025, down from 21,700 hectares a year in 2016–2020. The worst year was 2017, when about 27,500 hectares of forest were lost.
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
14.4% of Bangladesh was forested as of 2024, against a 30% benchmark. Closing that gap nationally would take roughly 2.0B trees across 2.0M hectares. Source: World Bank (FAO).
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Picked by tested clean-air delivery rate (CADR), noise and running cost, from independent test labels. No brand pays to be listed.
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.
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.
NIOSH-approved N95 masks and P100 respirators for smog and smoke, and how to get the fit right. Cloth and surgical masks do little against PM2.5.
Frequently asked
Right now the 45 cities Airleaf measures in Bangladesh average AQI 123 (unhealthy for sensitive groups). The worst air is in Sonārgaon, at AQI 164, and the cleanest in Narsingdi, at AQI 133. At ground stations alone, which measure rather than estimate, the average is AQI 152 across 9 cities. 67% of the 45 measured cities are over AQI 100 today, where the air stops being fine for sensitive groups, and 11% have Good air.
Sonārgaon, at AQI 164 (Unhealthy) on the US EPA index. Everyone should limit long outdoor exertion; sensitive groups more so.
Narsingdi, at AQI 133 (Unhealthy for sensitive groups). Both lists rank current readings, from ground stations wherever Bangladesh has at least three cities with one.
It depends on the city. 5 cities are Good, 10 cities are Moderate, 9 cities are Unhealthy for sensitive groups, 19 cities are Unhealthy, 2 cities are Very unhealthy. At the national average of AQI 123: Sensitive groups should limit long or intense outdoor activity.
About 263,000 ha from 2001 to 2025, 14% of the forest it had in 2000, from the University of Maryland's yearly satellite maps of forest loss. 49,400 ha of it was cleared for good, for farms, mines or towns.
Bagerhat, with 76.9% tree cover within 2 km of its center, measured from Sentinel-2 satellite images.
Each city's reading is the US EPA air quality index, from ground monitoring stations where one has reported recently nearby, and from the CAMS atmospheric model elsewhere; each city's report says which. Tree cover is measured over the same 2 km radius in every city, so the cities compare like for like.
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