City report · Chittagong, Bangladesh
Maijdi Air quality today
Air quality in Maijdi currently reads AQI 59 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 59
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 10.9
- tree cover
- 71.9%
- trees in this area
- 224K
- more trees needed
- 0
Measured across a 2 km radius around Maijdee, Bangladesh (12.57 km²), from a satellite image of Nov 6, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Maijdi · AQI 59 (Moderate)
Maijdi's tree count comes to 224,299 trees across 12.48 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Maijdi today: AQI 59, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 20:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 105 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 105 km, e.g. Sonargaon and Narayanganj
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
10.9
PM10
17.4
NO₂
9.0
O₃
107.0
SO₂
4.0
CO
364.0
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Maijdi's daily AQI at 125 on average, from 77 on Nov 10 to an hourly peak of 173 on Nov 8.
Where Maijdi stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Maijdi: Healthy tree cover
71.9% tree cover against a 30% healthy-neighborhood target, across 12.48 km² of land.
Trees in this area
224,299
Target trees
224,299
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Maijdi lost?
Since 2001, the area within 10 km of Maijdi has lost about 1 hectare of forest: under 1% of the forest it had in 2000. The biggest cause was towns and roads (7.1%). Almost none of it was deforestation, meaning forest cleared for good.
2017: satellite photo from January 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 1 ha
- Share of its forest
- under 1%of what there was in 2000
- Cleared for good
- under 1 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 | under 1 ha | under 1 ha | under 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Maijdi?
- Towns and roadscleared for good7.1% · under 1 ha
- Unknown causescause unknown86% · 1 ha
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 14,500 ha
- Forest in 2020
- 16,200 ha
- Overall change
- +1,700 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Maijdi grew from about 14,500 hectares to 16,200 hectares, a net gain of about 1,700 hectares (+12%). New forest grew on about 1,730 hectares, while 31 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
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. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
In the same region
Measured cities near Maijdi
Same 2 km radius, same index — so they compare directly.
- Chāndpur60.7 km
Bangladesh
- Tree cover
- 54%
- Air quality
- 74
- Comilla66.8 km
Bangladesh
- Tree cover
- 41%
- Air quality
- 64
- Barishal77.0 km
Bangladesh
- Tree cover
- 51%
- Air quality
- 52
- Hāthazāri83.5 km
Bangladesh
- Tree cover
- 62%
- Air quality
- 47
- Chattogram95.4 km
Bangladesh
- Tree cover
- 27%
- Air quality
- 41
- Sonārgaon100.1 km
Bangladesh
- Tree cover
- 66%
- Air quality
- 156
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Frequently asked
Questions about Maijdi
What is the air quality (AQI) in Maijdi right now?
The latest reading for Maijdi shows an AQI of 59 (Moderate), observed Nov 10, 20:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 105 km, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Maijdi today?
At AQI 59 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Maijdi been like this week?
Over the last 7 days, the CAMS air-quality model put Maijdi's daily AQI at 125 on average, from 77 on Nov 10 to an hourly peak of 173 on Nov 8. On 6 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Maijdi lost since 2001?
Since 2001, the area within 10 km of Maijdi has lost about 1 hectare of forest: under 1% of the forest it had in 2000. The biggest cause was towns and roads (7.1%). Almost none of it was deforestation, meaning forest cleared for good. Comparing satellite maps from 2000 and 2020, the forest around Maijdi grew from about 14,500 hectares to 16,200 hectares, a net gain of about 1,700 hectares (+12%). New forest grew on about 1,730 hectares, while 31 hectares were lost.
What is the tree count in Maijdi?
Maijdi has an estimated 224,299 trees across the 12.48 km² of land measured — 71.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Maijdi need?
Maijdi has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Maijdi's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Maijdee; the tree count is an estimate derived from that cover.
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