Air quality comparison · Bangladesh, 27 km apart
Nagar Naluākot vs Narsingdi Air quality index (AQI) today
Nagar Naluākot has cleaner air than Narsingdi right now: AQI 48 (Good) against 151 (Unhealthy).
That puts them in different EPA bands, so the health advice differs today. Over the past 7 days, on modeled daily averages, both averaged AQI 140. Narsingdi has lost more forest since 2001. Nagar Naluākot has more tree cover.
Bangladesh
AQI 48
Good
Cleaner right now
- PM2.5
- 7.8 µg/m³
- Main pollutant
- PM2.5
- Source
- Model estimate
- Reading
- Nov 11, 13:00 local
Bangladesh
AQI 151
Unhealthy
Cleaner right now
- PM2.5
- 56 µg/m³3.7× WHO guideline
- Main pollutant
- PM2.5
- Source
- Ground station
- Reading
- Nov 12, 00:00 local
Updated . Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf.
Nagar Naluākot48Narsingdi151
Head to head
Nagar Naluākot vs Narsingdi at a glance
Nagar Naluākot is ahead on 4 of 6 measures, and Narsingdi on 0. The better figure in each row is marked.
| Nagar Naluākot | Narsingdi | |
|---|---|---|
| Air quality nowUS AQI. Lower is better. | 48 (better) | 151 |
| PM2.5Fine particles, µg/m³. | 7.8 (better) | 56 |
| Past week's averageUS AQI, 7 days. | 140 | 140 |
| Forest lost since 2001Within 10 km of the center. | 6 ha (better) | 8 ha |
| Tree coverWithin 2 km of the center. | 89.9% (better) | 53.8% |
| Trees still neededTo reach a healthy canopy. | 0 | 0 |
Air quality today
What is the air like in Nagar Naluākot and Narsingdi right now?
Nagar Naluākot has cleaner air than Narsingdi right now: AQI 48 (Good) against 151 (Unhealthy). PM2.5 is setting the index in both.
Narsingdi's PM2.5 is about 3.7× the WHO's 24-hour guideline of 15 µg/m³.
Narsingdi is read from a nearby ground station and Nagar Naluākot is a model estimate, so the two are not quite like for like.
Nagar NaluākotNarsingdi
Concentrations at the same moment as the index above, for the pollutants both places report. Lower is better. The dark marks on the PM2.5 and PM10 rows show the WHO's 24-hour guidelines (15 and 45 µg/m³).
Nagar Naluākot: Estimate · model corrected with 4 station cities within 65 km, e.g. Narsingdi and Tongi. Data: Open-Meteo / CAMS, corrected with 4 ground-station cities within 65 km, US EPA index.
Narsingdi: Ground station · Kaliganj | Gazipur | Smart Air Bangladesh, 18.3 km away. Data: OpenAQ · AirGradient, Smart Air Bangladesh.
The past week
Which had cleaner air over the past 7 days?
Over the past 7 days, on modeled daily averages, both averaged AQI 140. A single reading can catch a city on a bad afternoon; the week says whether it was the weather or the place.
- Cleaner days
- Nagar Naluākot1Narsingdi0
- Average AQI
- Nagar Naluākot140Narsingdi140
- Worst day, AQI
- Nagar Naluākot168Narsingdi168
The daily numbers (7 days)
| Day | Nagar Naluākot | Narsingdi |
|---|---|---|
| Nov 5 | 134 | 134 |
| Nov 6 | 147 | 147 |
| Nov 7 | 168 | 168 |
| Nov 8 | 164 | 164 |
| Nov 9 | 137 | 137 |
| Nov 10 | 149 | 149 |
| Nov 11 | 79 | 84 |
Daily averages from the CAMS atmospheric model for both places, so the week compares like with like. They can differ from today's reading at the top of the page wherever that comes from a ground station.
What it means today
Is it safe to go outside in Nagar Naluākot and Narsingdi today?
Nagar Naluākot (AQI 48, Good): Air quality is satisfactory for everyone.
Narsingdi (AQI 151, Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Exercise outdoors
- Nagar Naluākot
- A good day to be active outside.
- Narsingdi
- Everyone should cut down long or hard exercise; sensitive groups should avoid it.
Windows
- Nagar Naluākot
- Open them to air the house.
- Narsingdi
- Keep them closed.
Masks
- Nagar Naluākot
- Not needed.
- Narsingdi
- Wear an N95 outdoors.
Air purifier
- Nagar Naluākot
- Not needed.
- Narsingdi
- Run one.
Against everywhere else
How do Nagar Naluākot and Narsingdi compare with the rest of the world?
Right now Nagar Naluākot's air is cleaner than 63% of the 5,420 places Airleaf tracks, and Narsingdi's is cleaner than 11%. Within Bangladesh, that is 89% and 16% of its 45 measured places.
Cleaner air than…
- Nagar Naluākot
- Beats 63%
- Narsingdi
- Beats 11%
More tree cover than…
- Nagar Naluākot
- Beats 100%
- Narsingdi
- Beats 94%
Includes model estimates as well as station readings, so it can differ from our most polluted and cleanest air rankings, which use station readings only.
Deforestation · 2001–2025
Which has lost more forest, Nagar Naluākot or Narsingdi?
Narsingdi has lost more: about 8 ha of forest within 10 km of its center from 2001 to 2025, against 6 ha around Nagar Naluākot. under 1 ha of that was cleared for good, for farms, mines or towns.
Measured within 10 km of each center, from the yearly satellite maps of forest loss: a wider circle than the one for tree cover, because forest is usually lost at a city's edges.
Worst year: 2010, with 1 ha lost.
Worst year: 2002, with 2 ha lost.
| Nagar Naluākot | Narsingdi | |
|---|---|---|
| Forest lost since 2001Cleared, burned or logged. | 6 ha (better) | 8 ha |
| Share of its forestOf what it had in 2000. | under 1% (better) | under 1% |
| Cleared for goodTurned into farms, mines or towns. | under 1 ha | under 1 ha (better) |
| Recent trend2021–2025 against the five years before. | Too little to call | Too little to call |
| Main known cause | Farms, pasture and plantations (1.8%) | Not classified |
Satellite timelapses
Watch both change, year by year
A clear satellite photo a year of the land around each city. Press play, turn on the forest cleared since the first year, or drag the before and after.
Nagar Naluākot
2017: satellite photo from January 2017 of a 5 × 5 km area in the city center.
Narsingdi
2017: satellite photo from January 2017 of a 5 × 5 km area in the city center.
Trees
Which has more trees, Nagar Naluākot or Narsingdi?
Nagar Naluākot has more tree cover: 89.9% of the land within 2 km of its center against 53.8% around Narsingdi, or about 282,429 trees against 152,961.
The dark mark is each place's canopy target: 30% of the land, raised where air quality is poor.
| Nagar Naluākot | Narsingdi | |
|---|---|---|
| Trees standingEstimated from the canopy area. | 282K (better) | 153K |
| Trees still neededTo reach the target. Fewer is better. | 0 | 0 |
| CO₂ absorbed each yearBy the trees already standing. | 6.2M kg (better) | 3.4M kg |
Tree cover on the satellite image
The same 2 km radius around each center, with the tree cover the satellite found marked on it.
Reading these numbers
How this comparison is made
Air quality index
The US EPA index, computed from current pollutant concentrations: ground stations where a place has them nearby, and the CAMS atmospheric model everywhere else. It moves hour to hour, so it is a snapshot rather than a verdict on either place. The guideline marks are from the WHO's 2021 air quality guidelines.
Trees and forest
Tree cover is the share of ground under canopy within 2 km of each center, read from Sentinel-2 satellite imagery at 10 m detail. It measures that circle, not the whole municipality, which is what makes the two comparable. Forest loss comes from the University of Maryland's Global Forest Change maps.
More on the method on the About Airleaf page.
Frequently asked
Nagar Naluākot vs Narsingdi: your questions answered
Is Nagar Naluākot cleaner than Narsingdi?
On air quality, yes, right now: Nagar Naluākot reads AQI 48 against 151, a gap of 103 points on the US EPA index. This is a live reading rather than an annual average, so it can reverse within a day. Over the past 7 days, on modeled daily averages, both averaged AQI 140.
Is it safe to exercise outdoors in Nagar Naluākot and Narsingdi today?
In Nagar Naluākot, at AQI 48: Air quality is satisfactory for everyone. In Narsingdi, at AQI 151: Everyone should limit long outdoor exertion; sensitive groups more so.
Which has lost more forest, Nagar Naluākot or Narsingdi?
Narsingdi has lost more: about 8 ha of forest within 10 km of its center from 2001 to 2025, against 6 ha around Nagar Naluākot. under 1 ha of that was cleared for good, for farms, mines or towns.
Which has more trees, Nagar Naluākot or Narsingdi?
Nagar Naluākot has more tree cover: 89.9% of the land within 2 km of its center against 53.8% around Narsingdi, or about 282,429 trees against 152,961. Both figures describe the same-sized circle of ground around each center, not the whole municipality.
How many more trees do Nagar Naluākot and Narsingdi need?
Nagar Naluākot needs about 0 more to reach its canopy target of 30%, and Narsingdi about 0 to reach 40%. The target starts at 30% of the land and rises where air quality is poor.
Why can two places 27 km apart read differently?
Air changes over short distances with traffic, industry, wind and hills, and each reading comes from the nearest ground stations or, where there are none, from a regional model. A gap of a few points between neighbors is within normal variation, while a gap that crosses an EPA band is worth noticing.
Are Nagar Naluākot and Narsingdi measured the same way?
The method is the same: the US EPA index for air, and Sentinel-2 satellite imagery at 10 m detail over an identical radius for trees. Narsingdi is read from a nearby ground station and Nagar Naluākot is a model estimate, so the two are not quite like for like. Nothing is adjusted for population, city limits or climate.
How often does the Nagar Naluākot vs Narsingdi comparison update?
The air readings refresh about once an hour, and each reading's local time is shown at the top of the page. Tree cover comes from the latest clear satellite image of each area (Nov 6, 2026 and Nov 6, 2026), and the forest figures are published yearly.
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