Air quality comparison · Malaysia, 20 km apart
Bandar Tasik Puteri vs Kapar Air quality index (AQI) today
Bandar Tasik Puteri has cleaner air than Kapar right now: AQI 66 (Moderate) against 68 (Moderate).
Both sit in the same EPA band, so the health advice is the same for each today. But over the past 7 days, on modeled daily averages, Kapar averaged AQI 51 against 92, and it was the cleaner of the two on 7 of those days. Bandar Tasik Puteri has lost more forest since 2001. Kapar has more tree cover.
Malaysia
AQI 66
Moderate
Cleaner right now
- PM2.5
- 16.9 µg/m³1.1× WHO guideline
- Main pollutant
- PM2.5
- Source
- Ground station
- Reading
- Nov 11, 23:00 local
Malaysia
AQI 68
Moderate
Cleaner right now
- PM2.5
- 18.3 µg/m³1.2× WHO guideline
- Main pollutant
- PM2.5
- Source
- Ground station
- Reading
- Nov 11, 23:00 local
Updated . Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf.
Bandar Tasik Puteri66Kapar68
Head to head
Bandar Tasik Puteri vs Kapar at a glance
Kapar is ahead on 3 of 6 measures, and Bandar Tasik Puteri on 2. The better figure in each row is marked.
| Bandar Tasik Puteri | Kapar | |
|---|---|---|
| Air quality nowUS AQI. Lower is better. | 66 (better) | 68 |
| PM2.5Fine particles, µg/m³. | 16.9 (better) | 18.3 |
| Past week's averageUS AQI, 7 days. | 92 | 51 (better) |
| Forest lost since 2001Within 10 km of the center. | 13,300 ha | 9,700 ha (better) |
| Tree coverWithin 2 km of the center. | 54.2% | 54.5% (better) |
| Trees still neededTo reach a healthy canopy. | 0 | 0 |
Air quality today
What is the air like in Bandar Tasik Puteri and Kapar right now?
Bandar Tasik Puteri has cleaner air than Kapar right now: AQI 66 (Moderate) against 68 (Moderate). PM2.5 is setting the index in both.
Bandar Tasik Puteri's PM2.5 is about 1.1× the WHO's 24-hour guideline of 15 µg/m³. Kapar's PM2.5 is about 1.2× the WHO's 24-hour guideline of 15 µg/m³.
Both readings come from nearby ground stations.
Bandar Tasik PuteriKapar
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).
Bandar Tasik Puteri: Ground station · Shah Alam, Selangor, Malaysia, 22.1 km away · median of 4 stations. Data: World Air Quality Index Project, Malaysia Department of Environment (DOE); Air Polluant Index Management System.
Kapar: Ground station · Pelabuhan Kelang, Selangor, Malaysia, 13.6 km away · median of 3 stations. Data: World Air Quality Index Project, Malaysia Department of Environment (DOE); Air Polluant Index Management System.
The past week
Which had cleaner air over the past 7 days?
But over the past 7 days, on modeled daily averages, Kapar averaged AQI 51 against 92, and it was the cleaner of the two on 7 of those days. A single reading can catch a city on a bad afternoon; the week says whether it was the weather or the place.
- Cleaner days
- Bandar Tasik Puteri0Kapar7
- Average AQI
- Bandar Tasik Puteri92Kapar51
- Worst day, AQI
- Bandar Tasik Puteri114Kapar59
The daily numbers (7 days)
| Day | Bandar Tasik Puteri | Kapar |
|---|---|---|
| Nov 5 | 92 | 50 |
| Nov 6 | 90 | 47 |
| Nov 7 | 83 | 57 |
| Nov 8 | 87 | 59 |
| Nov 9 | 83 | 57 |
| Nov 10 | 94 | 56 |
| Nov 11 | 114 | 31 |
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 Bandar Tasik Puteri and Kapar today?
Unusually sensitive people should consider limiting long outdoor exertion. Both are in the same EPA band today (Moderate), so the advice is the same.
Exercise outdoors
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.
Air purifier
Worth running if you are sensitive.
Against everywhere else
How do Bandar Tasik Puteri and Kapar compare with the rest of the world?
Right now Bandar Tasik Puteri's air is cleaner than 41% of the 5,420 places Airleaf tracks, and Kapar's is cleaner than 39%. Within Malaysia, that is 33% and 25% of its 56 measured places.
Cleaner air than…
- Bandar Tasik Puteri
- Beats 41%
- Kapar
- Beats 39%
More tree cover than…
- Bandar Tasik Puteri
- Beats 94%
- Kapar
- 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, Bandar Tasik Puteri or Kapar?
Bandar Tasik Puteri has lost more: about 13,300 ha of forest within 10 km of its center from 2001 to 2025, against 9,700 ha around Kapar. 13,200 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: 2004, with 1,190 ha lost.
Worst year: 2009, with 1,140 ha lost.
| Bandar Tasik Puteri | Kapar | |
|---|---|---|
| Forest lost since 2001Cleared, burned or logged. | 13,300 ha | 9,700 ha (better) |
| Share of its forestOf what it had in 2000. | 62% | 53% (better) |
| Cleared for goodTurned into farms, mines or towns. | 13,200 ha | 9,690 ha (better) |
| Recent trend2021–2025 against the five years before. | Slowing down | Slowing down |
| Main known cause | Farms, pasture and plantations (48%) | Farms, pasture and plantations (57%) |
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.
Bandar Tasik Puteri
2017: satellite photo from March 2017 of a 5 × 5 km area about 6 km west of the city center.
Kapar
2017: satellite photo from February 2017 of a 5 × 5 km area about 4 km southeast of the city center.
Trees
Which has more trees, Bandar Tasik Puteri or Kapar?
Kapar has more tree cover: 54.5% of the land within 2 km of its center against 54.2% around Bandar Tasik Puteri, or about 171,217 trees against 170,274.
The dark mark is each place's canopy target: 30% of the land, raised where air quality is poor.
| Bandar Tasik Puteri | Kapar | |
|---|---|---|
| Trees standingEstimated from the canopy area. | 170K | 171K (better) |
| Trees still neededTo reach the target. Fewer is better. | 0 | 0 |
| CO₂ absorbed each yearBy the trees already standing. | 3.7M kg | 3.8M kg (better) |
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
Bandar Tasik Puteri vs Kapar: your questions answered
Is Bandar Tasik Puteri cleaner than Kapar?
On air quality, yes, right now: Bandar Tasik Puteri reads AQI 66 against 68, a gap of 2 points on the US EPA index. This is a live reading rather than an annual average, so it can reverse within a day. But over the past 7 days, on modeled daily averages, Kapar averaged AQI 51 against 92, and it was the cleaner of the two on 7 of those days.
Is it safe to exercise outdoors in Bandar Tasik Puteri and Kapar today?
The advice is the same for both today. Unusually sensitive people should consider limiting long outdoor exertion. Bandar Tasik Puteri reads AQI 66 and Kapar reads AQI 68.
Which has lost more forest, Bandar Tasik Puteri or Kapar?
Bandar Tasik Puteri has lost more: about 13,300 ha of forest within 10 km of its center from 2001 to 2025, against 9,700 ha around Kapar. 13,200 ha of that was cleared for good, for farms, mines or towns.
Which has more trees, Bandar Tasik Puteri or Kapar?
Kapar has more tree cover: 54.5% of the land within 2 km of its center against 54.2% around Bandar Tasik Puteri, or about 171,217 trees against 170,274. Both figures describe the same-sized circle of ground around each center, not the whole municipality.
How many more trees do Bandar Tasik Puteri and Kapar need?
Bandar Tasik Puteri needs about 0 more to reach its canopy target of 30%, and Kapar about 0 to reach 30%. The target starts at 30% of the land and rises where air quality is poor.
Why can two places 20 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 Bandar Tasik Puteri and Kapar 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. Both readings come from nearby ground stations. Nothing is adjusted for population, city limits or climate.
How often does the Bandar Tasik Puteri vs Kapar 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 (Sep 4, 2026 and Aug 15, 2026), and the forest figures are published yearly.
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