City report · Samut Prakan, Thailand
Phra Pradaeng Air quality today
Air quality in Phra Pradaeng currently reads AQI 58 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 58
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 12.7
- tree cover
- 25.1%
- trees in this area
- 63.5K
- more trees needed
- 12.4K
Measured across a 2 km radius around Talat, Phra Pradaeng District, Samut Prakan 10130, Thailand (12.57 km²), from a satellite image of Aug 3, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Phra Pradaeng · AQI 58 (Moderate)
Phra Pradaeng's tree count comes to 63,477 trees across 10.12 km² of land, 5 points below the 30% tree-cover level considered healthy for this area, so roughly 12,392 more trees would close the gap.
Air quality detail
Air quality in Phra Pradaeng today: AQI 58, Moderate
Main pollutant: PM2.5 · Observed Nov 12, 01:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Prabadang Rehabiltation Center, 1.2 km away · median of 22 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
12.7
PM10
42.0
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · Air4Thai, Pollution Control Department, Thailand · Air4Thai
- 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 Phra Pradaeng's daily AQI at 68 on average, from 46 on Nov 10 to an hourly peak of 113 on Nov 7.
Where Phra Pradaeng stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Phra Pradaeng: Below target
25.1% tree cover against a 30% healthy-neighborhood target, across 10.12 km² of land.
Trees in this area
63,477
Target trees
75,869
More trees needed
12,392
CO₂ if planted / yr
272.6 t
Deforestation · 2001–2025
How much forest has Phra Pradaeng lost?
Since 2001, the area within 10 km of Phra Pradaeng has lost about 179 hectares of forest (about 250 football pitches): 8% of the forest it had in 2000. Most of it (78%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from March 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 179 haabout 250 football pitches
- Share of its forest
- 8%of what there was in 2000
- Cleared for good
- 140 hadeforestation: turned into farms, mines or towns
The worst year was 2010, when about 30 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 1 ha | under 1 ha | 1 ha |
| 2002 | 2 ha | under 1 ha | 2 ha |
| 2003 | 2 ha | under 1 ha | 3 ha |
| 2004 | 11 ha | 1 ha | 12 ha |
| 2005 | 3 ha | under 1 ha | 4 ha |
| 2006 | 10 ha | 2 ha | 11 ha |
| 2007 | 3 ha | 2 ha | 5 ha |
| 2008 | 3 ha | under 1 ha | 4 ha |
| 2009 | 8 ha | under 1 ha | 9 ha |
| 2010 | 29 ha | 1 ha | 30 ha |
| 2011 | 3 ha | under 1 ha | 4 ha |
| 2012 | 8 ha | under 1 ha | 8 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | 3 ha | under 1 ha | 3 ha |
| 2015 | under 1 ha | 4 ha | 5 ha |
| 2016 | 8 ha | 19 ha | 27 ha |
| 2017 | 10 ha | 4 ha | 14 ha |
| 2018 | 3 ha | under 1 ha | 3 ha |
| 2019 | 3 ha | under 1 ha | 3 ha |
| 2020 | 2 ha | under 1 ha | 2 ha |
| 2021 | 1 ha | under 1 ha | 1 ha |
| 2022 | 3 ha | under 1 ha | 3 ha |
| 2023 | 13 ha | under 1 ha | 13 ha |
| 2024 | 2 ha | under 1 ha | 2 ha |
| 2025 | 9 ha | 1 ha | 10 ha |
What is causing deforestation around Phra Pradaeng?
- Towns and roadscleared for good77% · 138 ha
- Loggingcan grow back15% · 27 ha
- Farms, pasture and plantationscleared for good1.1% · 2 ha
Also: unknown causes.
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
- 3,780 ha
- Forest in 2020
- 3,720 ha
- Overall change
- −61 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Phra Pradaeng stayed about the same size, at about 3,720 hectares: new forest grew on about 270 hectares, and about 331 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 Phra Pradaeng
Same 2 km radius, same index — so they compare directly.
- Bang Khae14.1 km
Thailand
- Tree cover
- 30%
- Air quality
- 58
- Ban Samae Dam17.6 km
Thailand
- Tree cover
- 40%
- Air quality
- 61
- Bueng Kum20.4 km
Thailand
- Tree cover
- 33%
- Air quality
- 59
- Mueang Nonthaburi22.6 km
Thailand
- Tree cover
- 31%
- Air quality
- 57
- Latkrabang24.2 km
Thailand
- Tree cover
- 37%
- Air quality
- 58
- Sai Mai31.6 km
Thailand
- Tree cover
- 18%
- Air quality
- 58
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Frequently asked
Questions about Phra Pradaeng
What is the air quality (AQI) in Phra Pradaeng right now?
The latest reading for Phra Pradaeng shows an AQI of 58 (Moderate), measured Nov 12, 01:00 local time by 22 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Prabadang Rehabiltation Center, 1.2 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Phra Pradaeng today?
At AQI 58 (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 Phra Pradaeng been like this week?
Over the last 7 days, the CAMS air-quality model put Phra Pradaeng's daily AQI at 68 on average, from 46 on Nov 10 to an hourly peak of 113 on Nov 7. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Phra Pradaeng lost since 2001?
Since 2001, the area within 10 km of Phra Pradaeng has lost about 179 hectares of forest (about 250 football pitches): 8% of the forest it had in 2000. Most of it (78%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Phra Pradaeng stayed about the same size, at about 3,720 hectares: new forest grew on about 270 hectares, and about 331 hectares were lost.
What is the tree count in Phra Pradaeng?
Phra Pradaeng has an estimated 63,477 trees across the 10.12 km² of land measured — 25.1% tree cover, 5 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Phra Pradaeng need?
Phra Pradaeng needs roughly 12,392 more trees to close a 5-point shortfall against its 30% tree-cover target — about 272.6 t of extra CO₂ absorbed per year once grown.
How are Phra Pradaeng's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Talat, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. 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 Talat; the tree count is an estimate derived from that cover.
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