City report · Ninh Binh, Vietnam
Phủ Lý Air quality today
Air quality in Phủ Lý currently reads AQI 54 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 54
Moderate
- PM2.5, fine particles (µg/m³)
- 10.9
- tree cover
- 33.7%
- trees in this area
- 98.8K
- more trees needed
- 0
Measured across a 2 km radius around Phu Ly, Ninh Binh, Vietnam (12.57 km²), from a satellite image of Sep 4, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Phủ Lý · AQI 54 (Moderate)
Phủ Lý's tree count comes to 98,778 trees across 11.73 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Phủ Lý today: AQI 54, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 13:00 local time via Open-Meteo / CAMS, corrected with 9 ground-station cities within 145 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 9 station cities within 145 km, e.g. Duong Hao and Gia Lâm
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
10.9
PM10
20.5
NO₂
10.5
O₃
121.0
SO₂
25.1
CO
349.0
- 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 Phủ Lý's daily AQI at 70 on average, from 55 on Nov 9 to an hourly peak of 127 on Nov 5.
Where Phủ Lý stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Phủ Lý: Healthy tree cover
33.7% tree cover against a 30% healthy-neighborhood target, across 11.73 km² of land.
Trees in this area
98,778
Target trees
98,778
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Phủ Lý lost?
Since 2001, the area within 10 km of Phủ Lý has lost about 232 hectares of forest (about 330 football pitches): 7.8% of the forest it had in 2000. Most of it (69%) was deforestation, forest cleared for good, mainly for mining and energy.
2017: satellite photo from December 2017 of a 5 × 5 km area about 7 km west of the city center.
- Forest lost since 2001
- 232 haabout 330 football pitches
- Share of its forest
- 7.8%of what there was in 2000
- Cleared for good
- 161 hadeforestation: turned into farms, mines or towns
The worst year was 2017, when about 38 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 | 2 ha | under 1 ha | 3 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 8 ha | 3 ha | 11 ha |
| 2005 | 3 ha | 2 ha | 4 ha |
| 2006 | 2 ha | under 1 ha | 2 ha |
| 2007 | 3 ha | under 1 ha | 3 ha |
| 2008 | 11 ha | 2 ha | 13 ha |
| 2009 | 10 ha | 2 ha | 12 ha |
| 2010 | 4 ha | under 1 ha | 4 ha |
| 2011 | 13 ha | 2 ha | 15 ha |
| 2012 | 10 ha | 1 ha | 12 ha |
| 2013 | under 1 ha | under 1 ha | 2 ha |
| 2014 | 4 ha | 7 ha | 11 ha |
| 2015 | 4 ha | 1 ha | 5 ha |
| 2016 | 10 ha | 9 ha | 19 ha |
| 2017 | 24 ha | 13 ha | 38 ha |
| 2018 | 9 ha | 2 ha | 10 ha |
| 2019 | 11 ha | 9 ha | 20 ha |
| 2020 | 7 ha | 4 ha | 12 ha |
| 2021 | 5 ha | 4 ha | 9 ha |
| 2022 | 8 ha | under 1 ha | 8 ha |
| 2023 | 7 ha | 1 ha | 9 ha |
| 2024 | 3 ha | 1 ha | 4 ha |
| 2025 | 3 ha | 4 ha | 6 ha |
What is causing deforestation around Phủ Lý?
- Mining and energycleared for good67% · 155 ha
- Loggingcan grow back27% · 63 ha
- Farms, pasture and plantationscleared for good2.5% · 6 ha
Also: shifting farming, towns and roads, 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
- 4,670 ha
- Forest in 2020
- 4,480 ha
- Overall change
- −191 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Phủ Lý shrank from about 4,670 hectares to 4,480 hectares, a net loss of about 191 hectares (−4.1%). New forest grew on about 367 hectares, but 559 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
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Frequently asked
Questions about Phủ Lý
What is the air quality (AQI) in Phủ Lý right now?
The latest reading for Phủ Lý shows an AQI of 54 (Moderate), observed Nov 11, 13:00 local time via Open-Meteo / CAMS, corrected with 9 ground-station cities within 145 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 Phủ Lý today?
At AQI 54 (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 Phủ Lý been like this week?
Over the last 7 days, the CAMS air-quality model put Phủ Lý's daily AQI at 70 on average, from 55 on Nov 9 to an hourly peak of 127 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Phủ Lý lost since 2001?
Since 2001, the area within 10 km of Phủ Lý has lost about 232 hectares of forest (about 330 football pitches): 7.8% of the forest it had in 2000. Most of it (69%) was deforestation, forest cleared for good, mainly for mining and energy. Comparing satellite maps from 2000 and 2020, the forest around Phủ Lý shrank from about 4,670 hectares to 4,480 hectares, a net loss of about 191 hectares (−4.1%). New forest grew on about 367 hectares, but 559 hectares were lost.
What is the tree count in Phủ Lý?
Phủ Lý has an estimated 98,778 trees across the 11.73 km² of land measured — 33.7% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Phủ Lý need?
Phủ Lý has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Phủ Lý'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 Phu Ly; the tree count is an estimate derived from that cover.
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