City report · Heilongjiang, China
Honggang Air quality today
Air quality in Honggang currently reads AQI 203 (Very unhealthy): Health alert — everyone should avoid long outdoor exertion.
Air quality right now
AQI 203
Very unhealthy
- PM2.5, fine particles (µg/m³)
- 127.2
- tree cover
- 10.8%
- trees in this area
- 33.6K
- more trees needed
- 106K
Measured across a 2 km radius around Honggang District, Daqing, Heilongjiang, China (12.57 km²), from a satellite image of Sep 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Honggang · AQI 203 (Very unhealthy)
Honggang's tree count comes to 33,556 trees across 12.43 km² of land, 34 points below the 45% tree-cover level considered healthy for this area, so roughly 106,261 more trees would close the gap.
Air quality detail
Air quality in Honggang today: AQI 203, Very unhealthy
Main pollutant: PM2.5 · Observed Nov 11, 23:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Honggang District, Daqing (大庆红岗区), 200 m away
Health signal
Health alert — everyone should avoid long outdoor exertion.
PM2.5
127.2
PM10
150.0
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Helongjiang Environmental Protection Agency (黑龙江省空气质量实时发布平台)
- Outdoor exercise
- Everyone should avoid long or hard exercise outdoors; sensitive groups, all outdoor exertion
- Windows
- Keep them closed
- Mask
- Wear an N95 if you go out
- Air purifier
- Run one on high
Over the last 7 days, the CAMS air-quality model put Honggang's daily AQI at 80 on average, from 54 on Nov 9 to an hourly peak of 144 on Nov 10.
Where Honggang stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Honggang: Critically low
10.8% tree cover against a 45% healthy-neighborhood target, across 12.43 km² of land.
Trees in this area
33,556
Target trees
139,817
More trees needed
106,261
CO₂ if planted / yr
2,338 t
Deforestation · 2001–2025
How much forest has Honggang lost?
There was almost no forest around Honggang in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2017: satellite photo from July 2017 of a 5 × 5 km area in the city center.
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. Images: contains modified Copernicus Sentinel data. How it's measured
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Frequently asked
Questions about Honggang
What is the air quality (AQI) in Honggang right now?
The latest reading for Honggang shows an AQI of 203 (Very unhealthy), measured Nov 11, 23:00 local time by the Honggang District, Daqing (大庆红岗区) ground monitoring station, 200 m away, via OpenAQ. The main pollutant is PM2.5. Health alert — everyone should avoid long outdoor exertion.
Is it safe to exercise outside in Honggang today?
At AQI 203 (Very unhealthy): everyone should avoid long or hard exercise outdoors; sensitive groups, all outdoor exertion. Windows: keep them closed. Masks: wear an N95 if you go out. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Honggang been like this week?
Over the last 7 days, the CAMS air-quality model put Honggang's daily AQI at 80 on average, from 54 on Nov 9 to an hourly peak of 144 on Nov 10. On 2 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Honggang lost since 2001?
There was almost no forest around Honggang in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
What is the tree count in Honggang?
Honggang has an estimated 33,556 trees across the 12.43 km² of land measured — 10.8% tree cover, 34 percentage points short of the 45% tree-cover target set for this area.
How many more trees does Honggang need?
Honggang needs roughly 106,261 more trees to close a 34-point shortfall against its 45% tree-cover target — about 2,338 t of extra CO₂ absorbed per year once grown.
How are Honggang's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Honggang District, 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 Honggang District; the tree count is an estimate derived from that cover.
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