City report · Heilongjiang, China
Qiqihar Air quality today
Air quality in Qiqihar currently reads AQI 205 (Very unhealthy): Health alert — everyone should avoid long outdoor exertion.
Air quality right now
AQI 205
Very unhealthy
- PM2.5, fine particles (µg/m³)
- 129.1
- tree cover
- 12.6%
- trees in this area
- 39.3K
- more trees needed
- 101K
Measured across a 2 km radius around Longsha District, Qiqihar, 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.
Qiqihar · AQI 205 (Very unhealthy)
Qiqihar's tree count comes to 39,347 trees across 12.49 km² of land, 32 points below the 45% tree-cover level considered healthy for this area, so roughly 101,177 more trees would close the gap.
Air quality detail
Air quality in Qiqihar today: AQI 205, Very unhealthy
Main pollutant: PM2.5 · Observed Nov 11, 21:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · City Center Square, Qiqihaer (齐齐哈尔中心广场), 2.3 km away · median of 2 stations
Health signal
Health alert — everyone should avoid long outdoor exertion.
PM2.5
129.1
PM10
149.4
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 Qiqihar's daily AQI at 85 on average, from 64 on Nov 9 to an hourly peak of 141 on Nov 10.
Where Qiqihar stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Qiqihar: Critically low
12.6% tree cover against a 45% healthy-neighborhood target, across 12.49 km² of land.
Trees in this area
39,347
Target trees
140,524
More trees needed
101,177
CO₂ if planted / yr
2,226 t
Deforestation · 2001–2025
How much forest has Qiqihar lost?
There was very little forest around Qiqihar in 2000, about 21 hectares, and about 2 hectares of it has been lost 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 September 2017 of a 5 × 5 km area in the city center.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | under 1 ha | under 1 ha | under 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Qiqihar?
- Towns and roadscleared for good6.7% · under 1 ha
- Unknown causescause unknown87% · 1 ha
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
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 Qiqihar
What is the air quality (AQI) in Qiqihar right now?
The latest reading for Qiqihar shows an AQI of 205 (Very unhealthy), measured Nov 11, 21:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is City Center Square, Qiqihaer (齐齐哈尔中心广场), 2.3 km away). The main pollutant is PM2.5. Health alert — everyone should avoid long outdoor exertion.
Is it safe to exercise outside in Qiqihar today?
At AQI 205 (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 Qiqihar been like this week?
Over the last 7 days, the CAMS air-quality model put Qiqihar's daily AQI at 85 on average, from 64 on Nov 9 to an hourly peak of 141 on Nov 10. On 2 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Qiqihar lost since 2001?
There was very little forest around Qiqihar in 2000, about 21 hectares, and about 2 hectares of it has been lost 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 Qiqihar?
Qiqihar has an estimated 39,347 trees across the 12.49 km² of land measured — 12.6% tree cover, 32 percentage points short of the 45% tree-cover target set for this area.
How many more trees does Qiqihar need?
Qiqihar needs roughly 101,177 more trees to close a 32-point shortfall against its 45% tree-cover target — about 2,226 t of extra CO₂ absorbed per year once grown.
How are Qiqihar's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Longsha 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 Longsha District; the tree count is an estimate derived from that cover.
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