City report · Rajasthan, India
Sīkar Air quality today
Air quality in Sīkar currently reads AQI 433 (Hazardous): Emergency conditions — avoid outdoor activity.
Air quality right now
AQI 433
Hazardous
- PM2.5, fine particles (µg/m³)
- 136.0
- tree cover
- 11.0%
- trees in this area
- 34.6K
- more trees needed
- 107K
Measured across a 2 km radius around Subhash Chowk, Sikar, Rajasthan 332001, India (12.57 km²), from a satellite image of Oct 28, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Sīkar · AQI 433 (Hazardous)
Sīkar's tree count comes to 34,558 trees across 12.57 km², 34 points below the 45% tree-cover level considered healthy for this area, so roughly 106,814 more trees would close the gap.
Air quality detail
Air quality in Sīkar today: AQI 433, Hazardous
Main pollutant: PM10 · Observed Nov 11, 20:30 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Radhakishan Pura, Sikar - RSPCB, 1.4 km away
Health signal
Emergency conditions — avoid outdoor activity.
PM2.5
136.0
PM10
544.0
NO₂
162.2
O₃
11.0
SO₂
22.3
CO
3.3
Data: OpenAQ · CPCB, Central Pollution Control Board, Government of India (GODL-India)
- Outdoor exercise
- Everyone should avoid all outdoor exertion
- Windows
- Keep them closed and seal gaps
- Mask
- Wear an N95 if you must go out
- Air purifier
- Run one on high
Over the last 7 days, the CAMS air-quality model put Sīkar's daily AQI at 143 on average, from 112 on Nov 8 to an hourly peak of 189 on Nov 6.
This is the US EPA AQI. How it differs from India's AQI (CPCB) · The full guide
Where Sīkar stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Sīkar: Critically low
11.0% tree cover against a 45% healthy-neighborhood target, across 12.57 km².
Trees in this area
34,558
Target trees
141,372
More trees needed
106,814
CO₂ if planted / yr
2,350 t
Deforestation · 2001–2025
How much forest has Sīkar lost?
There was almost no forest around Sīkar 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 March 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
In the same region
Measured cities near Sīkar
Same 2 km radius, same index — so they compare directly.
- Jhunjhunūn62.5 km
India
- Tree cover
- 13%
- Air quality
- 536
- Sūjāngarh67.0 km
India
- Tree cover
- 6%
- Air quality
- 221
- Chūru78.8 km
India
- Tree cover
- 9%
- Air quality
- 275
- Jaipur100.1 km
India
- Tree cover
- 20%
- Air quality
- 163
- Kishangarh117.1 km
India
- Tree cover
- 9%
- Air quality
- 160
- Ajmer138.2 km
India
- Tree cover
- 31%
- Air quality
- 160
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Frequently asked
Questions about Sīkar
What is the air quality (AQI) in Sīkar right now?
The latest reading for Sīkar shows an AQI of 433 (Hazardous), measured Nov 11, 20:30 local time by the Radhakishan Pura, Sikar - RSPCB ground monitoring station, 1.4 km away, via OpenAQ. The main pollutant is PM10. Emergency conditions — avoid outdoor activity.
Is it safe to exercise outside in Sīkar today?
At AQI 433 (Hazardous): everyone should avoid all outdoor exertion. Windows: keep them closed and seal gaps. Masks: wear an N95 if you must go out. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Sīkar been like this week?
Over the last 7 days, the CAMS air-quality model put Sīkar's daily AQI at 143 on average, from 112 on Nov 8 to an hourly peak of 189 on Nov 6. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Sīkar's AQI the same as India's AQI (CPCB)?
No. Airleaf shows the US EPA Air Quality Index (AQI), the scale used by IQAir and most air-quality apps. India's Central Pollution Control Board (CPCB) publishes the National Air Quality Index on its own scale: 0–50 good, 51–100 satisfactory, 101–200 moderate, 201–300 poor, 301–400 very poor and 401–500 severe. The two scales don't line up. At moderate fine-particle levels the US scale reads higher: 55 µg/m³ of PM2.5 is 149 on the US AQI but about 92, "satisfactory", on India's. In heavy smog India's reads higher: 100 µg/m³ is 182 on the US AQI and about 232, "poor", on India's. CPCB also averages particles over 24 hours, so its figure moves more slowly than an hourly reading.
How much forest has the area around Sīkar lost since 2001?
There was almost no forest around Sīkar 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 Sīkar?
Sīkar has an estimated 34,558 trees across the 12.57 km² measured — 11.0% tree cover, 34 percentage points short of the 45% tree-cover target set for this area.
How many more trees does Sīkar need?
Sīkar needs roughly 106,814 more trees to close a 34-point shortfall against its 45% tree-cover target — about 2,350 t of extra CO₂ absorbed per year once grown.
How are Sīkar's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Subhash Chowk, 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 Subhash Chowk; the tree count is an estimate derived from that cover.
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