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Changzhou Carbon Monoxide (CO) Level

Jiangsu, China

Carbon Monoxide (CO)

476ppb

Good

Last Updated: 2026-06-04 07:41:01 (Local Time)

Map

Changzhou

Good

08330

Moderate

16670

Poor

25000

Unhealthy

33330

Severe

41670

Hazardous

50000+

What is the Current CO Level?
Changzhou

The current CO level in Changzhou based on the average air quality level across the city is 476 ppb, making it healthy and safe for everyone.

7.3xBelow

The current CO level in Changzhou is 7.3x Below the recommended WHO guideline of 3490 ppb.

AQI Graph

Historic Air Quality Graph of Carbon Monoxide (CO)
Changzhou

24 Hours

Changzhou

CO (ppb)

03-06-2026Time04-06-2026

Time	Changzhou
8:01am	534
8:31am	575
9:01am	675
9:31am	695
10:01am	630
10:31am	644
11:01am	473
11:31am	477
12:01pm	457
12:31pm	463
1:01pm	390
1:31pm	405
2:01pm	426
2:31pm	432
3:01pm	414
3:31pm	429
4:01pm	385
4:31pm	369
5:01pm	290
5:31pm	290
6:01pm	272
6:31pm	290
7:01pm	301
7:31pm	293
8:01pm	316
8:31pm	308
9:01pm	313
9:31pm	318
10:01pm	342
10:31pm	347
11:01pm	416
11:31pm	401
12:01am	376
12:31am	386
1:01am	379
1:31am	395
2:01am	360
2:31am	372
3:01am	341
3:31am	323
4:01am	326
4:31am	322
5:01am	409
5:31am	426
6:01am	396
6:31am	397
7:01am	492
7:31am	493

272

Min. CO6:01pm

695

Max. CO9:31am

Want air quality data?

Do you know CO emissions in the atmosphere can affect the greenhouse gas level? It is because CO emission causes global and climate changes in the atmosphere by increasing or changing the sea and land temperatures. It makes changes in ecosystems and storm activity and affects other weather events..

Uncovering the Sources of Carbon Monoxide (CO): Where Does It Come From?

Biomass burning

Burning wood, crop residues, and organic materials.

Power plants

Emissions from burning fossil fuels in power plants.

Fireplaces

Emissions from burning wood or coal in fireplaces.

Road traffic

Overall contributions from vehicles exhaust.

Vehicles engines

Exhaust emissions from cars and trucks.

Short-Term CO Exposure Impacts

Fatigue

Feeling tiredness or lack of energy.

Chest pain

Discomfort or pain in the chest area.

Confusion

Frequent difficulty in thinking clearly.

Flu-like symptoms

Symptoms like headache and nausea.

Weakness

Frequent weakness or lack of strength.

Why you should care about Carbon Monoxide (CO)?

Know More About CO Sensor

Air Quality FAQs
at Changzhou

Frequently Asked Questions About Air Quality

What is the current CO level in Changzhou?

The current real-time CO level in Changzhou is 476ppb (Good). This was last updated 2026-06-04 07:41:01 (Local Time).

When was the best CO level in Changzhou in the last 24 hours?

The best CO level was 272 ppb (Good) at 6:01 PM (Local Time) during the last 24 hours.

When was the worst CO level in Changzhou in the last 24 hours?

The worst CO level was 695 ppb (Good) at 9:31 AM (Local Time) during the last 24 hours.

What is the current trend of CO levels in Changzhou during last 24 hours?

The CO levels in Changzhou have been fluctuating throughout the last 24 hours. The levels have increased by highest 695 ppb at 9:31 AM (Local Time), lowest 272 ppb at 6:01 PM (Local Time).

What actions are recommended as per the current CO level in Changzhou?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.