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Zichengzhen Carbon Monoxide (CO) Level

Heyuan, Guangdong Province, China

Carbon Monoxide (CO)

235ppb

Good

Last Updated: 2026-08-18 08:01 (Local Time)

Map

Zichengzhen

Good

08330

Moderate

16670

Poor

25000

Unhealthy

33330

Severe

41670

Hazardous

50000+

What is the Current CO Level?
Zichengzhen

The current CO level at Zichengzhen is 235 ppb making it healthy and safe for everyone in the area.

14.8xBelow

The current CO level in Zichengzhen is 14.8x Below the recommended WHO guideline of 3490 ppb.

AQI Graph

Historic Air Quality Graph of Carbon Monoxide (CO)
Zichengzhen

24 Hours

Zichengzhen

CO (ppb)

17-08-2026Time18-08-2026

Time	Zichengzhen
8:01am	378
8:31am	324
9:01am	341
9:31am	324
10:01am	321
10:31am	360
11:01am	351
11:31am	356
12:01pm	361
12:31pm	359
1:01pm	354
1:31pm	305
2:01pm	327
2:31pm	359
3:01pm	327
3:31pm	347
4:01pm	338
4:31pm	280
5:01pm	247
5:31pm	279
6:01pm	235
6:31pm	238
7:01pm	315
7:31pm	296
8:01pm	302
8:31pm	304
9:01pm	314
9:31pm	257
10:01pm	299
10:31pm	270
11:01pm	285
11:31pm	250
12:01am	263
12:31am	238
1:01am	222
1:31am	221
2:01am	251
2:31am	230
3:01am	220
3:31am	238
4:01am	259
4:31am	197
5:01am	197
5:31am	187
6:01am	218
6:31am	221
7:01am	217
7:31am	249
8:01am	235

187

Min. CO5:31am

378

Max. CO8:01am

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 Zichengzhen

Frequently Asked Questions About Air Quality

1. What is the current CO level in Zichengzhen?

The current real-time CO level in Zichengzhen is 235ppb (Good). This was last updated 2026-08-18 08:01 (Local Time).

2. When was the best CO level in Zichengzhen in the last 24 hours?

The best CO level was 187 ppb (Good) at 5:31 AM (Local Time) during the last 24 hours.

3. When was the worst CO level in Zichengzhen in the last 24 hours?

The worst CO level was 378 ppb (Good) at 8:01 AM, Aug 17, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of CO levels in Zichengzhen during last 24 hours?

The CO levels in Zichengzhen have been fluctuating throughout the last 24 hours. The levels have increased by highest 378 ppb at 8:01 AM, Aug 17, 2026 (Local Time), lowest 187 ppb at 5:31 AM (Local Time).

5. What actions are recommended as per the current CO level in Zichengzhen?

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