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Dong Hoi Carbon Monoxide (CO) Level

Quang Binh Province, Vietnam

Carbon Monoxide (CO)

275ppb

Good

Last Updated: 2026-08-17 19:51:01 (Local Time)

Map

Dong Hoi

Good

08330

Moderate

16670

Poor

25000

Unhealthy

33330

Severe

41670

Hazardous

50000+

What is the Current CO Level?
Dong Hoi

The current CO level in Dong Hoi based on the average air quality level across the city is 275 ppb, making it healthy and safe for everyone.

12.6xBelow

The current CO level in Dong Hoi is 12.6x Below the recommended WHO guideline of 3490 ppb.

AQI Graph

Historic Air Quality Graph of Carbon Monoxide (CO)
Dong Hoi

24 Hours

Dong Hoi

CO (ppb)

16-08-2026Time17-08-2026

Time	Dong Hoi
8:01pm	171
8:31pm	172
9:01pm	170
9:31pm	168
10:01pm	171
10:31pm	155
11:01pm	172
11:31pm	174
12:01am	174
12:31am	167
1:01am	159
1:31am	177
2:01am	163
2:31am	163
3:01am	163
3:31am	161
4:01am	174
4:31am	172
5:01am	177
5:31am	161
6:01am	168
6:31am	173
7:01am	231
7:31am	260
8:01am	271
8:31am	245
9:01am	264
9:31am	264
10:01am	269
10:31am	262
11:01am	260
11:31am	230
12:01pm	243
12:31pm	226
1:01pm	159
1:31pm	173
2:01pm	167
2:31pm	162
3:01pm	168
3:31pm	191
4:01pm	190
4:31pm	185
5:01pm	179
5:31pm	202
6:01pm	204
6:31pm	188
7:01pm	294
7:31pm	278

155

Min. CO10:31pm

294

Max. CO7:01pm

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 Dong Hoi

Frequently Asked Questions About Air Quality

1. What is the current CO level in Dong Hoi?

The current real-time CO level in Dong Hoi is 275ppb (Good). This was last updated 2026-08-17 19:51:01 (Local Time).

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

The best CO level was 155 ppb (Good) at 10:31 PM, Aug 16, 2026 (Local Time) during the last 24 hours.

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

The worst CO level was 294 ppb (Good) at 7:01 PM (Local Time) during the last 24 hours.

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

The CO levels in Dong Hoi have been fluctuating throughout the last 24 hours. The levels have increased by highest 294 ppb at 7:01 PM (Local Time), lowest 155 ppb at 10:31 PM, Aug 16, 2026 (Local Time).

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

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