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Asahikawa Carbon Monoxide (CO) Level

Hokkaido, Japan

Carbon Monoxide (CO)

26ppb

Good

Last Updated: 2026-08-09 06:11:02 (Local Time)

Map

Asahikawa

Good

08330

Moderate

16670

Poor

25000

Unhealthy

33330

Severe

41670

Hazardous

50000+

What is the Current CO Level?
Asahikawa

The current CO level in Asahikawa based on the average air quality level across the city is 26 ppb, making it healthy and safe for everyone.

134.2xBelow

The current CO level in Asahikawa is 134.2x Below the recommended WHO guideline of 3490 ppb.

AQI Graph

Historic Air Quality Graph of Carbon Monoxide (CO)
Asahikawa

24 Hours

Asahikawa

CO (ppb)

08-08-2026Time09-08-2026

Time	Asahikawa
6:31am	54
7:01am	53
7:31am	53
8:01am	51
8:31am	46
9:01am	49
9:31am	70
10:01am	71
10:31am	66
11:01am	67
11:31am	69
12:01pm	76
12:31pm	71
1:01pm	72
1:31pm	75
2:01pm	80
2:31pm	74
3:01pm	78
3:31pm	80
4:01pm	74
4:31pm	74
5:01pm	78
5:31pm	84
6:01pm	84
6:31pm	85
7:01pm	84
7:31pm	59
8:01pm	57
8:31pm	74
9:01pm	84
9:31pm	52
10:01pm	53
10:31pm	52
11:01pm	44
11:31pm	46
12:01am	44
12:31am	43
1:01am	38
1:31am	38
2:01am	38
2:31am	36
3:01am	34
3:31am	30
4:01am	32
4:31am	28
5:01am	26
5:31am	24
6:01am	26

Min. CO5:31am

Max. CO6:31pm

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 Asahikawa

Frequently Asked Questions About Air Quality

1. What is the current CO level in Asahikawa?

The current real-time CO level in Asahikawa is 26ppb (Good). This was last updated 2026-08-09 06:11:02 (Local Time).

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

The best CO level was 24 ppb (Good) at 5:31 AM, Aug 9, 2026 (Local Time) during the last 24 hours.

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

The worst CO level was 85 ppb (Good) at 6:31 PM (Local Time) during the last 24 hours.

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

The CO levels in Asahikawa have been fluctuating throughout the last 24 hours. The levels have increased by highest 85 ppb at 6:31 PM (Local Time), lowest 24 ppb at 5:31 AM, Aug 9, 2026 (Local Time).

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

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