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Katsunaicha Carbon Monoxide (CO) Level

Otaru, Hokkaido, Japan

Carbon Monoxide (CO)

475ppb

Good

Last Updated: 2026-08-17 20:31 (Local Time)

Map

Katsunaicha

Good

08330

Moderate

16670

Poor

25000

Unhealthy

33330

Severe

41670

Hazardous

50000+

What is the Current CO Level?
Katsunaicha

The current CO level at Katsunaicha is 475 ppb making it healthy and safe for everyone in the area.

7.3xBelow

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

AQI Graph

Historic Air Quality Graph of Carbon Monoxide (CO)
Katsunaicha

24 Hours

Katsunaicha

CO (ppb)

16-08-2026Time17-08-2026

Time	Katsunaicha
8:31pm	423
9:01pm	483
9:31pm	481
10:01pm	427
10:31pm	433
11:01pm	411
11:31pm	429
12:01am	433
12:31am	445
1:01am	465
1:31am	444
2:01am	421
2:31am	453
3:01am	422
3:31am	436
4:01am	461
4:31am	410
5:01am	448
5:31am	424
6:01am	478
6:31am	442
7:01am	479
7:31am	442
8:01am	463
8:31am	416
9:01am	444
9:31am	471
10:01am	476
10:31am	445
11:01am	407
11:31am	473
12:01pm	416
12:31pm	473
1:01pm	437
1:31pm	430
2:01pm	411
2:31pm	434
3:01pm	429
3:31pm	411
4:01pm	456
4:31pm	425
5:01pm	463
5:31pm	434
6:01pm	439
6:31pm	436
7:01pm	448
7:31pm	435
8:01pm	454
8:31pm	475

407

Min. CO11:01am

483

Max. CO9:01pm

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 Katsunaicha

Frequently Asked Questions About Air Quality

1. What is the current CO level in Katsunaicha?

The current real-time CO level in Katsunaicha is 475ppb (Good). This was last updated 2026-08-17 20:31 (Local Time).

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

The best CO level was 407 ppb (Good) at 11:01 AM (Local Time) during the last 24 hours.

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

The worst CO level was 483 ppb (Good) at 9:01 PM, Aug 16, 2026 (Local Time) during the last 24 hours.

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

The CO levels in Katsunaicha have been fluctuating throughout the last 24 hours. The levels have increased by highest 483 ppb at 9:01 PM, Aug 16, 2026 (Local Time), lowest 407 ppb at 11:01 AM (Local Time).

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

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