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Aioi Carbon Monoxide (CO) Level

Hyogo, Japan

Carbon Monoxide (CO)

158ppb

Good

Last Updated: 2026-06-05 15:41:02 (Local Time)

Map

Aioi

Good

08330

Moderate

16670

Poor

25000

Unhealthy

33330

Severe

41670

Hazardous

50000+

What is the Current CO Level?
Aioi

The current CO level in Aioi based on the average air quality level across the city is 158 ppb, making it healthy and safe for everyone.

22.08xBelow

The current CO level in Aioi is 22.08x Below the recommended WHO guideline of 3490 ppb.

AQI Graph

Historic Air Quality Graph of Carbon Monoxide (CO)
Aioi

24 Hours

Aioi

CO (ppb)

04-06-2026Time05-06-2026

Time	Aioi
4:01pm	246
4:31pm	239
5:01pm	174
5:31pm	180
6:01pm	168
6:31pm	170
7:01pm	170
7:31pm	170
8:01pm	150
8:31pm	168
9:01pm	170
9:31pm	175
10:01pm	170
10:31pm	149
11:01pm	215
11:31pm	238
12:01am	250
12:31am	246
1:01am	226
1:31am	248
2:01am	218
2:31am	166
3:01am	154
3:31am	153
4:01am	155
4:31am	174
5:01am	172
5:31am	177
6:01am	150
6:31am	150
7:01am	158
7:31am	222
8:01am	236
8:31am	252
9:01am	247
9:31am	235
10:01am	256
10:31am	236
11:01am	260
11:31am	242
12:01pm	264
12:31pm	244
1:01pm	248
1:31pm	244
2:01pm	250
2:31pm	256
3:01pm	264
3:31pm	234

149

Min. CO10:31pm

264

Max. CO12:01pm

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 Aioi

Frequently Asked Questions About Air Quality

1. What is the current CO level in Aioi?

The current real-time CO level in Aioi is 158ppb (Good). This was last updated 2026-06-05 15:41:02 (Local Time).

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

The best CO level was 149 ppb (Good) at 10:31 PM, Jun 4, 2026 (Local Time) during the last 24 hours.

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

The worst CO level was 264 ppb (Good) at 12:01 PM (Local Time) during the last 24 hours.

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

The CO levels in Aioi have been fluctuating throughout the last 24 hours. The levels have increased by highest 264 ppb at 12:01 PM (Local Time), lowest 149 ppb at 10:31 PM, Jun 4, 2026 (Local Time).

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

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