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Ann Arbor Carbon Monoxide (CO) Level

Dover, Michigan, United States

Carbon Monoxide (CO)

266ppb

Good

Last Updated: 2026-08-09 14:01 (Local Time)

Map

Ann Arbor

Good

08330

Moderate

16670

Poor

25000

Unhealthy

33330

Severe

41670

Hazardous

50000+

What is the Current CO Level?
Ann Arbor

The current CO level at Ann Arbor is 266 ppb making it healthy and safe for everyone in the area.

13.1xBelow

The current CO level in Ann Arbor is 13.1x Below the recommended WHO guideline of 3490 ppb.

AQI Graph

Historic Air Quality Graph of Carbon Monoxide (CO)
Ann Arbor

24 Hours

Ann Arbor

CO (ppb)

08-08-2026Time09-08-2026

Time	Ann Arbor
2:01pm	199
2:31pm	195
3:01pm	206
3:31pm	192
4:01pm	199
4:31pm	188
5:01pm	186
5:31pm	191
6:01pm	188
6:31pm	188
7:01pm	203
7:31pm	206
8:01pm	200
8:31pm	187
9:01pm	180
9:31pm	175
10:01pm	299
10:31pm	199
11:01pm	288
11:31pm	275
12:01am	279
12:31am	288
1:01am	260
1:31am	291
2:01am	280
2:31am	187
3:01am	184
3:31am	177
4:01am	196
4:31am	179
5:01am	205
5:31am	180
6:01am	180
6:31am	196
7:01am	186
7:31am	180
8:01am	203
8:31am	262
9:01am	297
9:31am	276
10:01am	298
10:31am	260
11:01am	280
11:31am	285
12:01pm	292
12:31pm	265
1:01pm	278
1:31pm	274
2:01pm	266

175

Min. CO9:31pm

299

Max. CO10:01pm

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 Ann Arbor

Frequently Asked Questions About Air Quality

1. What is the current CO level in Ann Arbor?

The current real-time CO level in Ann Arbor is 266ppb (Good). This was last updated 2026-08-09 14:01 (Local Time).

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

The best CO level was 175 ppb (Good) at 9:31 PM, Aug 8, 2026 (Local Time) during the last 24 hours.

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

The worst CO level was 299 ppb (Good) at 10:01 PM, Aug 8, 2026 (Local Time) during the last 24 hours.

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

The CO levels in Ann Arbor have been fluctuating throughout the last 24 hours. The levels have increased by highest 299 ppb at 10:01 PM, Aug 8, 2026 (Local Time), lowest 175 ppb at 9:31 PM, Aug 8, 2026 (Local Time).

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

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