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Saint Jean sur Richelieu Carbon Monoxide (CO) Level

Quebec, Canada

Carbon Monoxide (CO)

184ppb

Good

Last Updated: 2026-08-03 09:51:02 (Local Time)

Map

Saint Jean sur Richelieu

Good

08330

Moderate

16670

Poor

25000

Unhealthy

33330

Severe

41670

Hazardous

50000+

What is the Current CO Level?
Saint Jean sur Richelieu

The current CO level in Saint Jean sur Richelieu based on the average air quality level across the city is 184 ppb, making it healthy and safe for everyone.

18.9xBelow

The current CO level in Saint Jean sur Richelieu is 18.9x Below the recommended WHO guideline of 3490 ppb.

AQI Graph

Historic Air Quality Graph of Carbon Monoxide (CO)
Saint Jean sur Richelieu

24 Hours

Saint Jean sur Richelieu

CO (ppb)

02-08-2026Time03-08-2026

Time	Saint Jean sur Richelieu
10:01am	196
10:31am	190
11:01am	177
11:31am	172
12:01pm	176
12:31pm	185
1:01pm	174
1:31pm	193
2:01pm	191
2:31pm	195
3:01pm	191
3:31pm	189
4:01pm	171
4:31pm	201
5:01pm	192
5:31pm	188
6:01pm	189
6:31pm	182
7:01pm	201
7:31pm	177
8:01pm	189
8:31pm	194
9:01pm	207
9:31pm	192
10:01pm	173
10:31pm	178
11:01pm	196
11:31pm	198
12:01am	192
12:31am	209
1:01am	191
1:31am	203
2:01am	201
2:31am	207
3:01am	191
3:31am	192
4:01am	196
4:31am	200
5:01am	201
5:31am	197
6:01am	208
6:31am	189
7:01am	98
7:31am	205
8:01am	207
8:31am	190
9:01am	180
9:31am	209

Min. CO7:01am

209

Max. CO12:31am

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 Saint Jean sur Richelieu

Frequently Asked Questions About Air Quality

1. What is the current CO level in Saint Jean sur Richelieu?

The current real-time CO level in Saint Jean sur Richelieu is 184ppb (Good). This was last updated 2026-08-03 09:51:02 (Local Time).

2. When was the best CO level in Saint Jean sur Richelieu in the last 24 hours?

The best CO level was 98 ppb (Good) at 7:01 AM (Local Time) during the last 24 hours.

3. When was the worst CO level in Saint Jean sur Richelieu in the last 24 hours?

The worst CO level was 209 ppb (Good) at 12:31 AM (Local Time) during the last 24 hours.

4. What is the current trend of CO levels in Saint Jean sur Richelieu during last 24 hours?

The CO levels in Saint Jean sur Richelieu have been fluctuating throughout the last 24 hours. The levels have increased by highest 209 ppb at 12:31 AM (Local Time), lowest 98 ppb at 7:01 AM (Local Time).

5. What actions are recommended as per the current CO level in Saint Jean sur Richelieu?

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