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Shimla Carbon Monoxide (CO) Level

Himachal Pradesh, India

Carbon Monoxide (CO)

92ppb

Good

Last Updated: 2026-08-19 11:51:02 (Local Time)

Map

Shimla

Good

08330

Moderate

16670

Poor

25000

Unhealthy

33330

Severe

41670

Hazardous

50000+

What is the Current CO Level?
Shimla

The current CO level in Shimla based on the average air quality level across the city is 92 ppb, making it healthy and safe for everyone.

37.9xBelow

The current CO level in Shimla is 37.9x Below the recommended WHO guideline of 3490 ppb.

AQI Graph

Historic Air Quality Graph of Carbon Monoxide (CO)
Shimla

24 Hours

Shimla

CO (ppb)

18-08-2026Time19-08-2026

Time	Shimla
12:01pm	80
12:31pm	98
1:01pm	97
1:31pm	83
2:01pm	88
2:31pm	90
3:01pm	94
3:31pm	84
4:01pm	93
4:31pm	96
5:01pm	77
5:31pm	88
6:01pm	87
6:31pm	89
7:01pm	80
7:31pm	80
8:01pm	85
8:31pm	80
9:01pm	86
9:31pm	82
10:01pm	86
10:31pm	80
11:01pm	89
11:31pm	96
12:01am	90
12:31am	81
1:01am	98
1:31am	84
2:01am	80
2:31am	84
3:01am	81
3:31am	80
4:01am	84
4:31am	88
5:01am	93
5:31am	91
6:01am	83
6:31am	92
7:01am	92
7:31am	88
8:01am	99
8:31am	83
9:01am	84
9:31am	265
10:01am	285
10:31am	307
11:01am	98
11:31am	103

Min. CO5:01pm

307

Max. CO10:31am

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 Shimla

Frequently Asked Questions About Air Quality

1. What is the current CO level in Shimla?

The current real-time CO level in Shimla is 92ppb (Good). This was last updated 2026-08-19 11:51:02 (Local Time).

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

The best CO level was 77 ppb (Good) at 5:01 PM, Aug 18, 2026 (Local Time) during the last 24 hours.

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

The worst CO level was 307 ppb (Good) at 10:31 AM (Local Time) during the last 24 hours.

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

The CO levels in Shimla have been fluctuating throughout the last 24 hours. The levels have increased by highest 307 ppb at 10:31 AM (Local Time), lowest 77 ppb at 5:01 PM, Aug 18, 2026 (Local Time).

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

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