Live

Angus Lane Ozone (O₃) Level

Black Hawk, South Dakota, United States

Ozone (O₃)

29ppb

Good

Last Updated: 2026-08-19 02:21:01 (Local Time)

Map

Angus Lane

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Angus Lane

The current O₃ level at Angus Lane is 29 ppb making it healthy and safe for everyone in the area.

1.7xBelow

The current O₃ level in Angus Lane is 1.7x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Angus Lane

24 Hours

O₃

Angus Lane

O₃ (ppb)

18-08-2026Time19-08-2026

Time	Angus Lane
2:31am	30
3:01am	30
3:31am	32
4:01am	37
4:31am	38
5:01am	39
5:31am	36
6:01am	34
6:31am	37
7:01am	37
7:31am	37
8:01am	34
8:31am	33
9:01am	32
9:31am	34
10:01am	33
10:31am	31
11:01am	31
11:31am	29
12:01pm	37
12:31pm	39
1:01pm	35
1:31pm	36
2:01pm	43
2:31pm	42
3:01pm	42
3:31pm	40
4:01pm	47
4:31pm	49
5:01pm	47
5:31pm	49
6:01pm	49
6:31pm	49
7:01pm	45
7:31pm	49
8:01pm	46
8:31pm	49
9:01pm	45
9:31pm	46
10:01pm	46
10:31pm	43
11:01pm	43
11:31pm	46
12:01am	37
12:31am	36
1:01am	33
1:31am	34
2:01am	35

Min. O₃11:31am

Max. O₃4:31pm

Want air quality data?

Do you know that Ozone's total mass is 3 billion metric tons in the atmosphere? It looks like a lot but has only 0.00006% of the atmosphere. Besides, Ozone's peak concentration is 32 kilometres above the Earth's surface.

Uncovering the Sources of Ozone (O₃): Where Does It Come From?

Refineries

Industrial processes emit substances.

Power plants

Emissions from burning fossil fuels.

Paints evaporations

Vocs from paints react with sunlight.

Transportation

Diesel operated vehicles reacts and form ozone.

Short-Term O₃ Exposure Impacts

Chest pain

Discomfort or pain in the chest due to respiratory stress.

Breathing shortness

Difficulty in breathing or feeling of breathlessness.

Respiratory irritation

Inflammation and irritation of the respiratory tract.

Wheezing and coughing

Whistling sound and persistent cough.

Trigger asthma attacks

Aggravation of asthma symptoms.

Why you should care about Ozone (O₃)?

Know More About O₃ Sensor

Air Quality FAQs
at Angus Lane

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Angus Lane?

The current real-time O₃ level in Angus Lane is 29ppb (Good). This was last updated 2026-08-19 02:21:01 (Local Time).

2. When was the best O₃ level in Angus Lane in the last 24 hours?

The best O₃ level was 29 ppb (Good) at 11:31 AM, Aug 18, 2026 (Local Time) during the last 24 hours.

3. When was the worst O₃ level in Angus Lane in the last 24 hours?

The worst O₃ level was 49 ppb (Good) at 4:31 PM, Aug 18, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of O₃ levels in Angus Lane during last 24 hours?

The O₃ levels in Angus Lane have been fluctuating throughout the last 24 hours. The levels have increased by highest 49 ppb at 4:31 PM, Aug 18, 2026 (Local Time), lowest 29 ppb at 11:31 AM, Aug 18, 2026 (Local Time).

5. What actions are recommended as per the current O₃ level in Angus Lane?

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