Live

Cowee Avenue Ozone (O₃) Level

Gridley, California, United States

Ozone (O₃)

47ppb

Good

Last Updated: 2026-08-18 18:51:01 (Local Time)

Map

Cowee Avenue

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Cowee Avenue

The current O₃ level at Cowee Avenue is 47 ppb making it healthy and safe for everyone in the area.

1.08xBelow

The current O₃ level in Cowee Avenue is 1.08x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Cowee Avenue

24 Hours

O₃

Cowee Avenue

O₃ (ppb)

17-08-2026Time18-08-2026

Time	Cowee Avenue
7:01pm	50
7:31pm	50
8:01pm	47
8:31pm	46
9:01pm	44
9:31pm	38
10:01pm	38
10:31pm	41
11:01pm	41
11:31pm	37
12:01am	33
12:31am	33
1:01am	35
1:31am	29
2:01am	30
2:31am	29
3:01am	30
3:31am	29
4:01am	24
4:31am	24
5:01am	23
5:31am	21
6:01am	22
6:31am	22
7:01am	22
7:31am	21
8:01am	19
8:31am	21
9:01am	20
9:31am	20
10:01am	22
10:31am	21
11:01am	26
11:31am	25
12:01pm	30
12:31pm	32
1:01pm	37
1:31pm	36
2:01pm	38
2:31pm	41
3:01pm	43
3:31pm	46
4:01pm	46
4:31pm	46
5:01pm	45
5:31pm	49
6:01pm	47
6:31pm	52

Min. O₃8:01am

Max. O₃6:31pm

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 Cowee Avenue

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Cowee Avenue?

The current real-time O₃ level in Cowee Avenue is 47ppb (Good). This was last updated 2026-08-18 18:51:01 (Local Time).

2. When was the best O₃ level in Cowee Avenue in the last 24 hours?

The best O₃ level was 19 ppb (Good) at 8:01 AM, Aug 18, 2026 (Local Time) during the last 24 hours.

3. When was the worst O₃ level in Cowee Avenue in the last 24 hours?

The worst O₃ level was 52 ppb (Moderate) at 6:31 PM, Aug 18, 2026 (Local Time) during the last 24 hours.

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

The O₃ levels in Cowee Avenue have been fluctuating throughout the last 24 hours. The levels have increased by highest 52 ppb at 6:31 PM, Aug 18, 2026 (Local Time), lowest 19 ppb at 8:01 AM, Aug 18, 2026 (Local Time).

5. What actions are recommended as per the current O₃ level in Cowee Avenue?

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