Question 1

1. What is the current O₃ level in Alamo Lake?

Accepted Answer

The current real-time O₃ level in Alamo Lake is 55ppb (Moderate). This was last updated 2026-07-13 19:11:01 (Local Time).

Question 2

2. When was the best O₃ level in Alamo Lake in the last 24 hours?

Accepted Answer

The best O₃ level was 35 ppb (Good) at 12:01 AM, Jul 13, 2026 (Local Time) during the last 24 hours.

Question 3

3. When was the worst O₃ level in Alamo Lake in the last 24 hours?

Accepted Answer

The worst O₃ level was 56 ppb (Moderate) at 3:31 PM, Jul 13, 2026 (Local Time) during the last 24 hours.

Question 4

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

Accepted Answer

The O₃ levels in Alamo Lake have been fluctuating throughout the last 24 hours. The levels have increased by highest 56 ppb at 3:31 PM, Jul 13, 2026 (Local Time), lowest 35 ppb at 12:01 AM, Jul 13, 2026 (Local Time).

Question 5

5. What actions are recommended as per the current O₃ level in Alamo Lake?

Accepted Answer

Current O₃ levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.

Time	Alamo Lake
7:31pm	43
8:01pm	44
8:31pm	45
9:01pm	47
9:31pm	43
10:01pm	43
10:31pm	43
11:01pm	41
11:31pm	41
12:01am	35
12:31am	39
1:01am	38
1:31am	38
2:01am	42
2:31am	43
3:01am	41
3:31am	41
4:01am	39
4:31am	37
5:01am	39
5:31am	38
6:01am	41
6:31am	42
7:01am	38
7:31am	36
8:01am	40
8:31am	37
9:01am	37
9:31am	39
10:01am	38
10:31am	41
11:01am	40
11:31am	41
12:01pm	45
12:31pm	46
1:01pm	48
1:31pm	50
2:01pm	52
2:31pm	47
3:01pm	49
3:31pm	56
4:01pm	54
4:31pm	53
5:01pm	53
5:31pm	53
6:01pm	51
6:31pm	51
7:01pm	54

Alamo Lake Ozone (O₃) Level

What is the Current O₃ Level?
Alamo Lake

Historic Air Quality Graph of Ozone (O₃)
Alamo Lake

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

Short-Term O₃ Exposure Impacts

Why you should care about Ozone (O₃)?

Air Quality FAQs
at Alamo Lake