Berkeley Aquatic Park, Berkeley, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Berkeley Aquatic Park, Berkeley, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
Berkeley Aquatic Park, Berkeley, California, United States
7 AM19th Oct 2025
6 PM
6 AM20th Oct 2025
66AQI
56AQI
67AQI
38AQI
In the last 24 hours,
Berkeley Aquatic Park's AQI reached its highest point of 67 at 7 PM during the Night, while the lowest point, 38, was recorded at 6 AM during the Night between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Berkeley Aquatic Park, Berkeley, California, United States
17°C14/21°C
18°C15/26°C
19°C13/26°C
24°C18/33°C
20°C17/29°C
18°C15/20°C
18°C14/25°C
16°C14/20°C
17°C15/20°C
19°C17/23°C
19°C17/23°C
19°C17/22°C
17°C15/20°C
17°C14/21°C
17°C13/22°C
17°C12/25°C
22°C15/32°C
20°C16/29°C
17°C14/21°C
17°C16/20°C
16°C12/22°C
16°C12/23°C
17°C12/22°C
13°C10/17°C
13°C10/17°C
14°C12/17°C
14°C10/19°C
16°C11/23°C
20°C14/29°C
15°C13/20°C
--°C/°C
51AQI
43AQI
49AQI
45AQI
2025 Days Vs Air Quality
Berkeley Aquatic Park, Berkeley, California, United States
87%
254
13%
38
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 293 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Berkeley Aquatic Park, Berkeley, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
58AQI
49AQI
50AQI
43AQI
47AQI
56AQI
29AQI
32AQI
48AQI
49AQI
32AQI
30AQI
37AQI
44AQI
58AQI
65AQI
50AQI
51AQI
58AQI
43AQI
49AQI
54AQI
51AQI
59AQI
54AQI
56AQI
50AQI
50AQI
49AQI
48AQI
47AQI
39AQI
30AQI
33AQI
25AQI
30AQI
28AQI
27AQI
28AQI
31AQI
33AQI
34AQI
28AQI
28AQI
36AQI
37AQI
41AQI
26AQI
33AQI
34AQI
31AQI
36AQI
42AQI
38AQI
31AQI
31AQI
45AQI
43AQI
56AQI
37AQI
30AQI
26AQI
31AQI
34AQI
29AQI
41AQI
40AQI
44AQI
37AQI
37AQI
31AQI
24AQI
28AQI
58AQI
41AQI
23AQI
24AQI
29AQI
21AQI
33AQI
28AQI
36AQI
27AQI
42AQI
30AQI
26AQI
34AQI
25AQI
26AQI
33AQI
30AQI
24AQI
33AQI
32AQI
37AQI
28AQI
20AQI
24AQI
31AQI
28AQI
28AQI
44AQI
49AQI
42AQI
40AQI
40AQI
27AQI
38AQI
40AQI
38AQI
43AQI
42AQI
51AQI
49AQI
43AQI
40AQI
44AQI
45AQI
48AQI
52AQI
46AQI
36AQI
30AQI
44AQI
38AQI
52AQI
49AQI
35AQI
46AQI
43AQI
34AQI
28AQI
29AQI
44AQI
45AQI
31AQI
23AQI
24AQI
33AQI
34AQI
46AQI
38AQI
33AQI
41AQI
31AQI
22AQI
40AQI
32AQI
29AQI
41AQI
53AQI
55AQI
47AQI
40AQI
53AQI
39AQI
28AQI
31AQI
21AQI
21AQI
25AQI
44AQI
51AQI
49AQI
50AQI
52AQI
49AQI
44AQI
41AQI
50AQI
51AQI
49AQI
50AQI
53AQI
36AQI
29AQI
32AQI
38AQI
38AQI
34AQI
27AQI
25AQI
24AQI
38AQI
36AQI
39AQI
34AQI
29AQI
24AQI
21AQI
25AQI
32AQI
34AQI
30AQI
24AQI
20AQI
22AQI
19AQI
20AQI
22AQI
22AQI
25AQI
18AQI
17AQI
17AQI
16AQI
16AQI
16AQI
21AQI
26AQI
29AQI
24AQI
22AQI
22AQI
39AQI
41AQI
35AQI
39AQI
32AQI
38AQI
37AQI
32AQI
28AQI
29AQI
22AQI
21AQI
41AQI
19AQI
17AQI
20AQI
27AQI
32AQI
47AQI
49AQI
32AQI
25AQI
29AQI
35AQI
43AQI
36AQI
26AQI
32AQI
42AQI
34AQI
42AQI
29AQI
33AQI
24AQI
26AQI
26AQI
21AQI
17AQI
18AQI
34AQI
31AQI
31AQI
22AQI
24AQI
34AQI
28AQI
35AQI
38AQI
40AQI
34AQI
36AQI
41AQI
46AQI
47AQI
59AQI
62AQI
60AQI
31AQI
18AQI
35AQI
37AQI
48AQI
59AQI
60AQI
55AQI
56AQI
57AQI
54AQI
51AQI
47AQI
48AQI
54AQI
36AQI
47AQI
51AQI
61AQI
62AQI
63AQI
48AQI
34AQI
32AQI
38AQI
37AQI
41AQI
25AQI
32AQI
34AQI
52AQI
No. of days
202537AQI
Highest AQI recorded in
October52AQI
Lowest AQI recorded in
July25AQI
202438AQI
Highest AQI recorded in
December55AQI
Lowest AQI recorded in
March11AQI
202332AQI
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
September17AQI
202220AQI
Highest AQI recorded in
November21AQI
Lowest AQI recorded in
December19AQI
202142AQI
Highest AQI recorded in
May51AQI
Lowest AQI recorded in
February34AQI
202044AQI
Highest AQI recorded in
September72AQI
Lowest AQI recorded in
March27AQI
Most & Least Polluted Years Over the Last 6 Years
Berkeley Aquatic Park's annual 2025 AQI (37) shows an average percentage change of 13.7% (worsened AQI) compared to previous years: 2020 (44), 2021 (42), 2022 (20), 2023 (32), 2024 (38).