Oso Flaco, Bromela, 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
Oso Flaco, Bromela, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (27th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 27th Oct - 28th Oct 2025
Oso Flaco, Bromela, California, United States
7 AM27th Oct 2025
6 PM
6 AM28th Oct 2025
47AQI
25AQI
79AQI
40AQI
In the last 24 hours,
Oso Flaco's AQI reached its highest point of 79 at 3 AM during the Night, while the lowest point, 25, was recorded at 10 AM during the Day between 27th Oct and 28th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Oso Flaco, Bromela, California, United States
19°C18/21°C
18°C17/20°C
18°C13/23°C
19°C15/24°C
17°C12/24°C
18°C13/24°C
18°C11/27°C
17°C12/23°C
16°C12/19°C
16°C13/19°C
17°C14/22°C
17°C12/24°C
18°C12/26°C
18°C12/27°C
18°C12/29°C
14°C9/20°C
13°C11/18°C
14°C9/20°C
16°C11/24°C
19°C13/28°C
16°C12/25°C
13°C7/20°C
15°C11/24°C
13°C12/15°C
16°C13/22°C
17°C12/27°C
16°C12/24°C
15°C12/22°C
17°C13/24°C
18°C11/27°C
--°C/°C
44AQI
36AQI
48AQI
39AQI
2025 Days Vs Air Quality
Oso Flaco, Bromela, California, United States
86%
185
14%
31
Total number of days with different AQI categories in last 301 days in 2025 (64 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 301 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
Oso Flaco, Bromela, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
20AQI
47AQI
42AQI
24AQI
18AQI
27AQI
40AQI
40AQI
38AQI
33AQI
30AQI
36AQI
26AQI
43AQI
37AQI
42AQI
56AQI
50AQI
30AQI
44AQI
41AQI
33AQI
34AQI
32AQI
36AQI
38AQI
36AQI
42AQI
47AQI
32AQI
20AQI
26AQI
41AQI
34AQI
23AQI
22AQI
30AQI
43AQI
54AQI
52AQI
51AQI
52AQI
42AQI
38AQI
54AQI
52AQI
32AQI
38AQI
44AQI
48AQI
43AQI
33AQI
39AQI
58AQI
55AQI
55AQI
58AQI
49AQI
39AQI
38AQI
41AQI
25AQI
32AQI
39AQI
27AQI
23AQI
25AQI
35AQI
33AQI
36AQI
25AQI
23AQI
30AQI
25AQI
22AQI
25AQI
44AQI
51AQI
51AQI
52AQI
48AQI
53AQI
53AQI
50AQI
50AQI
53AQI
55AQI
56AQI
46AQI
28AQI
26AQI
24AQI
28AQI
25AQI
25AQI
23AQI
26AQI
21AQI
27AQI
32AQI
53AQI
40AQI
28AQI
22AQI
24AQI
26AQI
27AQI
29AQI
25AQI
19AQI
18AQI
19AQI
19AQI
19AQI
22AQI
22AQI
18AQI
15AQI
15AQI
15AQI
16AQI
16AQI
17AQI
19AQI
26AQI
33AQI
28AQI
20AQI
33AQI
34AQI
60AQI
55AQI
40AQI
30AQI
28AQI
31AQI
29AQI
31AQI
33AQI
28AQI
21AQI
22AQI
23AQI
25AQI
37AQI
41AQI
47AQI
55AQI
59AQI
34AQI
28AQI
37AQI
41AQI
40AQI
39AQI
35AQI
41AQI
49AQI
51AQI
38AQI
34AQI
32AQI
25AQI
30AQI
32AQI
20AQI
24AQI
21AQI
36AQI
44AQI
46AQI
39AQI
28AQI
25AQI
23AQI
34AQI
42AQI
39AQI
36AQI
30AQI
33AQI
41AQI
29AQI
32AQI
36AQI
35AQI
44AQI
43AQI
31AQI
17AQI
50AQI
58AQI
56AQI
47AQI
47AQI
56AQI
47AQI
47AQI
55AQI
59AQI
57AQI
42AQI
39AQI
38AQI
45AQI
48AQI
31AQI
25AQI
40AQI
42AQI
42AQI
45AQI
21AQI
27AQI
42AQI
29AQI
36AQI
42AQI
37AQI
24AQI
36AQI
34AQI
43AQI
No. of days
202536AQI
Highest AQI recorded in
October43AQI
Lowest AQI recorded in
July24AQI
Most & Least Polluted Years Over the Last 1 Years
Oso Flaco's annual 2025 AQI (36) shows an average percentage change of NaN% (improved AQI) compared to previous years: .