Lompoc, 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
Lompoc, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Lompoc, California, United States
7 AM18th Oct 2025
6 PM
6 AM19th Oct 2025
58AQI
18AQI
57AQI
47AQI
In the last 24 hours,
Lompoc's AQI reached its highest point of 58 at 4 PM during the Day, while the lowest point, 18, was recorded at 6 PM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Lompoc, California, United States
--°C/°C
18°C13/27°C
18°C14/23°C
20°C16/30°C
21°C16/32°C
20°C16/30°C
19°C17/29°C
18°C15/25°C
18°C15/24°C
20°C17/25°C
19°C15/25°C
19°C12/25°C
20°C16/25°C
18°C13/25°C
18°C12/25°C
17°C11/26°C
18°C13/26°C
17°C12/23°C
17°C14/23°C
17°C12/24°C
17°C10/25°C
17°C11/25°C
18°C13/26°C
19°C13/29°C
16°C10/23°C
14°C11/19°C
14°C8/22°C
16°C10/25°C
19°C10/31°C
17°C10/31°C
13°C7/27°C
43AQI
41AQI
47AQI
42AQI
2025 Days Vs Air Quality
Lompoc, California, United States
89%
261
11%
31
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% 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
Lompoc, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
34AQI
33AQI
27AQI
30AQI
29AQI
26AQI
38AQI
41AQI
36AQI
35AQI
29AQI
34AQI
32AQI
32AQI
33AQI
32AQI
36AQI
45AQI
39AQI
36AQI
41AQI
35AQI
36AQI
39AQI
29AQI
23AQI
29AQI
33AQI
33AQI
33AQI
27AQI
23AQI
24AQI
22AQI
22AQI
23AQI
26AQI
25AQI
28AQI
29AQI
36AQI
24AQI
24AQI
40AQI
41AQI
31AQI
37AQI
35AQI
30AQI
27AQI
28AQI
34AQI
38AQI
31AQI
33AQI
40AQI
41AQI
40AQI
34AQI
38AQI
30AQI
28AQI
22AQI
27AQI
33AQI
32AQI
28AQI
27AQI
28AQI
28AQI
22AQI
26AQI
45AQI
48AQI
32AQI
36AQI
28AQI
24AQI
35AQI
37AQI
37AQI
36AQI
30AQI
22AQI
21AQI
41AQI
38AQI
22AQI
17AQI
26AQI
32AQI
32AQI
34AQI
28AQI
28AQI
26AQI
24AQI
40AQI
36AQI
36AQI
54AQI
52AQI
32AQI
36AQI
36AQI
27AQI
29AQI
29AQI
44AQI
40AQI
36AQI
41AQI
46AQI
29AQI
18AQI
19AQI
36AQI
38AQI
24AQI
22AQI
27AQI
37AQI
49AQI
51AQI
50AQI
47AQI
41AQI
37AQI
53AQI
46AQI
33AQI
29AQI
41AQI
51AQI
46AQI
31AQI
41AQI
54AQI
48AQI
55AQI
54AQI
46AQI
41AQI
33AQI
30AQI
23AQI
27AQI
33AQI
28AQI
25AQI
25AQI
33AQI
34AQI
37AQI
28AQI
24AQI
30AQI
21AQI
21AQI
24AQI
41AQI
53AQI
55AQI
56AQI
53AQI
56AQI
52AQI
47AQI
49AQI
53AQI
58AQI
59AQI
49AQI
29AQI
25AQI
23AQI
25AQI
26AQI
26AQI
22AQI
25AQI
23AQI
27AQI
29AQI
48AQI
37AQI
29AQI
24AQI
21AQI
25AQI
26AQI
30AQI
24AQI
19AQI
18AQI
20AQI
18AQI
20AQI
23AQI
23AQI
18AQI
15AQI
15AQI
15AQI
16AQI
16AQI
16AQI
18AQI
24AQI
33AQI
27AQI
22AQI
30AQI
34AQI
56AQI
54AQI
47AQI
36AQI
33AQI
34AQI
33AQI
33AQI
36AQI
29AQI
22AQI
24AQI
21AQI
23AQI
36AQI
41AQI
48AQI
54AQI
60AQI
39AQI
33AQI
38AQI
44AQI
43AQI
41AQI
36AQI
39AQI
47AQI
51AQI
42AQI
37AQI
29AQI
28AQI
30AQI
31AQI
20AQI
21AQI
22AQI
33AQI
43AQI
48AQI
38AQI
35AQI
27AQI
24AQI
33AQI
42AQI
41AQI
37AQI
33AQI
33AQI
40AQI
29AQI
35AQI
39AQI
34AQI
35AQI
44AQI
31AQI
21AQI
47AQI
58AQI
58AQI
59AQI
53AQI
55AQI
52AQI
50AQI
53AQI
60AQI
59AQI
42AQI
41AQI
39AQI
43AQI
49AQI
44AQI
34AQI
31AQI
31AQI
34AQI
40AQI
38AQI
23AQI
38AQI
34AQI
48AQI
No. of days
202534AQI
Highest AQI recorded in
October48AQI
Lowest AQI recorded in
July23AQI
202427AQI
Highest AQI recorded in
May33AQI
Lowest AQI recorded in
July21AQI
202329AQI
Highest AQI recorded in
September40AQI
Lowest AQI recorded in
December24AQI
202230AQI
Highest AQI recorded in
May40AQI
Lowest AQI recorded in
December24AQI
202126AQI
Highest AQI recorded in
September32AQI
Lowest AQI recorded in
June20AQI
202032AQI
Highest AQI recorded in
September51AQI
Lowest AQI recorded in
April18AQI
Most & Least Polluted Years Over the Last 6 Years
Lompoc's annual 2025 AQI (34) shows an average percentage change of 20.1% (worsened AQI) compared to previous years: 2020 (32), 2021 (26), 2022 (30), 2023 (29), 2024 (27).