Bakersfield, 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
Bakersfield, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (20th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 76 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Oct - 21st Oct 2025
Bakersfield, California, United States
6 AM20th Oct 2025
6 PM
5 AM21st Oct 2025
77AQI
65AQI
90AQI
65AQI
In the last 24 hours,
Bakersfield's AQI reached its highest point of 90 at 1 AM during the Night, while the lowest point, 65, was recorded at 7 PM during the Night between 20th Oct and 21st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Bakersfield, California, United States
27°C20/37°C
28°C20/38°C
30°C21/42°C
28°C23/34°C
26°C19/34°C
27°C21/35°C
28°C21/38°C
25°C20/33°C
23°C17/32°C
24°C20/31°C
23°C16/32°C
24°C17/33°C
21°C16/27°C
19°C12/28°C
22°C13/32°C
23°C14/35°C
25°C16/37°C
24°C16/35°C
20°C12/30°C
20°C12/30°C
18°C13/24°C
18°C10/27°C
18°C10/26°C
14°C12/16°C
14°C9/20°C
15°C9/22°C
18°C10/28°C
20°C11/32°C
21°C10/32°C
21°C12/31°C
--°C/°C
55AQI
55AQI
61AQI
50AQI
2025 Days Vs Air Quality
Bakersfield, California, United States
63%
185
37%
108
Total number of days with different AQI categories in last 294 days in 2025 (71 days remaining)
Under WHO’s Safe Air Quality Limits: 63%
Health Risk Level:
Moderate
In 2025, 63% of 294 days were within WHO’s safe air quality limits, and 37% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Bakersfield, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
83AQI
66AQI
85AQI
38AQI
50AQI
54AQI
59AQI
60AQI
67AQI
61AQI
67AQI
57AQI
45AQI
53AQI
57AQI
55AQI
59AQI
71AQI
85AQI
81AQI
76AQI
75AQI
76AQI
69AQI
60AQI
38AQI
30AQI
45AQI
50AQI
60AQI
66AQI
63AQI
53AQI
47AQI
28AQI
28AQI
32AQI
26AQI
27AQI
42AQI
36AQI
40AQI
33AQI
30AQI
25AQI
31AQI
42AQI
43AQI
31AQI
45AQI
38AQI
45AQI
50AQI
50AQI
49AQI
40AQI
49AQI
52AQI
36AQI
45AQI
34AQI
24AQI
33AQI
35AQI
26AQI
29AQI
37AQI
42AQI
33AQI
32AQI
33AQI
23AQI
24AQI
24AQI
38AQI
29AQI
18AQI
26AQI
21AQI
27AQI
31AQI
33AQI
46AQI
53AQI
28AQI
24AQI
28AQI
23AQI
27AQI
21AQI
18AQI
19AQI
25AQI
32AQI
28AQI
29AQI
36AQI
31AQI
44AQI
49AQI
46AQI
45AQI
46AQI
50AQI
44AQI
41AQI
33AQI
35AQI
41AQI
39AQI
46AQI
44AQI
35AQI
41AQI
34AQI
20AQI
19AQI
29AQI
48AQI
49AQI
44AQI
46AQI
35AQI
31AQI
40AQI
45AQI
44AQI
52AQI
54AQI
53AQI
39AQI
35AQI
26AQI
33AQI
40AQI
45AQI
41AQI
31AQI
46AQI
45AQI
49AQI
53AQI
44AQI
44AQI
42AQI
39AQI
43AQI
50AQI
46AQI
55AQI
58AQI
45AQI
42AQI
43AQI
55AQI
52AQI
45AQI
51AQI
46AQI
51AQI
55AQI
52AQI
52AQI
49AQI
50AQI
48AQI
52AQI
51AQI
54AQI
54AQI
52AQI
49AQI
46AQI
44AQI
47AQI
45AQI
51AQI
51AQI
47AQI
42AQI
39AQI
40AQI
43AQI
52AQI
47AQI
58AQI
50AQI
49AQI
44AQI
41AQI
49AQI
55AQI
55AQI
50AQI
55AQI
52AQI
42AQI
37AQI
41AQI
46AQI
47AQI
34AQI
28AQI
27AQI
27AQI
25AQI
27AQI
29AQI
35AQI
41AQI
43AQI
44AQI
48AQI
45AQI
53AQI
52AQI
50AQI
50AQI
53AQI
55AQI
60AQI
53AQI
59AQI
56AQI
53AQI
55AQI
55AQI
42AQI
28AQI
40AQI
49AQI
50AQI
56AQI
61AQI
63AQI
64AQI
56AQI
53AQI
57AQI
58AQI
58AQI
56AQI
57AQI
56AQI
58AQI
55AQI
60AQI
60AQI
57AQI
48AQI
46AQI
36AQI
31AQI
37AQI
48AQI
55AQI
59AQI
54AQI
59AQI
53AQI
52AQI
47AQI
56AQI
55AQI
51AQI
51AQI
47AQI
53AQI
50AQI
48AQI
30AQI
39AQI
35AQI
38AQI
61AQI
45AQI
46AQI
52AQI
61AQI
69AQI
76AQI
57AQI
69AQI
60AQI
61AQI
55AQI
38AQI
29AQI
53AQI
85AQI
100AQI
74AQI
76AQI
61AQI
40AQI
31AQI
37AQI
43AQI
49AQI
42AQI
53AQI
50AQI
60AQI
No. of days
202546AQI
Highest AQI recorded in
January61AQI
Lowest AQI recorded in
March31AQI
202450AQI
Highest AQI recorded in
December71AQI
Lowest AQI recorded in
March31AQI
202347AQI
Highest AQI recorded in
December74AQI
Lowest AQI recorded in
March29AQI
202256AQI
Highest AQI recorded in
January80AQI
Lowest AQI recorded in
April38AQI
202160AQI
Highest AQI recorded in
November83AQI
Lowest AQI recorded in
March40AQI
202065AQI
Highest AQI recorded in
September97AQI
Lowest AQI recorded in
March30AQI
Most & Least Polluted Years Over the Last 6 Years
Bakersfield's annual 2025 AQI (46) shows an average percentage change of -15.9% (improved AQI) compared to previous years: 2020 (65), 2021 (60), 2022 (56), 2023 (47), 2024 (50).