Tijuana, Baja California, Mexico 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
Tijuana, Baja California, Mexico
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 40 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
Tijuana, Baja California, Mexico
6 AM2nd Oct 2025
6 PM
5 AM3rd Oct 2025
83AQI
32AQI
34AQI
10AQI
In the last 24 hours,
Tijuana's AQI reached its highest point of 83 at 11 AM during the Day, while the lowest point, 10, was recorded at 2 AM during the Night between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Tijuana, Baja California, Mexico
25°C22/31°C
24°C21/29°C
22°C19/26°C
23°C19/28°C
24°C20/30°C
24°C20/29°C
21°C19/25°C
21°C19/24°C
21°C18/25°C
20°C18/24°C
21°C18/25°C
21°C18/25°C
23°C18/28°C
26°C21/32°C
24°C22/26°C
24°C22/28°C
23°C20/28°C
22°C20/27°C
22°C17/28°C
22°C18/31°C
22°C17/31°C
21°C18/29°C
20°C17/25°C
19°C17/22°C
20°C18/26°C
20°C16/26°C
20°C16/25°C
20°C17/25°C
20°C14/27°C
19°C14/26°C
--°C/°C
55AQI
44AQI
44AQI
40AQI
2025 Days Vs Air Quality
Tijuana, Baja California, Mexico
50%
95
50%
96
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 50%
Health Risk Level:
Considerable
In 2025, 50% of 276 days were within WHO’s safe air quality limits, and 50% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Tijuana, Baja California, Mexico
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
55AQI
57AQI
58AQI
59AQI
60AQI
57AQI
57AQI
53AQI
40AQI
38AQI
41AQI
37AQI
45AQI
57AQI
56AQI
49AQI
60AQI
64AQI
59AQI
58AQI
48AQI
40AQI
29AQI
28AQI
38AQI
50AQI
57AQI
50AQI
44AQI
42AQI
37AQI
27AQI
25AQI
24AQI
44AQI
53AQI
45AQI
38AQI
38AQI
33AQI
35AQI
48AQI
49AQI
53AQI
55AQI
55AQI
58AQI
57AQI
34AQI
42AQI
55AQI
58AQI
50AQI
39AQI
51AQI
60AQI
59AQI
64AQI
60AQI
54AQI
47AQI
43AQI
39AQI
47AQI
44AQI
53AQI
65AQI
56AQI
50AQI
33AQI
33AQI
34AQI
33AQI
37AQI
39AQI
50AQI
51AQI
49AQI
55AQI
61AQI
58AQI
58AQI
63AQI
65AQI
65AQI
61AQI
62AQI
59AQI
58AQI
60AQI
68AQI
58AQI
53AQI
56AQI
53AQI
50AQI
45AQI
46AQI
44AQI
47AQI
46AQI
61AQI
56AQI
57AQI
55AQI
48AQI
48AQI
57AQI
55AQI
49AQI
43AQI
39AQI
35AQI
28AQI
29AQI
42AQI
46AQI
36AQI
28AQI
27AQI
35AQI
27AQI
25AQI
28AQI
31AQI
42AQI
53AQI
54AQI
54AQI
46AQI
51AQI
63AQI
66AQI
62AQI
61AQI
57AQI
54AQI
56AQI
56AQI
59AQI
58AQI
60AQI
49AQI
41AQI
43AQI
50AQI
49AQI
52AQI
59AQI
60AQI
60AQI
57AQI
54AQI
54AQI
53AQI
58AQI
53AQI
51AQI
55AQI
53AQI
55AQI
54AQI
52AQI
52AQI
48AQI
45AQI
45AQI
32AQI
30AQI
34AQI
37AQI
49AQI
54AQI
55AQI
60AQI
53AQI
51AQI
49AQI
50AQI
52AQI
51AQI
48AQI
50AQI
50AQI
32AQI
27AQI
40AQI
46AQI
42AQI
52AQI
40AQI
58AQI
45AQI
49AQI
52AQI
42AQI
55AQI
47AQI
46AQI
No. of days
202549AQI
Highest AQI recorded in
March58AQI
Lowest AQI recorded in
July42AQI
Most & Least Polluted Years Over the Last 1 Years
Tijuana's annual 2025 AQI (49) shows an average percentage change of NaN% (improved AQI) compared to previous years: .