Birth, Salamanca, Guanajuato, 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
Birth, Salamanca, Guanajuato, Mexico
AQI Trends: Highest and Lowest
Same Day Analysis (27th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 93 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 27th Oct - 28th Oct 2025
Birth, Salamanca, Guanajuato, Mexico
7 AM27th Oct 2025
7 PM
6 AM28th Oct 2025
107AQI
75AQI
119AQI
77AQI
In the last 24 hours,
Birth's AQI reached its highest point of 119 at 1 AM during the Night, while the lowest point, 75, was recorded at 4 PM during the Day between 27th Oct and 28th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Birth, Salamanca, Guanajuato, Mexico
--°C/°C
20°C14/27°C
20°C13/28°C
18°C11/28°C
18°C10/28°C
18°C11/28°C
17°C9/26°C
19°C11/28°C
20°C15/25°C
20°C15/27°C
19°C12/27°C
18°C15/22°C
20°C16/28°C
20°C13/29°C
20°C13/30°C
20°C12/31°C
19°C11/28°C
17°C11/28°C
17°C9/28°C
19°C9/30°C
20°C10/31°C
18°C8/30°C
18°C10/29°C
17°C8/30°C
17°C10/29°C
19°C11/30°C
19°C11/30°C
19°C9/31°C
20°C9/31°C
19°C10/31°C
19°C10/31°C
66AQI
60AQI
76AQI
63AQI
2025 Days Vs Air Quality
Birth, Salamanca, Guanajuato, Mexico
40%
119
60%
179
0.6%
2
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Under WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2025, 40% of 302 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Birth, Salamanca, Guanajuato, Mexico
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
135AQI
97AQI
90AQI
82AQI
77AQI
79AQI
80AQI
73AQI
73AQI
65AQI
57AQI
58AQI
56AQI
57AQI
57AQI
58AQI
62AQI
60AQI
61AQI
60AQI
58AQI
66AQI
62AQI
60AQI
63AQI
80AQI
81AQI
77AQI
89AQI
82AQI
69AQI
69AQI
61AQI
58AQI
65AQI
66AQI
71AQI
66AQI
68AQI
68AQI
71AQI
74AQI
66AQI
59AQI
57AQI
50AQI
48AQI
43AQI
42AQI
38AQI
35AQI
35AQI
37AQI
36AQI
33AQI
33AQI
42AQI
33AQI
45AQI
36AQI
40AQI
37AQI
43AQI
44AQI
50AQI
41AQI
42AQI
39AQI
42AQI
42AQI
38AQI
60AQI
53AQI
57AQI
55AQI
61AQI
63AQI
66AQI
101AQI
65AQI
73AQI
66AQI
70AQI
68AQI
68AQI
67AQI
63AQI
66AQI
63AQI
67AQI
64AQI
65AQI
61AQI
62AQI
59AQI
61AQI
58AQI
56AQI
57AQI
56AQI
54AQI
55AQI
56AQI
59AQI
59AQI
60AQI
57AQI
62AQI
56AQI
58AQI
59AQI
67AQI
62AQI
64AQI
66AQI
72AQI
68AQI
68AQI
67AQI
69AQI
70AQI
69AQI
68AQI
71AQI
73AQI
71AQI
74AQI
72AQI
70AQI
61AQI
60AQI
59AQI
68AQI
68AQI
65AQI
74AQI
72AQI
75AQI
69AQI
69AQI
69AQI
65AQI
64AQI
77AQI
68AQI
68AQI
66AQI
63AQI
57AQI
58AQI
55AQI
52AQI
52AQI
46AQI
55AQI
56AQI
56AQI
55AQI
55AQI
53AQI
54AQI
55AQI
54AQI
55AQI
57AQI
55AQI
54AQI
46AQI
45AQI
39AQI
36AQI
38AQI
36AQI
34AQI
32AQI
35AQI
38AQI
38AQI
38AQI
42AQI
41AQI
37AQI
49AQI
45AQI
46AQI
46AQI
48AQI
51AQI
52AQI
45AQI
47AQI
47AQI
45AQI
46AQI
50AQI
50AQI
49AQI
57AQI
58AQI
56AQI
54AQI
48AQI
56AQI
56AQI
51AQI
50AQI
50AQI
49AQI
45AQI
44AQI
43AQI
43AQI
36AQI
39AQI
29AQI
38AQI
46AQI
40AQI
37AQI
38AQI
47AQI
53AQI
42AQI
36AQI
47AQI
58AQI
41AQI
47AQI
41AQI
31AQI
32AQI
34AQI
41AQI
47AQI
47AQI
42AQI
43AQI
44AQI
40AQI
39AQI
43AQI
45AQI
54AQI
33AQI
37AQI
37AQI
44AQI
38AQI
50AQI
42AQI
48AQI
45AQI
38AQI
25AQI
27AQI
21AQI
47AQI
44AQI
37AQI
37AQI
37AQI
42AQI
45AQI
44AQI
45AQI
47AQI
52AQI
55AQI
41AQI
35AQI
41AQI
49AQI
60AQI
60AQI
69AQI
66AQI
65AQI
58AQI
56AQI
67AQI
58AQI
50AQI
53AQI
52AQI
58AQI
61AQI
62AQI
66AQI
68AQI
82AQI
91AQI
74AQI
66AQI
70AQI
66AQI
76AQI
88AQI
100AQI
100AQI
93AQI
72AQI
52AQI
56AQI
61AQI
67AQI
47AQI
49AQI
42AQI
41AQI
69AQI
No. of days
202556AQI
Highest AQI recorded in
January72AQI
Lowest AQI recorded in
September41AQI
202449AQI
Highest AQI recorded in
December89AQI
Lowest AQI recorded in
January28AQI
202347AQI
Highest AQI recorded in
January72AQI
Lowest AQI recorded in
December12AQI
202245AQI
Highest AQI recorded in
December71AQI
Lowest AQI recorded in
September24AQI
202143AQI
Highest AQI recorded in
January59AQI
Lowest AQI recorded in
September24AQI
202033AQI
Highest AQI recorded in
December53AQI
Lowest AQI recorded in
September5AQI
Most & Least Polluted Years Over the Last 6 Years
Birth's annual 2025 AQI (56) shows an average percentage change of 31.02% (worsened AQI) compared to previous years: 2020 (33), 2021 (43), 2022 (45), 2023 (47), 2024 (49).