Silao, Guanajuato, Mexico Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Silao, Guanajuato, Mexico
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Silao, Guanajuato, Mexico
7 AM3rd Aug 2025
8 PM
6 AM4th Aug 2025
39AQI
20AQI
38AQI
28AQI
In the last 24 hours,
Silao's AQI reached its highest point of 39 at 1 PM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Silao, Guanajuato, Mexico
22°C13/31°C
21°C14/28°C
20°C15/26°C
20°C15/27°C
19°C14/25°C
19°C13/25°C
19°C12/25°C
20°C14/26°C
19°C15/26°C
20°C14/29°C
20°C15/26°C
19°C15/25°C
19°C15/24°C
17°C15/22°C
20°C13/26°C
19°C14/25°C
20°C15/28°C
21°C15/30°C
20°C13/30°C
20°C14/29°C
19°C10/30°C
18°C9/29°C
19°C14/26°C
19°C15/26°C
19°C12/29°C
19°C12/29°C
19°C9/30°C
18°C12/26°C
20°C14/30°C
20°C12/31°C
--°C/°C
45AQI
45AQI
43AQI
43AQI
2025 Days Vs Air Quality
Silao, Guanajuato, Mexico
35%
74
65%
139
0.4%
1
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 35%
Health Risk Level:
High
In 2025, 35% of 216 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Silao, Guanajuato, Mexico
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
138AQI
80AQI
73AQI
68AQI
82AQI
88AQI
94AQI
71AQI
70AQI
53AQI
52AQI
45AQI
51AQI
51AQI
50AQI
57AQI
81AQI
65AQI
60AQI
72AQI
53AQI
54AQI
57AQI
67AQI
60AQI
83AQI
74AQI
76AQI
81AQI
67AQI
72AQI
66AQI
73AQI
66AQI
67AQI
73AQI
94AQI
67AQI
64AQI
74AQI
89AQI
90AQI
68AQI
60AQI
61AQI
49AQI
52AQI
46AQI
57AQI
49AQI
44AQI
46AQI
33AQI
33AQI
28AQI
32AQI
37AQI
36AQI
45AQI
44AQI
39AQI
39AQI
43AQI
45AQI
49AQI
40AQI
43AQI
37AQI
40AQI
40AQI
39AQI
50AQI
58AQI
55AQI
59AQI
59AQI
63AQI
63AQI
88AQI
70AQI
71AQI
65AQI
67AQI
68AQI
72AQI
74AQI
57AQI
66AQI
68AQI
66AQI
69AQI
71AQI
69AQI
67AQI
65AQI
63AQI
61AQI
56AQI
59AQI
58AQI
55AQI
50AQI
53AQI
58AQI
58AQI
62AQI
59AQI
69AQI
57AQI
57AQI
63AQI
68AQI
64AQI
67AQI
67AQI
78AQI
68AQI
64AQI
65AQI
74AQI
77AQI
73AQI
69AQI
74AQI
76AQI
73AQI
77AQI
75AQI
69AQI
59AQI
61AQI
64AQI
72AQI
70AQI
78AQI
72AQI
78AQI
77AQI
73AQI
77AQI
76AQI
69AQI
63AQI
71AQI
66AQI
66AQI
67AQI
61AQI
53AQI
49AQI
52AQI
46AQI
52AQI
44AQI
52AQI
58AQI
56AQI
54AQI
55AQI
55AQI
60AQI
56AQI
49AQI
53AQI
51AQI
42AQI
40AQI
41AQI
40AQI
38AQI
29AQI
32AQI
31AQI
26AQI
31AQI
35AQI
39AQI
35AQI
36AQI
32AQI
28AQI
28AQI
30AQI
37AQI
39AQI
50AQI
51AQI
49AQI
51AQI
44AQI
51AQI
44AQI
44AQI
44AQI
50AQI
43AQI
48AQI
53AQI
54AQI
55AQI
46AQI
45AQI
57AQI
49AQI
44AQI
39AQI
45AQI
41AQI
33AQI
33AQI
35AQI
37AQI
33AQI
36AQI
69AQI
57AQI
56AQI
63AQI
69AQI
43AQI
44AQI
35AQI
No. of days
202557AQI
Highest AQI recorded in
January69AQI
Lowest AQI recorded in
August35AQI
202459AQI
Highest AQI recorded in
December95AQI
Lowest AQI recorded in
August37AQI
202354AQI
Highest AQI recorded in
May83AQI
Lowest AQI recorded in
September41AQI
202249AQI
Highest AQI recorded in
April62AQI
Lowest AQI recorded in
September31AQI
202146AQI
Highest AQI recorded in
March64AQI
Lowest AQI recorded in
September24AQI
202049AQI
Highest AQI recorded in
May77AQI
Lowest AQI recorded in
August28AQI
Most & Least Polluted Years Over the Last 6 Years
Silao's annual 2025 AQI (57) shows an average percentage change of 11.6% (worsened AQI) compared to previous years: 2020 (49), 2021 (46), 2022 (49), 2023 (54), 2024 (59).