Sidoarjo, Mojokerto, Jawa Timur, Indonesia 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
Sidoarjo, Mojokerto, Jawa Timur, Indonesia
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 75 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Sidoarjo, Mojokerto, Jawa Timur, Indonesia
5 AM3rd Oct 2025
5 PM
4 AM4th Oct 2025
95AQI
74AQI
110AQI
74AQI
In the last 24 hours,
Sidoarjo's AQI reached its highest point of 110 at 11 PM during the Night, while the lowest point, 74, was recorded at 6 PM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Sidoarjo, Mojokerto, Jawa Timur, Indonesia
28°C23/36°C
28°C23/36°C
28°C23/36°C
28°C22/36°C
28°C23/36°C
28°C24/36°C
27°C24/33°C
28°C23/34°C
28°C23/36°C
28°C23/36°C
28°C23/36°C
28°C23/35°C
28°C24/35°C
27°C23/34°C
27°C23/34°C
28°C23/34°C
29°C24/36°C
29°C24/37°C
29°C22/37°C
29°C23/38°C
29°C23/37°C
29°C23/36°C
29°C23/37°C
29°C24/36°C
29°C24/35°C
29°C24/36°C
27°C24/33°C
28°C23/34°C
28°C23/35°C
29°C23/38°C
--°C/°C
50AQI
47AQI
54AQI
48AQI
2025 Days Vs Air Quality
Sidoarjo, Mojokerto, Jawa Timur, Indonesia
15%
41
85%
235
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 277 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Sidoarjo, Mojokerto, Jawa Timur, Indonesia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
62AQI
62AQI
62AQI
58AQI
59AQI
63AQI
59AQI
60AQI
58AQI
64AQI
61AQI
61AQI
55AQI
61AQI
59AQI
59AQI
55AQI
56AQI
55AQI
46AQI
54AQI
57AQI
57AQI
61AQI
59AQI
61AQI
54AQI
55AQI
50AQI
50AQI
58AQI
62AQI
66AQI
62AQI
74AQI
63AQI
58AQI
58AQI
65AQI
59AQI
61AQI
62AQI
65AQI
61AQI
63AQI
67AQI
67AQI
59AQI
62AQI
65AQI
60AQI
66AQI
60AQI
56AQI
55AQI
57AQI
57AQI
64AQI
59AQI
61AQI
70AQI
69AQI
66AQI
75AQI
70AQI
53AQI
58AQI
54AQI
56AQI
53AQI
61AQI
65AQI
64AQI
61AQI
51AQI
58AQI
54AQI
72AQI
73AQI
74AQI
69AQI
65AQI
62AQI
59AQI
68AQI
64AQI
59AQI
46AQI
56AQI
52AQI
55AQI
50AQI
56AQI
56AQI
62AQI
60AQI
60AQI
58AQI
61AQI
60AQI
57AQI
60AQI
59AQI
64AQI
65AQI
65AQI
67AQI
65AQI
63AQI
60AQI
63AQI
63AQI
61AQI
60AQI
63AQI
65AQI
62AQI
62AQI
61AQI
66AQI
68AQI
63AQI
59AQI
58AQI
61AQI
61AQI
68AQI
70AQI
75AQI
73AQI
71AQI
70AQI
68AQI
68AQI
68AQI
64AQI
65AQI
66AQI
64AQI
66AQI
64AQI
68AQI
71AQI
66AQI
66AQI
62AQI
76AQI
83AQI
78AQI
66AQI
81AQI
73AQI
74AQI
77AQI
80AQI
86AQI
87AQI
84AQI
76AQI
77AQI
87AQI
76AQI
77AQI
79AQI
74AQI
69AQI
68AQI
64AQI
53AQI
53AQI
56AQI
68AQI
78AQI
67AQI
57AQI
65AQI
63AQI
64AQI
62AQI
64AQI
61AQI
60AQI
60AQI
58AQI
60AQI
56AQI
62AQI
61AQI
59AQI
62AQI
61AQI
65AQI
71AQI
62AQI
66AQI
67AQI
67AQI
63AQI
67AQI
67AQI
65AQI
62AQI
63AQI
63AQI
69AQI
73AQI
77AQI
78AQI
79AQI
71AQI
65AQI
64AQI
57AQI
49AQI
46AQI
47AQI
47AQI
50AQI
58AQI
60AQI
67AQI
65AQI
55AQI
46AQI
43AQI
43AQI
41AQI
41AQI
40AQI
40AQI
38AQI
36AQI
41AQI
44AQI
49AQI
51AQI
47AQI
52AQI
55AQI
56AQI
62AQI
59AQI
56AQI
50AQI
45AQI
43AQI
50AQI
40AQI
35AQI
37AQI
32AQI
32AQI
31AQI
30AQI
30AQI
28AQI
32AQI
35AQI
39AQI
41AQI
53AQI
54AQI
48AQI
54AQI
56AQI
56AQI
60AQI
59AQI
60AQI
63AQI
58AQI
70AQI
80AQI
69AQI
75AQI
75AQI
58AQI
62AQI
62AQI
61AQI
68AQI
71AQI
65AQI
50AQI
47AQI
73AQI
No. of days
202560AQI
Highest AQI recorded in
October73AQI
Lowest AQI recorded in
September47AQI
202466AQI
Highest AQI recorded in
September110AQI
Lowest AQI recorded in
July33AQI
202374AQI
Highest AQI recorded in
December75AQI
Lowest AQI recorded in
November71AQI
20214AQI
Highest AQI recorded in
May12AQI
Lowest AQI recorded in
June1AQI
202014AQI
Highest AQI recorded in
September17AQI
Lowest AQI recorded in
December5AQI
Most & Least Polluted Years Over the Last 5 Years
Sidoarjo's annual 2025 AQI (60) shows an average percentage change of 396.01% (worsened AQI) compared to previous years: 2020 (14), 2021 (4), 2023 (74), 2024 (66).