Himeji, Takasagocho Takasemachi, Hyogo, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Himeji, Takasagocho Takasemachi, Hyogo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 35 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Himeji, Takasagocho Takasemachi, Hyogo, Japan
5 AM30th Sep 2025
6 PM
4 AM1st Oct 2025
AQI
AQI
49AQI
15AQI
In the last 24 hours,
Himeji's AQI reached its highest point of 49 at 3 PM during the Night, while the lowest point, 15, was recorded at 10 PM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Himeji, Takasagocho Takasemachi, Hyogo, Japan
29°C27/31°C
29°C27/31°C
28°C26/31°C
25°C24/26°C
27°C25/31°C
27°C24/29°C
28°C26/30°C
28°C26/30°C
28°C26/30°C
27°C25/29°C
26°C25/28°C
26°C24/29°C
27°C26/28°C
28°C26/30°C
28°C26/31°C
28°C26/30°C
28°C26/30°C
27°C24/30°C
25°C22/28°C
25°C23/27°C
24°C21/27°C
23°C20/26°C
22°C21/23°C
24°C22/26°C
25°C24/26°C
25°C23/28°C
23°C20/27°C
23°C20/26°C
24°C21/27°C
--°C/°C
--°C/°C
35AQI
30AQI
35AQI
32AQI
2025 Days Vs Air Quality
Himeji, Takasagocho Takasemachi, Hyogo, Japan
65%
178
34%
92
0.7%
2
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 65%
Health Risk Level:
Moderate
In 2025, 65% of 273 days were within WHO’s safe air quality limits, and 35% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Himeji, Takasagocho Takasemachi, Hyogo, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
42AQI
32AQI
33AQI
34AQI
39AQI
32AQI
30AQI
29AQI
26AQI
29AQI
36AQI
37AQI
51AQI
42AQI
41AQI
33AQI
35AQI
43AQI
56AQI
45AQI
70AQI
95AQI
68AQI
48AQI
40AQI
37AQI
37AQI
32AQI
42AQI
71AQI
74AQI
44AQI
52AQI
38AQI
39AQI
33AQI
39AQI
29AQI
29AQI
29AQI
28AQI
45AQI
30AQI
47AQI
27AQI
61AQI
37AQI
39AQI
30AQI
32AQI
28AQI
33AQI
33AQI
32AQI
35AQI
41AQI
69AQI
81AQI
105AQI
105AQI
55AQI
48AQI
34AQI
38AQI
34AQI
41AQI
37AQI
45AQI
36AQI
55AQI
52AQI
50AQI
35AQI
25AQI
32AQI
35AQI
28AQI
50AQI
65AQI
72AQI
75AQI
83AQI
76AQI
94AQI
67AQI
45AQI
44AQI
33AQI
38AQI
36AQI
29AQI
23AQI
28AQI
41AQI
47AQI
52AQI
56AQI
62AQI
64AQI
60AQI
60AQI
38AQI
53AQI
29AQI
51AQI
50AQI
61AQI
65AQI
55AQI
49AQI
50AQI
44AQI
33AQI
66AQI
64AQI
65AQI
56AQI
54AQI
68AQI
59AQI
43AQI
51AQI
39AQI
46AQI
25AQI
32AQI
33AQI
37AQI
34AQI
38AQI
53AQI
60AQI
61AQI
58AQI
52AQI
42AQI
53AQI
55AQI
69AQI
43AQI
38AQI
51AQI
36AQI
26AQI
33AQI
36AQI
34AQI
40AQI
36AQI
39AQI
44AQI
52AQI
30AQI
50AQI
49AQI
51AQI
54AQI
69AQI
58AQI
35AQI
45AQI
54AQI
52AQI
40AQI
39AQI
48AQI
43AQI
52AQI
57AQI
60AQI
52AQI
49AQI
42AQI
37AQI
35AQI
41AQI
55AQI
59AQI
56AQI
60AQI
65AQI
90AQI
90AQI
96AQI
90AQI
77AQI
76AQI
77AQI
86AQI
74AQI
61AQI
60AQI
55AQI
44AQI
53AQI
57AQI
39AQI
44AQI
39AQI
35AQI
32AQI
37AQI
40AQI
35AQI
30AQI
32AQI
28AQI
31AQI
40AQI
44AQI
43AQI
45AQI
46AQI
48AQI
62AQI
51AQI
54AQI
49AQI
49AQI
51AQI
49AQI
36AQI
36AQI
41AQI
48AQI
44AQI
45AQI
43AQI
50AQI
48AQI
48AQI
50AQI
46AQI
50AQI
55AQI
57AQI
57AQI
55AQI
52AQI
56AQI
56AQI
54AQI
44AQI
37AQI
42AQI
28AQI
26AQI
30AQI
34AQI
39AQI
40AQI
39AQI
32AQI
32AQI
31AQI
40AQI
40AQI
49AQI
53AQI
34AQI
31AQI
42AQI
27AQI
29AQI
34AQI
33AQI
30AQI
27AQI
25AQI
28AQI
35AQI
43AQI
41AQI
53AQI
50AQI
44AQI
49AQI
55AQI
49AQI
35AQI
No. of days
202547AQI
Highest AQI recorded in
July55AQI
Lowest AQI recorded in
September35AQI
202439AQI
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
October31AQI
202343AQI
Highest AQI recorded in
March54AQI
Lowest AQI recorded in
August30AQI
202242AQI
Highest AQI recorded in
March54AQI
Lowest AQI recorded in
October32AQI
202139AQI
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
October36AQI
202046AQI
Highest AQI recorded in
August63AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Himeji's annual 2025 AQI (47) shows an average percentage change of 11.6% (worsened AQI) compared to previous years: 2020 (46), 2021 (39), 2022 (42), 2023 (43), 2024 (39).