Otsubomachi, Takaoka, Toyama, Japan 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
Otsubomachi, Takaoka, Toyama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 50 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Otsubomachi, Takaoka, Toyama, Japan
4 AM5th Aug 2025
7 PM
3 AM6th Aug 2025
60AQI
48AQI
51AQI
46AQI
In the last 24 hours,
Otsubomachi's AQI reached its highest point of 60 at 10 AM during the Day, while the lowest point, 46, was recorded at 12 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Otsubomachi, Takaoka, Toyama, Japan
28°C23/34°C
27°C24/32°C
26°C23/33°C
26°C23/30°C
26°C22/30°C
25°C21/29°C
26°C22/33°C
30°C23/36°C
28°C24/33°C
29°C23/36°C
27°C25/33°C
29°C25/37°C
29°C24/36°C
30°C24/36°C
30°C25/36°C
30°C25/36°C
29°C24/35°C
29°C24/35°C
30°C25/36°C
29°C24/35°C
30°C25/35°C
30°C25/36°C
29°C26/34°C
29°C25/34°C
29°C25/35°C
29°C25/34°C
29°C25/33°C
29°C25/33°C
30°C24/38°C
31°C25/36°C
--°C/°C
49AQI
44AQI
47AQI
47AQI
2025 Days Vs Air Quality
Otsubomachi, Takaoka, Toyama, Japan
77%
167
23%
50
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Otsubomachi, Takaoka, Toyama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
30AQI
29AQI
26AQI
27AQI
39AQI
28AQI
31AQI
28AQI
26AQI
27AQI
26AQI
28AQI
33AQI
28AQI
31AQI
33AQI
29AQI
32AQI
40AQI
43AQI
41AQI
55AQI
46AQI
40AQI
34AQI
32AQI
31AQI
30AQI
30AQI
32AQI
46AQI
33AQI
39AQI
32AQI
31AQI
31AQI
33AQI
30AQI
30AQI
29AQI
31AQI
40AQI
34AQI
36AQI
31AQI
36AQI
40AQI
30AQI
31AQI
29AQI
33AQI
32AQI
31AQI
32AQI
35AQI
43AQI
54AQI
54AQI
55AQI
54AQI
43AQI
40AQI
32AQI
32AQI
35AQI
38AQI
35AQI
42AQI
40AQI
40AQI
50AQI
40AQI
40AQI
28AQI
28AQI
33AQI
24AQI
38AQI
53AQI
53AQI
63AQI
61AQI
78AQI
72AQI
72AQI
57AQI
45AQI
36AQI
39AQI
39AQI
32AQI
24AQI
27AQI
37AQI
35AQI
39AQI
43AQI
37AQI
43AQI
50AQI
44AQI
35AQI
42AQI
26AQI
40AQI
42AQI
54AQI
56AQI
46AQI
41AQI
50AQI
30AQI
25AQI
40AQI
49AQI
47AQI
47AQI
49AQI
57AQI
53AQI
44AQI
40AQI
37AQI
36AQI
38AQI
29AQI
30AQI
39AQI
30AQI
26AQI
43AQI
47AQI
55AQI
57AQI
57AQI
46AQI
53AQI
51AQI
60AQI
66AQI
51AQI
49AQI
44AQI
34AQI
34AQI
33AQI
33AQI
39AQI
38AQI
32AQI
37AQI
45AQI
45AQI
42AQI
40AQI
49AQI
51AQI
54AQI
66AQI
63AQI
50AQI
50AQI
42AQI
38AQI
26AQI
38AQI
34AQI
42AQI
48AQI
54AQI
57AQI
68AQI
48AQI
47AQI
46AQI
44AQI
56AQI
43AQI
47AQI
53AQI
57AQI
73AQI
84AQI
79AQI
71AQI
60AQI
63AQI
58AQI
58AQI
52AQI
54AQI
50AQI
52AQI
52AQI
40AQI
48AQI
34AQI
35AQI
34AQI
36AQI
36AQI
42AQI
48AQI
51AQI
53AQI
49AQI
40AQI
42AQI
40AQI
41AQI
47AQI
48AQI
45AQI
45AQI
55AQI
50AQI
33AQI
35AQI
45AQI
41AQI
43AQI
47AQI
51AQI
49AQI
No. of days
202542AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
January33AQI
202435AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
December28AQI
202343AQI
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
December31AQI
202246AQI
Highest AQI recorded in
May58AQI
Lowest AQI recorded in
December31AQI
202144AQI
Highest AQI recorded in
June60AQI
Lowest AQI recorded in
January33AQI
202042AQI
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
December27AQI
Most & Least Polluted Years Over the Last 6 Years
Otsubomachi's annual 2025 AQI (42) shows an average percentage change of 1.8% (worsened AQI) compared to previous years: 2020 (42), 2021 (44), 2022 (46), 2023 (43), 2024 (35).