Noda, Chiba, 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
Noda, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Noda, Chiba, Japan
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
AQI
AQI
67AQI
42AQI
In the last 24 hours,
Noda's AQI reached its highest point of 67 at 12 PM during the Night, while the lowest point, 42, was recorded at 11 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Noda, Chiba, Japan
31°C28/36°C
31°C28/36°C
31°C27/36°C
29°C23/36°C
23°C22/26°C
24°C21/28°C
27°C23/31°C
26°C24/29°C
27°C26/30°C
28°C26/30°C
29°C26/32°C
28°C26/33°C
29°C25/33°C
30°C27/34°C
31°C27/36°C
31°C27/36°C
31°C27/36°C
31°C27/37°C
32°C28/37°C
31°C28/37°C
31°C28/36°C
31°C28/38°C
32°C27/38°C
30°C26/36°C
29°C25/34°C
28°C26/32°C
31°C26/37°C
32°C27/37°C
32°C28/37°C
--°C/°C
--°C/°C
53AQI
45AQI
46AQI
39AQI
2025 Days Vs Air Quality
Noda, Chiba, Japan
87%
187
13%
29
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 217 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
Noda, Chiba, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
33AQI
25AQI
28AQI
39AQI
67AQI
35AQI
38AQI
34AQI
32AQI
31AQI
49AQI
33AQI
45AQI
39AQI
35AQI
33AQI
38AQI
58AQI
42AQI
52AQI
42AQI
56AQI
49AQI
44AQI
36AQI
39AQI
49AQI
34AQI
38AQI
29AQI
46AQI
42AQI
45AQI
35AQI
35AQI
28AQI
31AQI
30AQI
30AQI
31AQI
32AQI
47AQI
38AQI
37AQI
33AQI
42AQI
38AQI
34AQI
31AQI
31AQI
31AQI
33AQI
33AQI
34AQI
35AQI
41AQI
42AQI
55AQI
52AQI
64AQI
42AQI
44AQI
30AQI
36AQI
33AQI
41AQI
37AQI
39AQI
45AQI
56AQI
44AQI
40AQI
39AQI
29AQI
23AQI
25AQI
17AQI
25AQI
43AQI
53AQI
56AQI
52AQI
67AQI
72AQI
71AQI
48AQI
37AQI
37AQI
32AQI
31AQI
22AQI
23AQI
23AQI
26AQI
24AQI
32AQI
40AQI
24AQI
48AQI
39AQI
39AQI
28AQI
32AQI
27AQI
29AQI
47AQI
53AQI
66AQI
51AQI
45AQI
47AQI
32AQI
40AQI
47AQI
45AQI
54AQI
46AQI
34AQI
47AQI
40AQI
30AQI
30AQI
36AQI
33AQI
30AQI
24AQI
28AQI
32AQI
23AQI
22AQI
22AQI
34AQI
35AQI
39AQI
45AQI
26AQI
46AQI
37AQI
65AQI
52AQI
48AQI
41AQI
43AQI
31AQI
28AQI
24AQI
25AQI
29AQI
24AQI
17AQI
22AQI
30AQI
34AQI
27AQI
39AQI
45AQI
49AQI
61AQI
49AQI
38AQI
36AQI
41AQI
39AQI
34AQI
31AQI
36AQI
47AQI
44AQI
44AQI
41AQI
36AQI
25AQI
26AQI
25AQI
21AQI
21AQI
27AQI
28AQI
32AQI
34AQI
36AQI
43AQI
47AQI
47AQI
48AQI
61AQI
75AQI
77AQI
82AQI
64AQI
48AQI
52AQI
53AQI
43AQI
42AQI
40AQI
41AQI
37AQI
33AQI
35AQI
38AQI
40AQI
40AQI
42AQI
39AQI
41AQI
38AQI
42AQI
38AQI
33AQI
33AQI
33AQI
42AQI
44AQI
57AQI
40AQI
36AQI
43AQI
38AQI
34AQI
35AQI
46AQI
44AQI
No. of days
202539AQI
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
May34AQI
202441AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
August33AQI
202343AQI
Highest AQI recorded in
December50AQI
Lowest AQI recorded in
August30AQI
202242AQI
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
September33AQI
202139AQI
Highest AQI recorded in
December48AQI
Lowest AQI recorded in
August31AQI
202038AQI
Highest AQI recorded in
November50AQI
Lowest AQI recorded in
September24AQI
Most & Least Polluted Years Over the Last 6 Years
Noda's annual 2025 AQI (39) shows an average percentage change of -4.05% (improved AQI) compared to previous years: 2020 (38), 2021 (39), 2022 (42), 2023 (43), 2024 (41).