Tama, Okayama, 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
Tama, Okayama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 41 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Tama, Okayama, Japan
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
AQI
AQI
56AQI
36AQI
In the last 24 hours,
Tama's AQI reached its highest point of 56 at 2 PM during the Night, while the lowest point, 36, was recorded at 10 PM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tama, Okayama, Japan
26°C25/27°C
26°C25/28°C
27°C25/28°C
26°C25/27°C
27°C25/29°C
27°C25/29°C
27°C26/30°C
27°C25/29°C
27°C25/29°C
27°C26/30°C
26°C25/27°C
26°C24/30°C
27°C25/31°C
26°C25/27°C
27°C26/29°C
27°C26/29°C
27°C25/30°C
27°C26/29°C
27°C26/29°C
28°C26/29°C
28°C26/30°C
28°C26/30°C
28°C26/30°C
28°C26/30°C
28°C26/30°C
28°C27/30°C
28°C27/30°C
28°C26/30°C
28°C27/30°C
--°C/°C
--°C/°C
51AQI
41AQI
49AQI
48AQI
2025 Days Vs Air Quality
Tama, Okayama, Japan
64%
136
36%
76
0.4%
1
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 64%
Health Risk Level:
Moderate
In 2025, 64% of 214 days were within WHO’s safe air quality limits, and 36% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Tama, Okayama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
41AQI
35AQI
37AQI
34AQI
49AQI
36AQI
39AQI
32AQI
31AQI
32AQI
34AQI
36AQI
49AQI
41AQI
39AQI
33AQI
32AQI
42AQI
49AQI
47AQI
65AQI
82AQI
74AQI
48AQI
44AQI
36AQI
39AQI
32AQI
45AQI
60AQI
69AQI
51AQI
55AQI
40AQI
40AQI
33AQI
38AQI
34AQI
34AQI
34AQI
35AQI
40AQI
33AQI
42AQI
31AQI
54AQI
42AQI
42AQI
37AQI
36AQI
34AQI
37AQI
36AQI
38AQI
40AQI
40AQI
63AQI
75AQI
100AQI
93AQI
58AQI
46AQI
35AQI
40AQI
36AQI
40AQI
40AQI
41AQI
42AQI
54AQI
55AQI
46AQI
38AQI
28AQI
42AQI
32AQI
39AQI
47AQI
57AQI
64AQI
67AQI
74AQI
73AQI
81AQI
78AQI
53AQI
48AQI
40AQI
38AQI
39AQI
46AQI
26AQI
41AQI
40AQI
51AQI
48AQI
51AQI
64AQI
65AQI
64AQI
57AQI
47AQI
54AQI
34AQI
49AQI
53AQI
61AQI
62AQI
59AQI
45AQI
51AQI
47AQI
34AQI
66AQI
60AQI
63AQI
59AQI
48AQI
62AQI
58AQI
42AQI
53AQI
41AQI
47AQI
33AQI
37AQI
32AQI
40AQI
35AQI
39AQI
52AQI
58AQI
63AQI
63AQI
58AQI
47AQI
48AQI
58AQI
67AQI
55AQI
41AQI
50AQI
41AQI
30AQI
33AQI
35AQI
42AQI
42AQI
44AQI
41AQI
48AQI
54AQI
32AQI
49AQI
47AQI
56AQI
59AQI
69AQI
50AQI
40AQI
45AQI
63AQI
58AQI
40AQI
33AQI
45AQI
37AQI
48AQI
50AQI
57AQI
55AQI
54AQI
46AQI
45AQI
44AQI
46AQI
54AQI
58AQI
59AQI
61AQI
60AQI
89AQI
92AQI
104AQI
90AQI
73AQI
70AQI
73AQI
83AQI
74AQI
62AQI
56AQI
52AQI
46AQI
50AQI
59AQI
44AQI
45AQI
39AQI
37AQI
35AQI
41AQI
38AQI
38AQI
28AQI
27AQI
26AQI
27AQI
34AQI
40AQI
43AQI
41AQI
43AQI
42AQI
52AQI
52AQI
46AQI
50AQI
54AQI
41AQI
No. of days
202548AQI
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
August41AQI
202441AQI
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
October34AQI
202345AQI
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
August33AQI
202246AQI
Highest AQI recorded in
March56AQI
Lowest AQI recorded in
October37AQI
202146AQI
Highest AQI recorded in
May52AQI
Lowest AQI recorded in
October40AQI
202046AQI
Highest AQI recorded in
August64AQI
Lowest AQI recorded in
September34AQI
Most & Least Polluted Years Over the Last 6 Years
Tama's annual 2025 AQI (48) shows an average percentage change of 8.1% (worsened AQI) compared to previous years: 2020 (46), 2021 (46), 2022 (46), 2023 (45), 2024 (41).