Tateyama, 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
Tateyama, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (31st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 28 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

2025 Days Vs Air Quality
Tateyama, Chiba, Japan
92%
194
8%
18
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 213 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Tateyama, Chiba, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
31AQI
27AQI
26AQI
32AQI
31AQI
30AQI
30AQI
30AQI
27AQI
29AQI
31AQI
31AQI
31AQI
37AQI
24AQI
28AQI
27AQI
44AQI
33AQI
38AQI
32AQI
40AQI
47AQI
36AQI
37AQI
30AQI
33AQI
31AQI
31AQI
29AQI
35AQI
30AQI
30AQI
29AQI
32AQI
32AQI
31AQI
30AQI
31AQI
29AQI
32AQI
31AQI
31AQI
30AQI
31AQI
32AQI
37AQI
30AQI
30AQI
29AQI
31AQI
30AQI
32AQI
32AQI
35AQI
37AQI
36AQI
43AQI
46AQI
51AQI
39AQI
38AQI
25AQI
31AQI
30AQI
31AQI
33AQI
34AQI
32AQI
32AQI
36AQI
30AQI
29AQI
20AQI
19AQI
17AQI
16AQI
19AQI
43AQI
45AQI
59AQI
56AQI
65AQI
96AQI
73AQI
55AQI
37AQI
45AQI
32AQI
28AQI
24AQI
21AQI
22AQI
23AQI
23AQI
30AQI
32AQI
36AQI
45AQI
36AQI
38AQI
26AQI
39AQI
27AQI
38AQI
42AQI
49AQI
56AQI
45AQI
43AQI
39AQI
30AQI
38AQI
37AQI
45AQI
47AQI
40AQI
36AQI
45AQI
35AQI
31AQI
30AQI
40AQI
31AQI
26AQI
22AQI
26AQI
27AQI
25AQI
30AQI
27AQI
34AQI
28AQI
38AQI
35AQI
29AQI
37AQI
44AQI
52AQI
32AQI
32AQI
33AQI
36AQI
29AQI
26AQI
25AQI
25AQI
24AQI
22AQI
18AQI
18AQI
28AQI
28AQI
33AQI
43AQI
46AQI
47AQI
53AQI
35AQI
29AQI
29AQI
34AQI
32AQI
32AQI
39AQI
40AQI
46AQI
47AQI
39AQI
33AQI
28AQI
18AQI
20AQI
20AQI
22AQI
19AQI
32AQI
32AQI
30AQI
35AQI
33AQI
33AQI
31AQI
32AQI
53AQI
68AQI
84AQI
80AQI
73AQI
53AQI
51AQI
54AQI
48AQI
42AQI
42AQI
38AQI
41AQI
36AQI
33AQI
31AQI
30AQI
28AQI
26AQI
24AQI
22AQI
23AQI
21AQI
22AQI
21AQI
24AQI
26AQI
32AQI
32AQI
39AQI
36AQI
31AQI
33AQI
39AQI
No. of days
202535AQI
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
May31AQI
202435AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
September26AQI
202334AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
August23AQI
202234AQI
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
August20AQI
202133AQI
Highest AQI recorded in
May39AQI
Lowest AQI recorded in
April29AQI
202035AQI
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Tateyama's annual 2025 AQI (35) shows an average percentage change of 1.8% (worsened AQI) compared to previous years: 2020 (35), 2021 (33), 2022 (34), 2023 (34), 2024 (35).