Sendai, Miyagi, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Sendai, Miyagi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 29 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Sendai, Miyagi, Japan
93%
168
7%
13
Total number of days with different AQI categories in last 182 days in 2025 (183 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 182 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
Sendai, Miyagi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
26AQI
24AQI
23AQI
24AQI
30AQI
24AQI
24AQI
21AQI
19AQI
22AQI
22AQI
24AQI
31AQI
24AQI
25AQI
22AQI
25AQI
31AQI
36AQI
46AQI
37AQI
40AQI
38AQI
32AQI
28AQI
29AQI
27AQI
23AQI
24AQI
24AQI
25AQI
27AQI
25AQI
26AQI
22AQI
22AQI
27AQI
21AQI
23AQI
23AQI
23AQI
28AQI
25AQI
26AQI
23AQI
27AQI
37AQI
25AQI
26AQI
22AQI
22AQI
21AQI
21AQI
22AQI
26AQI
37AQI
33AQI
48AQI
45AQI
55AQI
33AQI
33AQI
23AQI
24AQI
23AQI
31AQI
26AQI
34AQI
35AQI
41AQI
48AQI
41AQI
40AQI
27AQI
22AQI
27AQI
23AQI
28AQI
46AQI
52AQI
37AQI
37AQI
57AQI
58AQI
59AQI
49AQI
36AQI
35AQI
35AQI
30AQI
24AQI
22AQI
20AQI
24AQI
31AQI
25AQI
37AQI
30AQI
42AQI
45AQI
36AQI
26AQI
22AQI
22AQI
22AQI
43AQI
48AQI
62AQI
54AQI
44AQI
45AQI
41AQI
38AQI
35AQI
51AQI
50AQI
49AQI
28AQI
26AQI
23AQI
23AQI
30AQI
28AQI
32AQI
28AQI
26AQI
33AQI
34AQI
26AQI
22AQI
23AQI
37AQI
44AQI
41AQI
47AQI
36AQI
43AQI
39AQI
52AQI
54AQI
46AQI
43AQI
37AQI
25AQI
26AQI
29AQI
28AQI
32AQI
28AQI
19AQI
19AQI
34AQI
37AQI
30AQI
34AQI
42AQI
55AQI
57AQI
58AQI
47AQI
43AQI
36AQI
33AQI
34AQI
27AQI
24AQI
29AQI
34AQI
40AQI
34AQI
34AQI
31AQI
40AQI
32AQI
33AQI
29AQI
31AQI
32AQI
36AQI
39AQI
28AQI
26AQI
37AQI
36AQI
33AQI
36AQI
No. of days
202533AQI
Highest AQI recorded in
March37AQI
Lowest AQI recorded in
February26AQI
202430AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
January22AQI
202335AQI
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
December23AQI
202230AQI
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
December19AQI
202130AQI
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
October24AQI
202029AQI
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
December22AQI
Most & Least Polluted Years Over the Last 6 Years
Sendai's annual 2025 AQI (33) shows an average percentage change of 6.6% (worsened AQI) compared to previous years: 2020 (29), 2021 (30), 2022 (30), 2023 (35), 2024 (30).
