Sagamihara, Kanagawa, 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
Sagamihara, Kanagawa, 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 54 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
Sagamihara, Kanagawa, Japan
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
AQI
AQI
63AQI
48AQI
In the last 24 hours,
Sagamihara's AQI reached its highest point of 63 at 10 AM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sagamihara, Kanagawa, Japan
30°C27/34°C
29°C27/33°C
29°C26/33°C
29°C24/34°C
24°C23/27°C
25°C22/29°C
26°C24/30°C
26°C25/29°C
27°C26/29°C
27°C25/30°C
28°C25/31°C
27°C24/31°C
28°C25/31°C
29°C25/32°C
30°C27/34°C
30°C27/35°C
30°C27/34°C
30°C27/35°C
31°C27/34°C
30°C27/35°C
30°C27/34°C
30°C27/35°C
30°C26/36°C
30°C27/36°C
29°C26/34°C
28°C26/32°C
31°C27/35°C
31°C27/37°C
31°C28/36°C
--°C/°C
--°C/°C
50AQI
40AQI
47AQI
38AQI
2025 Days Vs Air Quality
Sagamihara, Kanagawa, Japan
95%
206
5%
10
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 217 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
Sagamihara, Kanagawa, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
29AQI
24AQI
25AQI
23AQI
32AQI
27AQI
31AQI
28AQI
28AQI
26AQI
27AQI
28AQI
26AQI
27AQI
23AQI
25AQI
25AQI
28AQI
27AQI
30AQI
32AQI
34AQI
35AQI
32AQI
31AQI
25AQI
28AQI
26AQI
25AQI
24AQI
23AQI
24AQI
25AQI
27AQI
27AQI
26AQI
26AQI
27AQI
26AQI
25AQI
27AQI
26AQI
28AQI
26AQI
27AQI
29AQI
31AQI
27AQI
28AQI
27AQI
27AQI
27AQI
29AQI
28AQI
29AQI
29AQI
32AQI
35AQI
49AQI
38AQI
37AQI
28AQI
26AQI
26AQI
28AQI
29AQI
31AQI
30AQI
30AQI
28AQI
31AQI
22AQI
20AQI
16AQI
17AQI
15AQI
15AQI
17AQI
24AQI
26AQI
28AQI
30AQI
46AQI
56AQI
53AQI
34AQI
29AQI
29AQI
26AQI
20AQI
20AQI
18AQI
19AQI
19AQI
14AQI
16AQI
18AQI
18AQI
21AQI
21AQI
21AQI
18AQI
20AQI
19AQI
19AQI
25AQI
29AQI
32AQI
27AQI
23AQI
21AQI
15AQI
16AQI
17AQI
20AQI
21AQI
20AQI
15AQI
19AQI
18AQI
17AQI
17AQI
22AQI
18AQI
18AQI
15AQI
17AQI
16AQI
14AQI
16AQI
16AQI
18AQI
18AQI
20AQI
21AQI
20AQI
23AQI
26AQI
52AQI
38AQI
32AQI
28AQI
25AQI
20AQI
20AQI
21AQI
17AQI
18AQI
16AQI
14AQI
14AQI
17AQI
18AQI
17AQI
22AQI
23AQI
31AQI
28AQI
25AQI
22AQI
19AQI
23AQI
21AQI
19AQI
19AQI
19AQI
26AQI
24AQI
25AQI
23AQI
19AQI
13AQI
13AQI
14AQI
16AQI
16AQI
20AQI
19AQI
21AQI
34AQI
39AQI
46AQI
46AQI
45AQI
50AQI
59AQI
76AQI
76AQI
74AQI
56AQI
49AQI
53AQI
49AQI
40AQI
39AQI
40AQI
40AQI
36AQI
31AQI
31AQI
34AQI
34AQI
39AQI
42AQI
38AQI
36AQI
33AQI
34AQI
39AQI
32AQI
35AQI
34AQI
42AQI
46AQI
54AQI
28AQI
27AQI
29AQI
20AQI
21AQI
21AQI
44AQI
44AQI
No. of days
202528AQI
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
April20AQI
202427AQI
Highest AQI recorded in
June33AQI
Lowest AQI recorded in
September22AQI
202326AQI
Highest AQI recorded in
April33AQI
Lowest AQI recorded in
August18AQI
202225AQI
Highest AQI recorded in
May32AQI
Lowest AQI recorded in
August13AQI
202121AQI
Highest AQI recorded in
June33AQI
Lowest AQI recorded in
January11AQI
202029AQI
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
December12AQI
Most & Least Polluted Years Over the Last 6 Years
Sagamihara's annual 2025 AQI (28) shows an average percentage change of 8.6% (worsened AQI) compared to previous years: 2020 (29), 2021 (21), 2022 (25), 2023 (26), 2024 (27).