Sapporo, Hokkaido, 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
Sapporo, Hokkaido, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2026
Sapporo, Hokkaido, Japan
4 AM2nd Aug 2026
7 PM
3 AM3rd Aug 2026
28AQI
20AQI
30AQI
26AQI
In the last 24 hours,
Sapporo's AQI reached its highest point of 30 at 10 PM during the Night, while the lowest point, 20, was recorded at 6 AM during the Day between 2nd Aug and 3rd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Sapporo, Hokkaido, Japan
18°C12/24°C
18°C16/19°C
20°C15/24°C
20°C14/26°C
20°C17/25°C
20°C18/24°C
21°C18/25°C
22°C20/25°C
22°C19/24°C
21°C18/23°C
23°C20/28°C
23°C19/27°C
23°C18/29°C
21°C19/23°C
20°C19/21°C
21°C18/25°C
22°C17/27°C
19°C17/22°C
21°C17/27°C
20°C17/24°C
19°C17/21°C
19°C16/22°C
18°C13/23°C
19°C13/24°C
19°C18/20°C
18°C17/19°C
19°C17/21°C
18°C16/22°C
19°C14/25°C
19°C14/26°C
24AQI
22AQI
24AQI
23AQI
2026 Days Vs Air Quality
Sapporo, Hokkaido, Japan
84%
180
16%
35
Total number of days with different AQI categories in last 215 days in 2026 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 215 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
Sapporo, Hokkaido, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
23AQI (US)
15AQI (US)
27AQI (US)
27AQI (US)
31AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
27AQI (US)
19AQI (US)
26AQI (US)
37AQI (US)
33AQI (US)
44AQI (US)
25AQI (US)
37AQI (US)
35AQI (US)
31AQI (US)
15AQI (US)
23AQI (US)
34AQI (US)
32AQI (US)
23AQI (US)
42AQI (US)
34AQI (US)
31AQI (US)
31AQI (US)
41AQI (US)
45AQI (US)
33AQI (US)
39AQI (US)
30AQI (US)
39AQI (US)
34AQI (US)
28AQI (US)
24AQI (US)
27AQI (US)
44AQI (US)
51AQI (US)
67AQI (US)
22AQI (US)
22AQI (US)
64AQI (US)
55AQI (US)
32AQI (US)
23AQI (US)
18AQI (US)
32AQI (US)
35AQI (US)
46AQI (US)
43AQI (US)
35AQI (US)
24AQI (US)
47AQI (US)
39AQI (US)
33AQI (US)
45AQI (US)
39AQI (US)
80AQI (US)
50AQI (US)
63AQI (US)
64AQI (US)
53AQI (US)
47AQI (US)
52AQI (US)
49AQI (US)
54AQI (US)
55AQI (US)
67AQI (US)
46AQI (US)
49AQI (US)
63AQI (US)
44AQI (US)
47AQI (US)
60AQI (US)
46AQI (US)
39AQI (US)
42AQI (US)
70AQI (US)
58AQI (US)
53AQI (US)
42AQI (US)
24AQI (US)
32AQI (US)
51AQI (US)
72AQI (US)
83AQI (US)
60AQI (US)
22AQI (US)
37AQI (US)
55AQI (US)
59AQI (US)
20AQI (US)
22AQI (US)
26AQI (US)
24AQI (US)
40AQI (US)
55AQI (US)
35AQI (US)
28AQI (US)
30AQI (US)
35AQI (US)
38AQI (US)
34AQI (US)
40AQI (US)
36AQI (US)
36AQI (US)
34AQI (US)
46AQI (US)
28AQI (US)
15AQI (US)
30AQI (US)
52AQI (US)
46AQI (US)
42AQI (US)
28AQI (US)
16AQI (US)
38AQI (US)
40AQI (US)
44AQI (US)
46AQI (US)
33AQI (US)
18AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
21AQI (US)
30AQI (US)
29AQI (US)
36AQI (US)
39AQI (US)
31AQI (US)
33AQI (US)
79AQI (US)
67AQI (US)
56AQI (US)
54AQI (US)
64AQI (US)
65AQI (US)
75AQI (US)
69AQI (US)
70AQI (US)
64AQI (US)
46AQI (US)
26AQI (US)
24AQI (US)
16AQI (US)
22AQI (US)
24AQI (US)
27AQI (US)
38AQI (US)
35AQI (US)
20AQI (US)
20AQI (US)
19AQI (US)
20AQI (US)
20AQI (US)
22AQI (US)
21AQI (US)
24AQI (US)
21AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
26AQI (US)
21AQI (US)
20AQI (US)
18AQI (US)
21AQI (US)
21AQI (US)
27AQI (US)
28AQI (US)
31AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
17AQI (US)
20AQI (US)
19AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
21AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
19AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
17AQI (US)
18AQI (US)
17AQI (US)
24AQI (US)
27AQI (US)
29AQI (US)
37AQI (US)
53AQI (US)
35AQI (US)
42AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March53AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
April27AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
July41AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202338AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
September30AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202133AQI (US)
Highest AQI (US) recorded in
February36AQI (US)
Lowest AQI (US) recorded in
April28AQI (US)
202028AQI (US)
Highest AQI (US) recorded in
March38AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sapporo's annual 2026 AQI (US) (35) shows an average percentage change of 5.3% (worsened AQI (US)) compared to previous years: 2020 (28), 2021 (33), 2022 (34), 2023 (38), 2024 (33), 2025 (35).