Morohongo, Saitama, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Morohongo, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 11 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Morohongo, Saitama, Japan
4 AM2nd Jun 2026
6 PM
3 AM3rd Jun 2026
49AQI
19AQI
25AQI
12AQI
In the last 24 hours,
Morohongo's AQI reached its highest point of 49 at 10 AM during the Day, while the lowest point, 12, was recorded at 2 AM during the Night between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Morohongo, Saitama, Japan
16°C11/21°C
17°C12/21°C
21°C15/26°C
22°C18/27°C
18°C14/22°C
17°C13/22°C
18°C13/24°C
19°C16/23°C
20°C15/26°C
19°C15/26°C
19°C14/25°C
20°C14/26°C
22°C15/30°C
23°C17/29°C
24°C18/30°C
24°C19/30°C
20°C16/22°C
14°C12/15°C
14°C12/19°C
18°C15/21°C
22°C16/28°C
22°C18/27°C
23°C18/28°C
24°C20/29°C
24°C20/29°C
23°C17/29°C
24°C20/29°C
25°C19/32°C
23°C19/27°C
17°C16/20°C
48AQI
36AQI
44AQI
35AQI
2026 Days Vs Air Quality
Morohongo, Saitama, Japan
81%
124
19%
30
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2026, 81% of 154 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
Morohongo, Saitama, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI (US)
22AQI (US)
22AQI (US)
27AQI (US)
36AQI (US)
23AQI (US)
34AQI (US)
31AQI (US)
24AQI (US)
41AQI (US)
36AQI (US)
15AQI (US)
28AQI (US)
22AQI (US)
34AQI (US)
47AQI (US)
53AQI (US)
36AQI (US)
60AQI (US)
37AQI (US)
18AQI (US)
24AQI (US)
35AQI (US)
39AQI (US)
45AQI (US)
29AQI (US)
36AQI (US)
27AQI (US)
23AQI (US)
34AQI (US)
35AQI (US)
36AQI (US)
42AQI (US)
31AQI (US)
37AQI (US)
46AQI (US)
44AQI (US)
13AQI (US)
18AQI (US)
37AQI (US)
21AQI (US)
28AQI (US)
25AQI (US)
45AQI (US)
66AQI (US)
62AQI (US)
38AQI (US)
19AQI (US)
33AQI (US)
31AQI (US)
32AQI (US)
42AQI (US)
40AQI (US)
43AQI (US)
41AQI (US)
40AQI (US)
10AQI (US)
27AQI (US)
47AQI (US)
41AQI (US)
82AQI (US)
45AQI (US)
59AQI (US)
59AQI (US)
53AQI (US)
49AQI (US)
45AQI (US)
53AQI (US)
59AQI (US)
60AQI (US)
70AQI (US)
42AQI (US)
37AQI (US)
17AQI (US)
31AQI (US)
57AQI (US)
57AQI (US)
35AQI (US)
33AQI (US)
50AQI (US)
58AQI (US)
55AQI (US)
47AQI (US)
65AQI (US)
24AQI (US)
22AQI (US)
47AQI (US)
57AQI (US)
58AQI (US)
35AQI (US)
17AQI (US)
24AQI (US)
46AQI (US)
54AQI (US)
32AQI (US)
24AQI (US)
44AQI (US)
26AQI (US)
32AQI (US)
49AQI (US)
37AQI (US)
35AQI (US)
36AQI (US)
43AQI (US)
44AQI (US)
33AQI (US)
35AQI (US)
35AQI (US)
40AQI (US)
38AQI (US)
41AQI (US)
48AQI (US)
38AQI (US)
32AQI (US)
46AQI (US)
52AQI (US)
49AQI (US)
42AQI (US)
40AQI (US)
39AQI (US)
48AQI (US)
51AQI (US)
45AQI (US)
30AQI (US)
24AQI (US)
32AQI (US)
34AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
33AQI (US)
37AQI (US)
45AQI (US)
40AQI (US)
37AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
48AQI (US)
62AQI (US)
59AQI (US)
61AQI (US)
55AQI (US)
58AQI (US)
48AQI (US)
40AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
28AQI (US)
30AQI (US)
32AQI (US)
11AQI (US)
32AQI (US)
36AQI (US)
48AQI (US)
38AQI (US)
42AQI (US)
24AQI (US)
No. of days
202639AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202542AQI (US)
Highest AQI (US) recorded in
October51AQI (US)
Lowest AQI (US) recorded in
September35AQI (US)
202344AQI (US)
Highest AQI (US) recorded in
April53AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
June50AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202139AQI (US)
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
December35AQI (US)
202037AQI (US)
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Morohongo's annual 2026 AQI (US) (39) shows an average percentage change of -3.5% (improved AQI (US)) compared to previous years: 2020 (37), 2021 (39), 2022 (41), 2023 (44), 2025 (42).