Air Quality Saitama Prefecture
Saitama Prefecture AQI – Detailed Air Quality
Display current air quality index and forecast for the upcoming days in Saitama Prefecture.
Today’s Air Quality Index (AQI)
Real-time PM2.5, PM10 air pollution level in Saitama, Saitama Capital
11:59 PM,
September 21, 2026
Last updated on: 11:59 PM
Live AQI
12
Air Quality is
Good
PM₂.₅:
2.4µg/m³
PM₁₀:
3.13µg/m³
Good
Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Air Quality Hourly Forecast
12
Min
at 11:00 PM on Sep 21
76
Max
at 6:00 PM on Sep 22, 2026
Saitama Prefecture Historical Air Quality Data
Display historical AQI data calendar by selecting a specific date and location Saitama Prefecture.
July
September
Saitama, Saitama Capital Historical Air Quality Data
Explore historical AQI data and pollutant changes over time.
Sep 21, 2026
11:59 PM
SUNMONTUEWEDTHUFRISAT
26
138
Poor
PM2.5:
44
AQI
138
Air Quality is
Poor
Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅
44
µg/m3
PM₁₀
48
µg/m3
SO₂
11
µg/m3
NO₂
10
µg/m3
O₃
114
µg/m3
CO
203
µg/m3
AQI Hourly Forecast Graph
125
Min
at 12:00 AM on Jul 26
153
Max
at 6:00 AM on Jul 26, 2026
27
54
Moderate
PM2.5:
11
AQI
54
Air Quality is
Moderate
Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅
11
µg/m3
PM₁₀
16
µg/m3
SO₂
9
µg/m3
NO₂
18
µg/m3
O₃
57
µg/m3
CO
154
µg/m3
AQI Hourly Forecast Graph
27
Min
at 4:00 PM on Jul 27
116
Max
at 1:00 AM on Jul 27, 2026
28
50
Good
PM2.5:
10
AQI
50
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
10
µg/m3
PM₁₀
13
µg/m3
SO₂
4
µg/m3
NO₂
7
µg/m3
O₃
74
µg/m3
CO
150
µg/m3
AQI Hourly Forecast Graph
21
Min
at 11:00 PM on Jul 28
61
Max
at 8:00 AM on Jul 28, 2026
29
50
Good
PM2.5:
10
AQI
50
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
10
µg/m3
PM₁₀
14
µg/m3
SO₂
5
µg/m3
NO₂
5
µg/m3
O₃
101
µg/m3
CO
184
µg/m3
AQI Hourly Forecast Graph
24
Min
at 1:00 AM on Jul 29
60
Max
at 8:00 PM on Jul 29, 2026
30
77
Moderate
PM2.5:
18
AQI
77
Air Quality is
Moderate
Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅
18
µg/m3
PM₁₀
22
µg/m3
SO₂
5
µg/m3
NO₂
6
µg/m3
O₃
102
µg/m3
CO
195
µg/m3
AQI Hourly Forecast Graph
55
Min
at 2:00 AM on Jul 30
129
Max
at 12:00 AM on Jul 30, 2026
31
125
Poor
PM2.5:
37
AQI
125
Air Quality is
Poor
Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅
37
µg/m3
PM₁₀
45
µg/m3
SO₂
9
µg/m3
NO₂
7
µg/m3
O₃
119
µg/m3
CO
196
µg/m3
AQI Hourly Forecast Graph
99
Min
at 1:00 PM on Jul 31
156
Max
at 3:00 AM on Jul 31, 2026
01
121
Poor
PM2.5:
35
AQI
121
Air Quality is
Poor
Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅
35
µg/m3
PM₁₀
42
µg/m3
SO₂
8
µg/m3
NO₂
6
µg/m3
O₃
119
µg/m3
CO
178
µg/m3
AQI Hourly Forecast Graph
106
Min
at 10:00 AM on Aug 1
149
Max
at 2:00 AM on Aug 1, 2026
02
119
Poor
PM2.5:
34
AQI
119
Air Quality is
Poor
Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅
34
µg/m3
PM₁₀
42
µg/m3
SO₂
10
µg/m3
NO₂
12
µg/m3
O₃
105
µg/m3
CO
187
µg/m3
AQI Hourly Forecast Graph
22
Min
at 11:00 PM on Aug 2
189
Max
at 8:00 AM on Aug 2, 2026
03
25
Good
PM2.5:
5
AQI
25
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
5
µg/m3
PM₁₀
15
µg/m3
SO₂
7
µg/m3
NO₂
15
µg/m3
O₃
58
µg/m3
CO
115
µg/m3
AQI Hourly Forecast Graph
21
Min
at 11:00 PM on Aug 3
34
Max
at 7:00 AM on Aug 3, 2026
04
35
Good
PM2.5:
7
AQI
35
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
7
µg/m3
PM₁₀
18
µg/m3
SO₂
8
µg/m3
NO₂
14
µg/m3
O₃
79
µg/m3
CO
117
µg/m3
AQI Hourly Forecast Graph
22
Min
at 1:00 AM on Aug 4
52
Max
at 6:00 AM on Aug 4, 2026
05
45
Good
PM2.5:
9
AQI
45
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
9
µg/m3
PM₁₀
17
µg/m3
SO₂
9
µg/m3
NO₂
18
µg/m3
O₃
61
µg/m3
CO
122
µg/m3
AQI Hourly Forecast Graph
28
Min
at 11:00 AM on Aug 5
56
Max
at 6:00 AM on Aug 5, 2026
06
40
Good
PM2.5:
8
AQI
40
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
8
µg/m3
PM₁₀
14
µg/m3
SO₂
8
µg/m3
NO₂
6
µg/m3
O₃
46
µg/m3
CO
99
µg/m3
AQI Hourly Forecast Graph
18
Min
at 2:00 PM on Aug 6
73
Max
at 6:00 AM on Aug 6, 2026
07
30
Good
PM2.5:
6
AQI
30
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
6
µg/m3
PM₁₀
10
µg/m3
SO₂
7
µg/m3
NO₂
2
µg/m3
O₃
41
µg/m3
CO
79
µg/m3
AQI Hourly Forecast Graph
17
Min
at 2:00 PM on Aug 7
51
Max
at 5:00 AM on Aug 7, 2026
08
40
Good
PM2.5:
8
AQI
40
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
8
µg/m3
PM₁₀
15
µg/m3
SO₂
9
µg/m3
NO₂
2
µg/m3
O₃
54
µg/m3
CO
79
µg/m3
AQI Hourly Forecast Graph
29
Min
at 12:00 PM on Aug 8
68
Max
at 12:00 AM on Aug 8, 2026
09
87
Moderate
PM2.5:
21
AQI
87
Air Quality is
Moderate
Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅
21
µg/m3
PM₁₀
28
µg/m3
SO₂
13
µg/m3
NO₂
15
µg/m3
O₃
57
µg/m3
CO
114
µg/m3
AQI Hourly Forecast Graph
73
Min
at 1:00 AM on Aug 9
97
Max
at 9:00 AM on Aug 9, 2026
10
77
Moderate
PM2.5:
18
AQI
77
Air Quality is
Moderate
Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅
18
µg/m3
PM₁₀
23
µg/m3
SO₂
9
µg/m3
NO₂
14
µg/m3
O₃
95
µg/m3
CO
138
µg/m3
AQI Hourly Forecast Graph
36
Min
at 8:00 PM on Aug 10
117
Max
at 5:00 AM on Aug 10, 2026
11
35
Good
PM2.5:
7
AQI
35
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
7
µg/m3
PM₁₀
11
µg/m3
SO₂
4
µg/m3
NO₂
5
µg/m3
O₃
89
µg/m3
CO
121
µg/m3
AQI Hourly Forecast Graph
15
Min
at 8:00 PM on Aug 11
57
Max
at 5:00 AM on Aug 11, 2026
12
25
Good
PM2.5:
5
AQI
25
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
5
µg/m3
PM₁₀
7
µg/m3
SO₂
6
µg/m3
NO₂
13
µg/m3
O₃
64
µg/m3
CO
115
µg/m3
AQI Hourly Forecast Graph
17
Min
at 9:00 AM on Aug 12
40
Max
at 8:00 PM on Aug 12, 2026
13
25
Good
PM2.5:
5
AQI
25
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
5
µg/m3
PM₁₀
6
µg/m3
SO₂
6
µg/m3
NO₂
24
µg/m3
O₃
26
µg/m3
CO
117
µg/m3
AQI Hourly Forecast Graph
17
Min
at 4:00 AM on Aug 13
30
Max
at 8:00 AM on Aug 13, 2026
14
30
Good
PM2.5:
6
AQI
30
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
6
µg/m3
PM₁₀
7
µg/m3
SO₂
7
µg/m3
NO₂
27
µg/m3
O₃
18
µg/m3
CO
122
µg/m3
AQI Hourly Forecast Graph
21
Min
at 1:00 AM on Aug 14
37
Max
at 10:00 PM on Aug 14, 2026
15
25
Good
PM2.5:
5
AQI
25
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
5
µg/m3
PM₁₀
10
µg/m3
SO₂
5
µg/m3
NO₂
10
µg/m3
O₃
50
µg/m3
CO
91
µg/m3
AQI Hourly Forecast Graph
15
Min
at 10:00 AM on Aug 15
35
Max
at 1:00 AM on Aug 15, 2026
16
25
Good
PM2.5:
5
AQI
25
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
5
µg/m3
PM₁₀
8
µg/m3
SO₂
6
µg/m3
NO₂
14
µg/m3
O₃
48
µg/m3
CO
113
µg/m3
AQI Hourly Forecast Graph
19
Min
at 11:00 AM on Aug 16
30
Max
at 10:00 PM on Aug 16, 2026
17
20
Good
PM2.5:
4
AQI
20
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
4
µg/m3
PM₁₀
6
µg/m3
SO₂
6
µg/m3
NO₂
5
µg/m3
O₃
55
µg/m3
CO
96
µg/m3
AQI Hourly Forecast Graph
9
Min
at 3:00 PM on Aug 17
30
Max
at 3:00 AM on Aug 17, 2026
18
20
Good
PM2.5:
4
AQI
20
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
4
µg/m3
PM₁₀
7
µg/m3
SO₂
7
µg/m3
NO₂
3
µg/m3
O₃
62
µg/m3
CO
92
µg/m3
AQI Hourly Forecast Graph
10
Min
at 11:00 AM on Aug 18
28
Max
at 12:00 AM on Aug 18, 2026
19
30
Good
PM2.5:
6
AQI
30
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
6
µg/m3
PM₁₀
9
µg/m3
SO₂
9
µg/m3
NO₂
2
µg/m3
O₃
71
µg/m3
CO
87
µg/m3
AQI Hourly Forecast Graph
21
Min
at 12:00 PM on Aug 19
39
Max
at 3:00 AM on Aug 19, 2026
20
40
Good
PM2.5:
8
AQI
40
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
8
µg/m3
PM₁₀
11
µg/m3
SO₂
9
µg/m3
NO₂
2
µg/m3
O₃
67
µg/m3
CO
87
µg/m3
AQI Hourly Forecast Graph
28
Min
at 12:00 AM on Aug 20
50
Max
at 6:00 AM on Aug 20, 2026
21
15
Good
PM2.5:
3
AQI
15
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
3
µg/m3
PM₁₀
5
µg/m3
SO₂
3
µg/m3
NO₂
1
µg/m3
O₃
65
µg/m3
CO
86
µg/m3
AQI Hourly Forecast Graph
8
Min
at 1:00 PM on Aug 21
28
Max
at 1:00 AM on Aug 21, 2026
22
30
Good
PM2.5:
6
AQI
30
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
6
µg/m3
PM₁₀
8
µg/m3
SO₂
4
µg/m3
NO₂
8
µg/m3
O₃
59
µg/m3
CO
109
µg/m3
AQI Hourly Forecast Graph
12
Min
at 8:00 AM on Aug 22
92
Max
at 12:00 AM on Aug 22, 2026
23
115
Poor
PM2.5:
32
AQI
115
Air Quality is
Poor
Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅
32
µg/m3
PM₁₀
33
µg/m3
SO₂
12
µg/m3
NO₂
27
µg/m3
O₃
61
µg/m3
CO
197
µg/m3
AQI Hourly Forecast Graph
99
Min
at 1:00 AM on Aug 23
126
Max
at 10:00 AM on Aug 23, 2026
24
80
Moderate
PM2.5:
19
AQI
80
Air Quality is
Moderate
Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅
19
µg/m3
PM₁₀
22
µg/m3
SO₂
5
µg/m3
NO₂
2
µg/m3
O₃
94
µg/m3
CO
119
µg/m3
AQI Hourly Forecast Graph
15
Min
at 12:00 AM on Aug 24
141
Max
at 6:00 AM on Aug 24, 2026
25
0
Good
PM2.5:
0
AQI
0
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
0
µg/m3
PM₁₀
0
µg/m3
SO₂
0
µg/m3
NO₂
0
µg/m3
O₃
3
µg/m3
CO
4
µg/m3
AQI Hourly Forecast Graph
16
Min
at 1:00 AM on Aug 25
16
Max
at 1:00 AM on Aug 25, 2026
26
25
Good
PM2.5:
5
AQI
25
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
5
µg/m3
PM₁₀
13
µg/m3
SO₂
2
µg/m3
NO₂
2
µg/m3
O₃
49
µg/m3
CO
89
µg/m3
AQI Hourly Forecast Graph
18
Min
at 12:00 AM on Aug 26
36
Max
at 4:00 AM on Aug 26, 2026
27
0
Good
PM2.5:
0
AQI
0
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
0
µg/m3
PM₁₀
0
µg/m3
SO₂
0
µg/m3
NO₂
0
µg/m3
O₃
1
µg/m3
CO
4
µg/m3
AQI Hourly Forecast Graph
16
Min
at 1:00 AM on Aug 27
16
Max
at 1:00 AM on Aug 27, 2026
29
35
Good
PM2.5:
7
AQI
35
Air Quality is
Good
Air quality is excellent. No health concerns for any group.
PM₂.₅
7
µg/m3
PM₁₀
10
µg/m3
SO₂
6
µg/m3
NO₂
16
µg/m3
O₃
41
µg/m3
CO
142
µg/m3
AQI Hourly Forecast Graph
21
Min
at 4:00 PM on Aug 29
61
Max
at 5:00 AM on Aug 29, 2026
Saitama Prefecture Historical Weather Data
Display historical weather data by selecting a specific date and location Saitama Prefecture.
Display historical weather data by selecting a specific date and location Saitama Prefecture.
Saitama, Saitama CapitalSep 20, 2026
22
°C
|
°F
Moderate or heavy rain shower
Max
23
°
Min
22
°
|
Humidity
89 %
|
Wind
73 Km/h
|
|
Visibility
10 km
|
UV Index
0.8
|
|
Sunrise
5:27 AM
|
Sunset
5:41 PM
|
|
Moon Phase
73
|
Precipitation
62.35 mm
|
|
Snow
0 mm/h
|
Rain Chance
100%
|
Historical Weather from WeatherAPI
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BANZAI JAPAN Saitama Prefecture Evangelist Riko Ueno Graduation
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- 埼玉県果樹ビジネスプランコンテスト2026を初開催!~果樹農業への新規参入や新規事業のビジネスプランを募集~ September 17, 2026果樹農業に関するビジネスプランコンテストを初開催!2026年11月8日までビジネスプランのエントリー受付中です農林部農業支援課
- 「久喜工業高等学校製作『埼玉県立図書館オリジナルキーホルダー』寄贈に対する感謝状贈呈式」を開催します September 17, 2026 教育局久喜図書館
- 家庭から出る廃プラスチックの資源化を目指すモデル事業~環境科学国際センター及び越谷市内2拠点で回収をスタート~ September 17, 2026 環境部資源循環推進課
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SNA Japan RSS Feed
- Visible Minorities: Kimi Onoda and the Trauma of History September 13, 2026The Cabinet Minister in charge of policy towards “foreigners” is basically removing them from Japan. I see it as the natural outcome of Japan’s legacy of abuse towards its Visible Minorities.Debito Arudou
- Visible Minorities: “Big Garbage Day” and The Purge August 9, 2026It was that regular time of the year in certain parts of Japan that for some foreign residents was better than Christmas: Sodai Gomi no Hi.Debito Arudou
- Visible Minorities: Semiquincentennial vs. Bicentennial July 5, 2026The United States should be celebrating the best of itself on its landmark birthday, like it did fifty years ago. It’s not. But the party is actually elsewhere.Debito Arudou
- Visible Minorities: The Four Worst Words May 28, 2026Because what Japan is doing to its foreign residents is all within character, and everyone should have seen it coming long ago.Debito Arudou
- Visible Minorities: Life Under a Mad King April 7, 2026The world is living under a rogue regime—or rather, a rogue individual—who is wielding unprecedented power.Debito Arudou
- Visible Minorities: Revolution is Due March 1, 2026Democracies happen because of a Middle Class, but you have to keep it fed and watered. America is no longer doing that.Debito Arudou
- Visible Minorities: Confronting AI in Higher Education January 27, 2026Something very bad is happening around me in higher education: Artificial Intelligence (AI).Debito Arudou
- Visible Minorities: Karen Hill Anton’s Willful Ignorance of History December 1, 2025A prominent spokesperson within Japan’s foreign community won’t admit racism happens in Japan unless it rises to the level of racism in America.Debito Arudou
- Hiring Bad Cops November 16, 2025At the outset of his second term, US President Donald Trump shut down a database designed to provide law enforcement agencies with information on the past records of job candidates.Michael Penn
- Visible Minorities: Takaichi’s PM Election Changes My Projections October 8, 2025The recent election of Sanae Takaichi as leader of the LDP probably means Japan’s first woman PM. But this is a huge step back for Japan’s democracy and diversity.Debito Arudou

