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Air Quality Niigata Prefecture

ByPaul (Poison Fish) Manjyu Woodman

Aug 29, 2026 #Air Quality, #Air Quality Niigata Prefecture, #Niigata, #Niigata Prefecture, #Niigata Prefecture Air Quality, #Prefecture
Air Quality Niigata PrefectureAir Quality Niigata Prefecture

Air Quality Niigata Prefecture

Niigata Prefecture AQI – Detailed Air Quality

Display current air quality index and forecast for the upcoming days in Niigata Prefecture.

Today’s Air Quality Index (AQI)
Real-time PM2.5, PM10 air pollution level in Niigata City, Niigata Capital
2:04 AM, September 18, 2026
Last updated on: 1:57 AM
Live AQI 51
Air Quality is Moderate
PM₂.₅: 10.07µg/m³ PM₁₀: 10.6µg/m³
Moderate The air quality is generally acceptable for most people. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+
Air Quality Hourly Forecast
37
Min at 12:00 AM on Sep 18
61
Max at 9:00 AM on Sep 18, 2026

Niigata Prefecture Historical Air Quality Data

Display historical AQI data calendar by selecting a specific date and location Niigata Prefecture.

Niigata City, Niigata Capital Historical Air Quality Data

Explore historical AQI data and pollutant changes over time.
Sep 18, 2026 2:04 AM
SUNMONTUEWEDTHUFRISAT
02
67
Moderate
PM2.5: 15
AQI
67
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 15 µg/m3
PM₁₀ 18 µg/m3
SO₂ 4 µg/m3
NO₂ 3 µg/m3
O₃ 50 µg/m3
CO 171 µg/m3
AQI Hourly Forecast Graph
60
Min at 5:00 PM on Aug 2
81
Max at 2:00 AM on Aug 2, 2026
03
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 11 µg/m3
SO₂ 7 µg/m3
NO₂ 4 µg/m3
O₃ 42 µg/m3
CO 144 µg/m3
AQI Hourly Forecast Graph
37
Min at 4:00 PM on Aug 3
71
Max at 2:00 AM on Aug 3, 2026
04
58
Moderate
PM2.5: 12
AQI
58
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 12 µg/m3
PM₁₀ 13 µg/m3
SO₂ 6 µg/m3
NO₂ 3 µg/m3
O₃ 46 µg/m3
CO 123 µg/m3
AQI Hourly Forecast Graph
49
Min at 1:00 PM on Aug 4
72
Max at 12:00 AM on Aug 4, 2026
05
93
Moderate
PM2.5: 23
AQI
93
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 23 µg/m3
PM₁₀ 25 µg/m3
SO₂ 8 µg/m3
NO₂ 2 µg/m3
O₃ 66 µg/m3
CO 118 µg/m3
AQI Hourly Forecast Graph
79
Min at 1:00 AM on Aug 5
107
Max at 12:00 AM on Aug 5, 2026
06
67
Moderate
PM2.5: 15
AQI
67
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 15 µg/m3
PM₁₀ 16 µg/m3
SO₂ 7 µg/m3
NO₂ 3 µg/m3
O₃ 48 µg/m3
CO 101 µg/m3
AQI Hourly Forecast Graph
55
Min at 7:00 AM on Aug 6
112
Max at 1:00 AM on Aug 6, 2026
07
64
Moderate
PM2.5: 14
AQI
64
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 14 µg/m3
PM₁₀ 15 µg/m3
SO₂ 5 µg/m3
NO₂ 3 µg/m3
O₃ 36 µg/m3
CO 101 µg/m3
AQI Hourly Forecast Graph
57
Min at 3:00 AM on Aug 7
82
Max at 12:00 AM on Aug 7, 2026
08
74
Moderate
PM2.5: 17
AQI
74
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 17 µg/m3
PM₁₀ 17 µg/m3
SO₂ 5 µg/m3
NO₂ 3 µg/m3
O₃ 37 µg/m3
CO 101 µg/m3
AQI Hourly Forecast Graph
70
Min at 4:00 AM on Aug 8
86
Max at 1:00 AM on Aug 8, 2026
09
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 9 µg/m3
SO₂ 3 µg/m3
NO₂ 3 µg/m3
O₃ 37 µg/m3
CO 104 µg/m3
AQI Hourly Forecast Graph
26
Min at 2:00 PM on Aug 9
72
Max at 1:00 AM on Aug 9, 2026
10
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 4 µg/m3
NO₂ 3 µg/m3
O₃ 52 µg/m3
CO 105 µg/m3
AQI Hourly Forecast Graph
19
Min at 8:00 AM on Aug 10
50
Max at 1:00 AM on Aug 10, 2026
11
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 3 µg/m3
SO₂ 3 µg/m3
NO₂ 3 µg/m3
O₃ 54 µg/m3
CO 99 µg/m3
AQI Hourly Forecast Graph
5
Min at 5:00 PM on Aug 11
33
Max at 1:00 AM on Aug 11, 2026
12
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 2 µg/m3
PM₁₀ 2 µg/m3
SO₂ 4 µg/m3
NO₂ 4 µg/m3
O₃ 48 µg/m3
CO 101 µg/m3
AQI Hourly Forecast Graph
5
Min at 2:00 AM on Aug 12
18
Max at 12:00 AM on Aug 12, 2026
13
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 4 µg/m3
SO₂ 5 µg/m3
NO₂ 3 µg/m3
O₃ 28 µg/m3
CO 88 µg/m3
AQI Hourly Forecast Graph
13
Min at 2:00 AM on Aug 13
28
Max at 12:00 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 6 µg/m3
SO₂ 6 µg/m3
NO₂ 3 µg/m3
O₃ 25 µg/m3
CO 88 µg/m3
AQI Hourly Forecast Graph
20
Min at 3:00 AM on Aug 14
46
Max at 12:00 AM 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 6 µg/m3
SO₂ 5 µg/m3
NO₂ 3 µg/m3
O₃ 27 µg/m3
CO 85 µg/m3
AQI Hourly Forecast Graph
19
Min at 6:00 AM on Aug 15
46
Max at 1:00 AM on Aug 15, 2026
16
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 8 µg/m3
SO₂ 6 µg/m3
NO₂ 2 µg/m3
O₃ 40 µg/m3
CO 89 µg/m3
AQI Hourly Forecast Graph
27
Min at 10:00 AM on Aug 16
54
Max at 2:00 AM on Aug 16, 2026
17
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 9 µg/m3
SO₂ 6 µg/m3
NO₂ 4 µg/m3
O₃ 38 µg/m3
CO 103 µg/m3
AQI Hourly Forecast Graph
32
Min at 3:00 AM on Aug 17
61
Max at 11:00 PM on Aug 17, 2026
18
61
Moderate
PM2.5: 13
AQI
61
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 13 µg/m3
PM₁₀ 14 µg/m3
SO₂ 5 µg/m3
NO₂ 4 µg/m3
O₃ 42 µg/m3
CO 109 µg/m3
AQI Hourly Forecast Graph
52
Min at 3:00 AM on Aug 18
77
Max at 12:00 AM on Aug 18, 2026
19
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 19 µg/m3
SO₂ 5 µg/m3
NO₂ 3 µg/m3
O₃ 55 µg/m3
CO 108 µg/m3
AQI Hourly Forecast Graph
70
Min at 9:00 AM on Aug 19
90
Max at 2:00 AM on Aug 19, 2026
20
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 11 µg/m3
SO₂ 5 µg/m3
NO₂ 4 µg/m3
O₃ 40 µg/m3
CO 103 µg/m3
AQI Hourly Forecast Graph
41
Min at 3:00 PM on Aug 20
77
Max at 1:00 AM on Aug 20, 2026
21
58
Moderate
PM2.5: 12
AQI
58
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 12 µg/m3
PM₁₀ 12 µg/m3
SO₂ 5 µg/m3
NO₂ 4 µg/m3
O₃ 32 µg/m3
CO 110 µg/m3
AQI Hourly Forecast Graph
47
Min at 2:00 PM on Aug 21
71
Max at 12:00 AM on Aug 21, 2026
22
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 8 µg/m3
SO₂ 4 µg/m3
NO₂ 3 µg/m3
O₃ 35 µg/m3
CO 102 µg/m3
AQI Hourly Forecast Graph
20
Min at 7:00 AM on Aug 22
71
Max at 1:00 AM on Aug 22, 2026
23
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 8 µg/m3
SO₂ 5 µg/m3
NO₂ 3 µg/m3
O₃ 33 µg/m3
CO 107 µg/m3
AQI Hourly Forecast Graph
22
Min at 7:00 AM on Aug 23
57
Max at 2:00 AM on Aug 23, 2026
24
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 9 µg/m3
SO₂ 7 µg/m3
NO₂ 4 µg/m3
O₃ 35 µg/m3
CO 108 µg/m3
AQI Hourly Forecast Graph
35
Min at 6:00 AM on Aug 24
57
Max at 12:00 AM on Aug 24, 2026
25
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 1 µg/m3
PM₁₀ 1 µg/m3
SO₂ 0 µg/m3
NO₂ 0 µg/m3
O₃ 1 µg/m3
CO 5 µg/m3
AQI Hourly Forecast Graph
60
Min at 1:00 AM on Aug 25
60
Max at 1:00 AM on Aug 25, 2026
26
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 9 µg/m3
SO₂ 4 µg/m3
NO₂ 3 µg/m3
O₃ 44 µg/m3
CO 101 µg/m3
AQI Hourly Forecast Graph
33
Min at 7:00 AM on Aug 26
56
Max at 2:00 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 5 µg/m3
AQI Hourly Forecast Graph
49
Min at 1:00 AM on Aug 27
49
Max at 1:00 AM on Aug 27, 2026
29
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 9 µg/m3
SO₂ 5 µg/m3
NO₂ 4 µg/m3
O₃ 16 µg/m3
CO 120 µg/m3
AQI Hourly Forecast Graph
38
Min at 8:00 AM on Aug 29
57
Max at 10:00 PM on Aug 29, 2026
30
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 11 µg/m3
SO₂ 7 µg/m3
NO₂ 4 µg/m3
O₃ 19 µg/m3
CO 123 µg/m3
AQI Hourly Forecast Graph
40
Min at 2:00 PM on Aug 30
69
Max at 12:00 AM on Aug 30, 2026
31
64
Moderate
PM2.5: 14
AQI
64
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 14 µg/m3
PM₁₀ 14 µg/m3
SO₂ 6 µg/m3
NO₂ 4 µg/m3
O₃ 36 µg/m3
CO 137 µg/m3
AQI Hourly Forecast Graph
58
Min at 7:00 PM on Aug 31
70
Max at 4:00 AM on Aug 31, 2026
01
74
Moderate
PM2.5: 17
AQI
74
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 17 µg/m3
PM₁₀ 18 µg/m3
SO₂ 6 µg/m3
NO₂ 4 µg/m3
O₃ 36 µg/m3
CO 145 µg/m3
AQI Hourly Forecast Graph
64
Min at 1:00 AM on Sep 1
81
Max at 4:00 AM on Sep 1, 2026
02
61
Moderate
PM2.5: 13
AQI
61
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 13 µg/m3
PM₁₀ 14 µg/m3
SO₂ 6 µg/m3
NO₂ 3 µg/m3
O₃ 48 µg/m3
CO 127 µg/m3
AQI Hourly Forecast Graph
50
Min at 7:00 AM on Sep 2
68
Max at 1:00 AM on Sep 2, 2026
03
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 10 µg/m3
SO₂ 4 µg/m3
NO₂ 4 µg/m3
O₃ 21 µg/m3
CO 134 µg/m3
AQI Hourly Forecast Graph
33
Min at 5:00 PM on Sep 3
64
Max at 1:00 AM on Sep 3, 2026
04
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 10 µg/m3
SO₂ 6 µg/m3
NO₂ 4 µg/m3
O₃ 31 µg/m3
CO 129 µg/m3
AQI Hourly Forecast Graph
41
Min at 6:00 AM on Sep 4
52
Max at 11:00 PM on Sep 4, 2026
05
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 8 µg/m3
SO₂ 6 µg/m3
NO₂ 3 µg/m3
O₃ 54 µg/m3
CO 145 µg/m3
AQI Hourly Forecast Graph
15
Min at 12:00 AM on Sep 5
48
Max at 1:00 AM on Sep 5, 2026

Niigata Prefecture Historical Weather Data

Display historical weather data by selecting a specific date and location Niigata Prefecture.

Display historical weather data by selecting a specific date and location Niigata Prefecture.

Niigata City, Niigata CapitalSep 17, 2026
weather image
22 °C | °F
Sunny
Max 24 °
Min 21 °
Humidity 76 %
Wind 91 Km/h
Visibility 10 km
UV Index 5.6
Sunrise 5:27 AM
Sunset 5:49 PM
Moonrise 11:59 AM
Moonset 9:08 PM
Moon Phase 42
Precipitation 0.29 mm
Snow 0 mm/h
Rain Chance 100%
Historical Weather from WeatherAPI

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