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Air Quality Niigata Prefecture

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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
6:09 AM, November 6, 2026
Last updated on: 6:09 AM
Live AQI 27
Air Quality is Good
PM₂.₅: 5.32µg/m³ PM₁₀: 5.66µg/m³
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+
Air Quality Hourly Forecast
6
Min at 5:00 AM on Nov 6
37
Max at 5:00 PM on Nov 6, 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.
Nov 6, 2026 6:09 AM
SUNMONTUEWEDTHUFRISAT
27
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 7 µg/m3
NO₂ 4 µg/m3
O₃ 33 µg/m3
CO 138 µg/m3
AQI Hourly Forecast Graph
60
Min at 12:00 PM on Sep 27
79
Max at 1:00 AM on Sep 27, 2026
28
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 7 µg/m3
SO₂ 4 µg/m3
NO₂ 5 µg/m3
O₃ 23 µg/m3
CO 157 µg/m3
AQI Hourly Forecast Graph
25
Min at 9:00 AM on Sep 28
59
Max at 1:00 AM on Sep 28, 2026
29
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 5 µg/m3
O₃ 28 µg/m3
CO 151 µg/m3
AQI Hourly Forecast Graph
24
Min at 6:00 AM on Sep 29
52
Max at 12:00 AM on Sep 29, 2026
30
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 19 µg/m3
SO₂ 7 µg/m3
NO₂ 6 µg/m3
O₃ 38 µg/m3
CO 162 µg/m3
AQI Hourly Forecast Graph
55
Min at 1:00 AM on Sep 30
90
Max at 12:00 AM on Sep 30, 2026
01
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 15 µg/m3
SO₂ 5 µg/m3
NO₂ 4 µg/m3
O₃ 55 µg/m3
CO 147 µg/m3
AQI Hourly Forecast Graph
26
Min at 10:00 PM on Oct 1
101
Max at 2:00 AM on Oct 1, 2026
02
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 59 µg/m3
CO 148 µg/m3
AQI Hourly Forecast Graph
23
Min at 1:00 PM on Oct 2
30
Max at 4:00 AM on Oct 2, 2026
03
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 3 µg/m3
O₃ 61 µg/m3
CO 146 µg/m3
AQI Hourly Forecast Graph
24
Min at 1:00 AM on Oct 3
48
Max at 12:00 AM on Oct 3, 2026
04
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 1 µg/m3
SO₂ 0 µg/m3
NO₂ 0 µg/m3
O₃ 2 µg/m3
CO 6 µg/m3
AQI Hourly Forecast Graph
53
Min at 1:00 AM on Oct 4
53
Max at 1:00 AM on Oct 4, 2026
05
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 19 µg/m3
SO₂ 11 µg/m3
NO₂ 6 µg/m3
O₃ 45 µg/m3
CO 148 µg/m3
AQI Hourly Forecast Graph
57
Min at 4:00 AM on Oct 5
97
Max at 7:00 PM on Oct 5, 2026
06
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 5 µg/m3
NO₂ 3 µg/m3
O₃ 75 µg/m3
CO 159 µg/m3
AQI Hourly Forecast Graph
10
Min at 7:00 PM on Oct 6
73
Max at 1:00 AM on Oct 6, 2026
07
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 6 µg/m3
NO₂ 4 µg/m3
O₃ 66 µg/m3
CO 133 µg/m3
AQI Hourly Forecast Graph
14
Min at 1:00 AM on Oct 7
53
Max at 12:00 AM on Oct 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 22 µg/m3
SO₂ 15 µg/m3
NO₂ 6 µg/m3
O₃ 66 µg/m3
CO 145 µg/m3
AQI Hourly Forecast Graph
52
Min at 2:00 AM on Oct 8
107
Max at 11:00 PM on Oct 8, 2026
09
123
Poor
PM2.5: 36
AQI
123
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 36 µg/m3
PM₁₀ 40 µg/m3
SO₂ 19 µg/m3
NO₂ 6 µg/m3
O₃ 75 µg/m3
CO 159 µg/m3
AQI Hourly Forecast Graph
91
Min at 6:00 AM on Oct 9
168
Max at 11:00 PM on Oct 9, 2026
10
132
Poor
PM2.5: 41
AQI
132
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 41 µg/m3
PM₁₀ 44 µg/m3
SO₂ 13 µg/m3
NO₂ 5 µg/m3
O₃ 71 µg/m3
CO 152 µg/m3
AQI Hourly Forecast Graph
114
Min at 7:00 AM on Oct 10
162
Max at 1:00 AM on Oct 10, 2026
11
103
Poor
PM2.5: 26
AQI
103
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 26 µg/m3
PM₁₀ 29 µg/m3
SO₂ 12 µg/m3
NO₂ 5 µg/m3
O₃ 71 µg/m3
CO 134 µg/m3
AQI Hourly Forecast Graph
77
Min at 7:00 AM on Oct 11
140
Max at 1:00 AM on Oct 11, 2026
12
130
Poor
PM2.5: 40
AQI
130
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 40 µg/m3
PM₁₀ 42 µg/m3
SO₂ 13 µg/m3
NO₂ 5 µg/m3
O₃ 65 µg/m3
CO 145 µg/m3
AQI Hourly Forecast Graph
113
Min at 9:00 AM on Oct 12
164
Max at 12:00 AM on Oct 12, 2026
13
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 36 µg/m3
SO₂ 10 µg/m3
NO₂ 4 µg/m3
O₃ 67 µg/m3
CO 141 µg/m3
AQI Hourly Forecast Graph
60
Min at 12:00 AM on Oct 13
168
Max at 1:00 AM on Oct 13, 2026
14
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 4 µg/m3
NO₂ 3 µg/m3
O₃ 67 µg/m3
CO 137 µg/m3
AQI Hourly Forecast Graph
18
Min at 4:00 PM on Oct 14
51
Max at 1:00 AM on Oct 14, 2026
15
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 11 µg/m3
SO₂ 6 µg/m3
NO₂ 5 µg/m3
O₃ 53 µg/m3
CO 145 µg/m3
AQI Hourly Forecast Graph
21
Min at 1:00 AM on Oct 15
63
Max at 12:00 AM on Oct 15, 2026
16
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 5 µg/m3
NO₂ 5 µg/m3
O₃ 62 µg/m3
CO 164 µg/m3
AQI Hourly Forecast Graph
33
Min at 8:00 AM on Oct 16
65
Max at 1:00 AM on Oct 16, 2026
17
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 11 µg/m3
NO₂ 5 µg/m3
O₃ 57 µg/m3
CO 153 µg/m3
AQI Hourly Forecast Graph
25
Min at 7:00 AM on Oct 17
55
Max at 12:00 AM on Oct 17, 2026
18
100
Moderate
PM2.5: 25
AQI
100
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 25 µg/m3
PM₁₀ 30 µg/m3
SO₂ 13 µg/m3
NO₂ 4 µg/m3
O₃ 74 µg/m3
CO 159 µg/m3
AQI Hourly Forecast Graph
57
Min at 1:00 AM on Oct 18
116
Max at 2:00 PM on Oct 18, 2026
19
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 7 µg/m3
NO₂ 6 µg/m3
O₃ 44 µg/m3
CO 143 µg/m3
AQI Hourly Forecast Graph
27
Min at 7:00 PM on Oct 19
64
Max at 1:00 AM on Oct 19, 2026
20
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 5 µg/m3
SO₂ 5 µg/m3
NO₂ 6 µg/m3
O₃ 32 µg/m3
CO 149 µg/m3
AQI Hourly Forecast Graph
15
Min at 7:00 AM on Oct 20
28
Max at 1:00 AM on Oct 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 4 µg/m3
SO₂ 4 µg/m3
NO₂ 3 µg/m3
O₃ 57 µg/m3
CO 135 µg/m3
AQI Hourly Forecast Graph
7
Min at 7:00 AM on Oct 21
28
Max at 3:00 PM on Oct 21, 2026
22
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 4 µg/m3
NO₂ 5 µg/m3
O₃ 45 µg/m3
CO 159 µg/m3
AQI Hourly Forecast Graph
7
Min at 2:00 AM on Oct 22
23
Max at 12:00 AM on Oct 22, 2026
23
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 20 µg/m3
SO₂ 10 µg/m3
NO₂ 6 µg/m3
O₃ 52 µg/m3
CO 177 µg/m3
AQI Hourly Forecast Graph
25
Min at 1:00 AM on Oct 23
111
Max at 8:00 PM on Oct 23, 2026
24
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 6 µg/m3
NO₂ 5 µg/m3
O₃ 27 µg/m3
CO 171 µg/m3
AQI Hourly Forecast Graph
28
Min at 12:00 AM on Oct 24
91
Max at 1:00 AM on Oct 24, 2026
25
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 5 µg/m3
SO₂ 4 µg/m3
NO₂ 4 µg/m3
O₃ 34 µg/m3
CO 144 µg/m3
AQI Hourly Forecast Graph
16
Min at 7:00 AM on Oct 25
29
Max at 10:00 PM on Oct 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 6 µg/m3
NO₂ 8 µg/m3
O₃ 18 µg/m3
CO 177 µg/m3
AQI Hourly Forecast Graph
30
Min at 1:00 AM on Oct 26
56
Max at 12:00 AM on Oct 26, 2026
27
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 4 µg/m3
NO₂ 3 µg/m3
O₃ 71 µg/m3
CO 137 µg/m3
AQI Hourly Forecast Graph
5
Min at 11:00 PM on Oct 27
58
Max at 1:00 AM on Oct 27, 2026
28
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 3 µg/m3
SO₂ 3 µg/m3
NO₂ 3 µg/m3
O₃ 69 µg/m3
CO 140 µg/m3
AQI Hourly Forecast Graph
5
Min at 1:00 AM on Oct 28
14
Max at 12:00 AM on Oct 28, 2026
29
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 10 µg/m3
NO₂ 7 µg/m3
O₃ 61 µg/m3
CO 164 µg/m3
AQI Hourly Forecast Graph
15
Min at 1:00 AM on Oct 29
55
Max at 4:00 PM on Oct 29, 2026
30
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 4 µg/m3
SO₂ 7 µg/m3
NO₂ 7 µg/m3
O₃ 52 µg/m3
CO 143 µg/m3
AQI Hourly Forecast Graph
11
Min at 6:00 AM on Oct 30
26
Max at 1:00 AM on Oct 30, 2026
31
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 3 µg/m3
NO₂ 2 µg/m3
O₃ 78 µg/m3
CO 162 µg/m3
AQI Hourly Forecast Graph
16
Min at 1:00 AM on Oct 31
28
Max at 9:00 AM on Oct 31, 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 CapitalNov 5, 2026
weather image
16 °C | °F
Overcast
Max 19 °
Min 13 °
Humidity 80 %
Wind 78 Km/h
Visibility 9 km
UV Index 0.2
Sunrise 6:13 AM
Sunset 4:41 PM
Moonrise 1:31 AM
Moonset 2:14 PM
Moon Phase 13
Precipitation 14.69 mm
Snow 0 mm/h
Rain Chance 100%
Historical Weather from WeatherAPI

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