• October 11, 2026
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Last updated on October 1st, 2026 at 09:46 am

Air Quality Chiba Prefecture

Chiba Prefecture AQI – Detailed Air Quality

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

Today’s Air Quality Index (AQI)
Real-time PM2.5, PM10 air pollution level in Chiba City, Chiba Capital
4:42 AM, October 11, 2026
Last updated on: 4:42 AM
Live AQI 47
Air Quality is Good
PM₂.₅: 9.39µg/m³ PM₁₀: 23.34µg/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
47
Min at 4:00 AM on Oct 10
77
Max at 2:00 PM on Oct 11, 2026

Chiba Prefecture Historical Air Quality Data

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

Chiba City, Chiba Capital Historical Air Quality Data

Explore historical AQI data and pollutant changes over time.
Oct 11, 2026 4:42 AM
SUNMONTUEWEDTHUFRISAT
30
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 21 µg/m3
SO₂ 12 µg/m3
NO₂ 17 µg/m3
O₃ 55 µg/m3
CO 145 µg/m3
AQI Hourly Forecast Graph
34
Min at 1:00 AM on Aug 30
69
Max at 9:00 PM on Aug 30, 2026
31
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 18 µg/m3
SO₂ 7 µg/m3
NO₂ 10 µg/m3
O₃ 71 µg/m3
CO 140 µg/m3
AQI Hourly Forecast Graph
25
Min at 12:00 AM on Aug 31
66
Max at 1:00 AM on Aug 31, 2026
01
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 10 µg/m3
SO₂ 4 µg/m3
NO₂ 3 µg/m3
O₃ 81 µg/m3
CO 122 µg/m3
AQI Hourly Forecast Graph
14
Min at 3:00 PM on Sep 1
27
Max at 6:00 AM on Sep 1, 2026
02
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 5 µg/m3
NO₂ 2 µg/m3
O₃ 68 µg/m3
CO 106 µg/m3
AQI Hourly Forecast Graph
16
Min at 1:00 AM on Sep 2
20
Max at 5:00 AM on Sep 2, 2026
03
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 4 µg/m3
NO₂ 2 µg/m3
O₃ 52 µg/m3
CO 98 µg/m3
AQI Hourly Forecast Graph
13
Min at 5:00 AM on Sep 3
25
Max at 12:00 AM on Sep 3, 2026
04
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 13 µg/m3
SO₂ 8 µg/m3
NO₂ 15 µg/m3
O₃ 55 µg/m3
CO 139 µg/m3
AQI Hourly Forecast Graph
13
Min at 12:00 AM on Sep 4
92
Max at 8:00 AM on Sep 4, 2026
05
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 5 µg/m3
SO₂ 3 µg/m3
NO₂ 5 µg/m3
O₃ 77 µg/m3
CO 133 µg/m3
AQI Hourly Forecast Graph
10
Min at 6:00 AM on Sep 5
14
Max at 1:00 PM on Sep 5, 2026
06
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 9 µg/m3
SO₂ 1 µg/m3
NO₂ 2 µg/m3
O₃ 62 µg/m3
CO 136 µg/m3
AQI Hourly Forecast Graph
11
Min at 2:00 AM on Sep 6
24
Max at 12:00 AM on Sep 6, 2026
07
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 11 µg/m3
SO₂ 2 µg/m3
NO₂ 1 µg/m3
O₃ 54 µg/m3
CO 164 µg/m3
AQI Hourly Forecast Graph
21
Min at 4:00 AM on Sep 7
32
Max at 5:00 PM on Sep 7, 2026
08
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 17 µg/m3
SO₂ 2 µg/m3
NO₂ 1 µg/m3
O₃ 54 µg/m3
CO 196 µg/m3
AQI Hourly Forecast Graph
23
Min at 12:00 PM on Sep 8
36
Max at 12:00 AM on Sep 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 16 µg/m3
SO₂ 3 µg/m3
NO₂ 4 µg/m3
O₃ 70 µg/m3
CO 169 µg/m3
AQI Hourly Forecast Graph
16
Min at 10:00 PM on Sep 9
52
Max at 10:00 AM on Sep 9, 2026
10
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 7 µg/m3
SO₂ 5 µg/m3
NO₂ 10 µg/m3
O₃ 67 µg/m3
CO 226 µg/m3
AQI Hourly Forecast Graph
15
Min at 2:00 AM on Sep 10
20
Max at 8:00 PM on Sep 10, 2026
11
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 18 µg/m3
O₃ 40 µg/m3
CO 196 µg/m3
AQI Hourly Forecast Graph
20
Min at 3:00 PM on Sep 11
28
Max at 7:00 AM on Sep 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 9 µg/m3
SO₂ 6 µg/m3
NO₂ 11 µg/m3
O₃ 64 µg/m3
CO 222 µg/m3
AQI Hourly Forecast Graph
22
Min at 1:00 AM on Sep 12
28
Max at 6:00 AM on Sep 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 9 µg/m3
SO₂ 5 µg/m3
NO₂ 4 µg/m3
O₃ 54 µg/m3
CO 132 µg/m3
AQI Hourly Forecast Graph
10
Min at 5:00 PM on Sep 13
54
Max at 7:00 AM on Sep 13, 2026
14
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 6 µg/m3
SO₂ 3 µg/m3
NO₂ 1 µg/m3
O₃ 64 µg/m3
CO 97 µg/m3
AQI Hourly Forecast Graph
6
Min at 2:00 PM on Sep 14
15
Max at 2:00 AM on Sep 14, 2026
15
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 4 µg/m3
SO₂ 4 µg/m3
NO₂ 3 µg/m3
O₃ 48 µg/m3
CO 95 µg/m3
AQI Hourly Forecast Graph
9
Min at 1:00 AM on Sep 15
16
Max at 12:00 AM on Sep 15, 2026
16
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 5 µg/m3
NO₂ 13 µg/m3
O₃ 59 µg/m3
CO 141 µg/m3
AQI Hourly Forecast Graph
14
Min at 7:00 PM on Sep 16
29
Max at 4:00 AM on Sep 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 14 µg/m3
SO₂ 4 µg/m3
NO₂ 7 µg/m3
O₃ 90 µg/m3
CO 141 µg/m3
AQI Hourly Forecast Graph
19
Min at 1:00 AM on Sep 17
25
Max at 4:00 AM on Sep 17, 2026
18
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 5 µg/m3
NO₂ 10 µg/m3
O₃ 77 µg/m3
CO 140 µg/m3
AQI Hourly Forecast Graph
19
Min at 11:00 PM on Sep 18
30
Max at 12:00 PM on Sep 18, 2026
19
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 10 µg/m3
SO₂ 4 µg/m3
NO₂ 8 µg/m3
O₃ 77 µg/m3
CO 141 µg/m3
AQI Hourly Forecast Graph
14
Min at 5:00 AM on Sep 19
23
Max at 1:00 PM on Sep 19, 2026
20
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 11 µg/m3
SO₂ 2 µg/m3
NO₂ 5 µg/m3
O₃ 57 µg/m3
CO 129 µg/m3
AQI Hourly Forecast Graph
11
Min at 5:00 AM on Sep 20
59
Max at 12:00 AM on Sep 20, 2026
21
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 17 µg/m3
SO₂ 3 µg/m3
NO₂ 6 µg/m3
O₃ 56 µg/m3
CO 129 µg/m3
AQI Hourly Forecast Graph
15
Min at 1:00 PM on Sep 21
60
Max at 1:00 AM on Sep 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 17 µg/m3
SO₂ 5 µg/m3
NO₂ 3 µg/m3
O₃ 97 µg/m3
CO 118 µg/m3
AQI Hourly Forecast Graph
25
Min at 9:00 PM on Sep 22
60
Max at 6:00 AM on Sep 22, 2026
23
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 5 µg/m3
NO₂ 7 µg/m3
O₃ 84 µg/m3
CO 121 µg/m3
AQI Hourly Forecast Graph
22
Min at 12:00 PM on Sep 23
51
Max at 12:00 AM on Sep 23, 2026
24
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 19 µg/m3
SO₂ 10 µg/m3
NO₂ 6 µg/m3
O₃ 112 µg/m3
CO 145 µg/m3
AQI Hourly Forecast Graph
35
Min at 12:00 AM on Sep 24
95
Max at 6:00 AM on Sep 24, 2026
25
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 11 µg/m3
SO₂ 3 µg/m3
NO₂ 2 µg/m3
O₃ 109 µg/m3
CO 124 µg/m3
AQI Hourly Forecast Graph
23
Min at 8:00 AM on Sep 25
44
Max at 10:00 PM on Sep 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 7 µg/m3
SO₂ 6 µg/m3
NO₂ 13 µg/m3
O₃ 76 µg/m3
CO 142 µg/m3
AQI Hourly Forecast Graph
18
Min at 11:00 AM on Sep 26
45
Max at 2:00 AM on Sep 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 8 µg/m3
SO₂ 7 µg/m3
NO₂ 10 µg/m3
O₃ 69 µg/m3
CO 138 µg/m3
AQI Hourly Forecast Graph
14
Min at 11:00 PM on Sep 27
34
Max at 4:00 PM on Sep 27, 2026
28
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 8 µg/m3
SO₂ 2 µg/m3
NO₂ 2 µg/m3
O₃ 40 µg/m3
CO 104 µg/m3
AQI Hourly Forecast Graph
13
Min at 2:00 AM on Sep 28
19
Max at 7:00 AM on Sep 28, 2026
29
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 4 µg/m3
NO₂ 13 µg/m3
O₃ 63 µg/m3
CO 156 µg/m3
AQI Hourly Forecast Graph
9
Min at 11:00 PM on Sep 29
33
Max at 7:00 AM on Sep 29, 2026
30
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 9 µg/m3
SO₂ 4 µg/m3
NO₂ 10 µg/m3
O₃ 82 µg/m3
CO 142 µg/m3
AQI Hourly Forecast Graph
10
Min at 1:00 AM on Sep 30
28
Max at 12:00 AM on Sep 30, 2026
01
71
Moderate
PM2.5: 16
AQI
71
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 16 µg/m3
PM₁₀ 26 µg/m3
SO₂ 9 µg/m3
NO₂ 7 µg/m3
O₃ 133 µg/m3
CO 162 µg/m3
AQI Hourly Forecast Graph
29
Min at 1:00 AM on Oct 1
97
Max at 8:00 AM on Oct 1, 2026
02
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 4 µg/m3
NO₂ 5 µg/m3
O₃ 98 µg/m3
CO 156 µg/m3
AQI Hourly Forecast Graph
19
Min at 12:00 AM on Oct 2
78
Max at 2:00 AM on Oct 2, 2026
03
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 14 µg/m3
SO₂ 3 µg/m3
NO₂ 3 µg/m3
O₃ 95 µg/m3
CO 148 µg/m3
AQI Hourly Forecast Graph
18
Min at 1:00 AM on Oct 3
22
Max at 7:00 AM on Oct 3, 2026

Chiba Prefecture Historical Weather Data

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

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

Chiba City, Chiba CapitalOct 10, 2026
weather image
21 °C | °F
Sunny
Max 24 °
Min 19 °
Humidity 68 %
Wind 67 Km/h
Visibility 10 km
UV Index 3.3
Sunrise 5:41 AM
Sunset 5:11 PM
Moonrise 4:52 AM
Moonset 4:38 PM
Snow 0 mm/h
Rain Chance 0%
Historical Weather from WeatherAPI

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