Air Quality
Excellent
No health implications.
16
PM2.5
44
PM10
24
O3
0.4
CO
3
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Oct
49
Excellent
Tue
28 Oct
91
Good
Wed
29 Oct
67
Good
Thu
30 Oct
81
Good
Fri
31 Oct
103
Light
Sat
1 Nov
26
Excellent
Sun
2 Nov
29
Excellent
Jiutai Air quality rank
Air quality in the last 12 months (Jiutai)
|
2025/08
|
27
|
32
|
17
|
19
|
24
|
19
|
18
|
34
|
24
|
18
|
31
|
35
|
28
|
24
|
41
|
28
|
20
|
33
|
33
|
29
|
29
|
17
|
28
|
23
|
27
|
21
|
30
|
20
|
22
|
33
|
33
|
|
2025/07
|
20
|
21
|
21
|
19
|
29
|
15
|
23
|
36
|
43
|
38
|
35
|
41
|
20
|
26
|
24
|
17
|
23
|
26
|
23
|
18
|
17
|
26
|
23
|
19
|
27
|
37
|
18
|
24
|
23
|
12
|
18
|
|
2025/06
|
24
|
48
|
20
|
25
|
26
|
32
|
28
|
31
|
30
|
20
|
17
|
31
|
34
|
33
|
35
|
24
|
34
|
36
|
28
|
18
|
14
|
21
|
35
|
49
|
51
|
38
|
51
|
42
|
38
|
31
|
|
|
2025/05
|
29
|
25
|
25
|
24
|
38
|
29
|
49
|
49
|
44
|
37
|
46
|
58
|
56
|
51
|
52
|
34
|
23
|
36
|
29
|
35
|
46
|
45
|
38
|
32
|
37
|
43
|
49
|
51
|
52
|
56
|
55
|
|
2025/04
|
82
|
63
|
76
|
71
|
39
|
63
|
55
|
71
|
85
|
122
|
109
|
40
|
18
|
24
|
26
|
35
|
73
|
42
|
31
|
65
|
93
|
23
|
35
|
69
|
25
|
55
|
44
|
54
|
69
|
49
|
|
|
2025/03
|
46
|
34
|
56
|
47
|
60
|
70
|
62
|
73
|
110
|
102
|
78
|
118
|
43
|
41
|
43
|
61
|
79
|
61
|
80
|
96
|
87
|
122
|
137
|
101
|
147
|
77
|
45
|
22
|
27
|
36
|
74
|
|
2025/02
|
118
|
140
|
80
|
64
|
68
|
70
|
46
|
34
|
56
|
84
|
92
|
66
|
60
|
60
|
75
|
38
|
33
|
35
|
42
|
43
|
47
|
54
|
51
|
45
|
97
|
60
|
80
|
109
|
|||
|
2025/01
|
46
|
39
|
36
|
74
|
104
|
113
|
84
|
59
|
65
|
78
|
109
|
126
|
103
|
78
|
43
|
45
|
45
|
63
|
82
|
156
|
157
|
117
|
115
|
123
|
142
|
128
|
82
|
67
|
81
|
50
|
80
|
|
2024/12
|
53
|
19
|
24
|
28
|
32
|
46
|
46
|
48
|
71
|
71
|
44
|
64
|
89
|
43
|
32
|
42
|
56
|
58
|
67
|
93
|
82
|
44
|
60
|
42
|
55
|
36
|
37
|
40
|
52
|
58
|
47
|
|
2024/11
|
71
|
76
|
94
|
31
|
25
|
42
|
71
|
91
|
74
|
55
|
107
|
60
|
76
|
49
|
59
|
51
|
56
|
95
|
67
|
69
|
101
|
61
|
118
|
84
|
66
|
56
|
27
|
52
|
31
|
54
|
|
|
2024/10
|
25
|
26
|
30
|
35
|
46
|
38
|
44
|
49
|
45
|
24
|
31
|
49
|
57
|
49
|
19
|
32
|
59
|
43
|
27
|
37
|
31
|
38
|
51
|
62
|
77
|
119
|
51
|
45
|
55
|
85
|
74
|
|
2024/09
|
16
|
20
|
27
|
27
|
17
|
19
|
26
|
31
|
33
|
21
|
28
|
28
|
31
|
21
|
29
|
27
|
36
|
40
|
33
|
23
|
30
|
40
|
36
|
36
|
30
|
45
|
46
|
44
|
39
|
23
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution