Air Quality
Excellent
No health implications.
17
PM2.5
31
PM10
42
O3
0.5
CO
5
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Sep
55
Good
Wed
3 Sep
73
Good
Thu
4 Sep
64
Good
Fri
5 Sep
62
Good
Sat
6 Sep
38
Excellent
Sun
7 Sep
41
Excellent
Mon
8 Sep
19
Excellent
Air quality in the last 12 months (Jiutai)
|
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
|
|
|
2024/08
|
15
|
18
|
23
|
26
|
15
|
20
|
30
|
37
|
27
|
31
|
24
|
22
|
23
|
27
|
33
|
37
|
42
|
47
|
23
|
19
|
16
|
14
|
20
|
39
|
26
|
22
|
25
|
30
|
34
|
31
|
22
|
|
2024/07
|
67
|
53
|
21
|
24
|
25
|
28
|
46
|
61
|
56
|
73
|
83
|
80
|
78
|
67
|
59
|
40
|
18
|
25
|
39
|
26
|
29
|
22
|
13
|
23
|
21
|
19
|
14
|
8
|
14
|
20
|
20
|
|
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