Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
17
PM2.5
336
*
PM10
68
O3
0.3
CO
6
SO2
7
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
22 Feb
112
Light
Mon
23 Feb
103
Light
Tue
24 Feb
81
Good
Wed
25 Feb
83
Good
Thu
26 Feb
61
Good
Fri
27 Feb
60
Good
Sat
28 Feb
16
Excellent
Air quality in the last 12 months (Jiutai)
|
2026/01
|
59
|
59
|
93
|
91
|
52
|
42
|
34
|
45
|
64
|
86
|
60
|
48
|
34
|
44
|
66
|
84
|
51
|
61
|
41
|
48
|
49
|
38
|
36
|
57
|
78
|
89
|
66
|
73
|
80
|
74
|
88
|
|
2025/12
|
70
|
41
|
22
|
40
|
40
|
58
|
54
|
36
|
73
|
82
|
34
|
50
|
93
|
106
|
74
|
66
|
98
|
79
|
56
|
36
|
50
|
43
|
50
|
82
|
45
|
60
|
59
|
85
|
29
|
29
|
44
|
|
2025/11
|
96
|
37
|
45
|
72
|
147
|
96
|
125
|
149
|
38
|
61
|
155
|
106
|
46
|
127
|
161
|
63
|
138
|
54
|
51
|
41
|
62
|
112
|
140
|
334
|
352
|
214
|
52
|
50
|
46
|
61
|
|
|
2025/10
|
46
|
55
|
46
|
40
|
24
|
29
|
35
|
27
|
43
|
52
|
43
|
41
|
148
|
180
|
59
|
63
|
77
|
34
|
25
|
25
|
37
|
53
|
69
|
69
|
85
|
40
|
36
|
70
|
212
|
44
|
65
|
|
2025/09
|
24
|
33
|
34
|
33
|
38
|
19
|
23
|
22
|
27
|
30
|
37
|
40
|
48
|
39
|
15
|
31
|
24
|
31
|
24
|
35
|
35
|
25
|
34
|
23
|
20
|
27
|
33
|
36
|
40
|
45
|
|
|
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
|
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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19
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20
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21
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22
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23
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24
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25
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26
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27
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28
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29
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30
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31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution