Air Quality
Excellent
No health implications.
15
PM2.5
24
PM10
76
O3
0.3
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Mar
107
Light
Thu
19 Mar
62
Good
Fri
20 Mar
91
Good
Sat
21 Mar
92
Good
Sun
22 Mar
60
Good
Mon
23 Mar
87
Good
Tue
24 Mar
26
Excellent
Air quality in the last 12 months (Jiutai)
|
2026/02
|
80
|
65
|
66
|
93
|
72
|
44
|
60
|
47
|
59
|
96
|
65
|
98
|
129
|
95
|
38
|
44
|
89
|
59
|
44
|
63
|
74
|
175
|
86
|
51
|
85
|
48
|
46
|
51
|
|||
|
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
|
|
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