Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
28
PM2.5
197
*
PM10
71
O3
0.3
CO
6
SO2
12
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
10 Jan
106
Light
Sun
11 Jan
59
Good
Mon
12 Jan
73
Good
Tue
13 Jan
89
Good
Wed
14 Jan
99
Good
Thu
15 Jan
104
Light
Fri
16 Jan
26
Excellent
Air quality in the last 12 months (Haian)
|
2025/11
|
153
|
99
|
34
|
35
|
36
|
44
|
43
|
18
|
32
|
51
|
33
|
44
|
60
|
81
|
67
|
49
|
38
|
41
|
57
|
66
|
97
|
152
|
150
|
113
|
88
|
68
|
177
|
128
|
111
|
100
|
|
|
2025/10
|
43
|
35
|
18
|
23
|
29
|
43
|
23
|
19
|
21
|
32
|
44
|
61
|
36
|
16
|
32
|
17
|
18
|
16
|
24
|
26
|
20
|
24
|
29
|
35
|
40
|
35
|
46
|
36
|
28
|
29
|
25
|
|
2025/09
|
22
|
13
|
27
|
33
|
29
|
34
|
35
|
28
|
19
|
24
|
24
|
30
|
18
|
35
|
25
|
42
|
27
|
17
|
24
|
20
|
26
|
21
|
25
|
13
|
9
|
20
|
18
|
29
|
26
|
36
|
|
|
2025/08
|
20
|
16
|
16
|
17
|
22
|
37
|
25
|
26
|
32
|
12
|
10
|
18
|
27
|
21
|
17
|
23
|
33
|
24
|
25
|
30
|
32
|
39
|
47
|
39
|
27
|
23
|
27
|
26
|
26
|
20
|
22
|
|
2025/07
|
31
|
34
|
39
|
42
|
47
|
45
|
31
|
14
|
20
|
44
|
32
|
27
|
32
|
28
|
45
|
50
|
27
|
19
|
20
|
22
|
20
|
18
|
16
|
20
|
23
|
17
|
16
|
18
|
18
|
10
|
14
|
|
2025/06
|
23
|
8
|
44
|
67
|
61
|
54
|
39
|
17
|
17
|
25
|
18
|
22
|
18
|
25
|
25
|
40
|
42
|
50
|
38
|
23
|
16
|
19
|
18
|
21
|
47
|
52
|
29
|
26
|
25
|
36
|
|
|
2025/05
|
54
|
58
|
51
|
32
|
30
|
66
|
63
|
44
|
14
|
34
|
43
|
56
|
55
|
52
|
68
|
22
|
60
|
57
|
62
|
54
|
29
|
37
|
29
|
49
|
52
|
51
|
49
|
43
|
50
|
60
|
73
|
|
2025/04
|
50
|
65
|
50
|
55
|
65
|
63
|
85
|
78
|
88
|
65
|
70
|
114
|
87
|
59
|
53
|
61
|
62
|
71
|
59
|
37
|
43
|
39
|
58
|
72
|
53
|
50
|
43
|
39
|
60
|
62
|
|
|
2025/03
|
67
|
67
|
20
|
12
|
36
|
39
|
59
|
76
|
63
|
41
|
73
|
59
|
46
|
43
|
33
|
45
|
52
|
40
|
51
|
69
|
59
|
63
|
74
|
77
|
93
|
86
|
103
|
44
|
83
|
38
|
43
|
|
2025/02
|
26
|
69
|
82
|
56
|
64
|
39
|
53
|
32
|
45
|
64
|
42
|
85
|
66
|
53
|
101
|
137
|
62
|
50
|
43
|
31
|
32
|
54
|
50
|
70
|
100
|
134
|
151
|
104
|
|||
|
2025/01
|
71
|
48
|
58
|
48
|
98
|
93
|
64
|
66
|
36
|
38
|
71
|
88
|
100
|
118
|
51
|
64
|
88
|
87
|
123
|
173
|
107
|
43
|
32
|
30
|
32
|
45
|
58
|
73
|
163
|
64
|
53
|
|
2024/12
|
82
|
96
|
49
|
39
|
91
|
134
|
139
|
37
|
51
|
43
|
67
|
46
|
74
|
55
|
65
|
73
|
97
|
61
|
35
|
63
|
86
|
46
|
51
|
71
|
98
|
112
|
57
|
58
|
79
|
96
|
73
|
|
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