Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
15
PM2.5
66
*
PM10
111
O3
0.4
CO
6
SO2
9
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Apr
74
Good
Fri
25 Apr
73
Good
Sat
26 Apr
98
Good
Sun
27 Apr
65
Good
Mon
28 Apr
83
Good
Tue
29 Apr
100
Good
Wed
30 Apr
28
Excellent
Air quality in the last 12 months (Haian)
|
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
|
|
2024/11
|
16
|
55
|
65
|
60
|
40
|
36
|
32
|
29
|
35
|
42
|
46
|
53
|
44
|
42
|
43
|
28
|
31
|
29
|
26
|
42
|
59
|
69
|
38
|
31
|
22
|
40
|
68
|
68
|
52
|
67
|
|
|
2024/10
|
17
|
26
|
19
|
28
|
23
|
11
|
12
|
35
|
36
|
61
|
75
|
67
|
28
|
28
|
60
|
46
|
30
|
34
|
25
|
27
|
15
|
28
|
37
|
37
|
35
|
23
|
28
|
39
|
37
|
35
|
31
|
|
2024/09
|
36
|
36
|
18
|
23
|
26
|
23
|
31
|
23
|
16
|
23
|
12
|
21
|
20
|
26
|
23
|
18
|
18
|
17
|
18
|
9
|
14
|
22
|
27
|
29
|
29
|
22
|
32
|
27
|
33
|
33
|
|
|
2024/08
|
31
|
28
|
39
|
40
|
35
|
27
|
38
|
32
|
31
|
45
|
49
|
46
|
37
|
19
|
19
|
25
|
25
|
19
|
17
|
20
|
24
|
43
|
45
|
28
|
20
|
21
|
23
|
22
|
17
|
22
|
22
|
|
2024/07
|
21
|
23
|
27
|
30
|
31
|
31
|
28
|
31
|
34
|
21
|
39
|
34
|
17
|
18
|
38
|
53
|
42
|
25
|
39
|
37
|
30
|
37
|
36
|
23
|
20
|
22
|
22
|
20
|
22
|
26
|
29
|
|
2024/06
|
41
|
41
|
55
|
37
|
29
|
24
|
30
|
35
|
48
|
47
|
27
|
20
|
39
|
34
|
28
|
33
|
19
|
31
|
19
|
21
|
32
|
18
|
34
|
44
|
55
|
30
|
16
|
23
|
16
|
15
|
|
|
2024/05
|
38
|
41
|
30
|
34
|
26
|
51
|
51
|
45
|
43
|
43
|
49
|
95
|
89
|
62
|
53
|
50
|
56
|
46
|
30
|
25
|
22
|
33
|
32
|
25
|
27
|
37
|
21
|
30
|
32
|
29
|
39
|
|
2024/04
|
72
|
31
|
29
|
55
|
47
|
47
|
41
|
51
|
66
|
59
|
52
|
29
|
17
|
24
|
33
|
55
|
92
|
84
|
92
|
25
|
23
|
26
|
41
|
59
|
53
|
32
|
15
|
15
|
24
|
46
|
|
|
2024/03
|
50
|
62
|
76
|
47
|
27
|
61
|
65
|
86
|
94
|
62
|
71
|
97
|
62
|
64
|
47
|
54
|
72
|
48
|
89
|
85
|
62
|
74
|
69
|
38
|
22
|
47
|
60
|
57
|
64
|
79
|
84
|
|
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