Air Quality
Excellent
No health implications.
10
PM2.5
26
PM10
70
O3
0.3
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Dec
52
Good
Sat
13 Dec
50
Excellent
Sun
14 Dec
59
Good
Mon
15 Dec
67
Good
Tue
16 Dec
84
Good
Wed
17 Dec
94
Good
Thu
18 Dec
31
Excellent
Haian Air quality rank
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