Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
25
PM2.5
58
*
PM10
39
O3
0.7
CO
6
SO2
32
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Dec
61
Good
Sat
28 Dec
81
Good
Sun
29 Dec
96
Good
Mon
30 Dec
95
Good
Tue
31 Dec
96
Good
Wed
1 Jan
43
Excellent
Thu
2 Jan
26
Excellent
Air quality in the last 12 months (Haian)
|
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
|
|
2024/02
|
28
|
25
|
27
|
39
|
58
|
67
|
74
|
127
|
183
|
238
|
183
|
104
|
62
|
98
|
56
|
31
|
41
|
39
|
38
|
25
|
19
|
31
|
38
|
61
|
99
|
90
|
52
|
42
|
33
|
||
|
2024/01
|
95
|
69
|
101
|
149
|
163
|
146
|
57
|
41
|
106
|
85
|
112
|
163
|
211
|
168
|
33
|
32
|
48
|
38
|
53
|
59
|
55
|
40
|
33
|
44
|
75
|
98
|
120
|
122
|
131
|
59
|
30
|
|
2023/12
|
48
|
74
|
95
|
122
|
144
|
126
|
121
|
75
|
109
|
49
|
21
|
44
|
55
|
64
|
26
|
44
|
25
|
32
|
40
|
61
|
38
|
41
|
51
|
83
|
96
|
142
|
104
|
79
|
87
|
146
|
215
|
|
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