Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
65
*
PM10
116
O3
0.6
CO
13
SO2
43
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 May
132
Lightly
Sat
18 May
112
Lightly
Sun
19 May
111
Lightly
Mon
20 May
89
Good
Tue
21 May
97
Good
Wed
22 May
95
Good
Thu
23 May
97
Good
Air quality in the last 12 months (Haian)
|
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
|
|
2023/11
|
70
|
56
|
67
|
38
|
30
|
38
|
54
|
59
|
83
|
31
|
32
|
42
|
40
|
68
|
93
|
94
|
84
|
49
|
67
|
88
|
101
|
87
|
126
|
42
|
32
|
49
|
106
|
84
|
68
|
30
|
|
|
2023/10
|
34
|
27
|
26
|
38
|
42
|
34
|
23
|
31
|
51
|
53
|
44
|
41
|
38
|
69
|
71
|
76
|
57
|
68
|
62
|
32
|
46
|
55
|
53
|
55
|
67
|
99
|
57
|
37
|
49
|
48
|
62
|
|
2023/09
|
36
|
43
|
36
|
23
|
17
|
24
|
40
|
37
|
33
|
37
|
38
|
28
|
27
|
27
|
23
|
25
|
32
|
49
|
45
|
30
|
30
|
29
|
27
|
27
|
30
|
32
|
48
|
52
|
53
|
31
|
|
|
2023/08
|
19
|
21
|
21
|
20
|
22
|
31
|
26
|
34
|
32
|
43
|
68
|
87
|
66
|
26
|
28
|
37
|
37
|
34
|
29
|
28
|
33
|
32
|
35
|
44
|
38
|
34
|
29
|
21
|
28
|
32
|
33
|
|
2023/07
|
36
|
31
|
38
|
38
|
56
|
41
|
28
|
31
|
34
|
24
|
50
|
55
|
49
|
50
|
42
|
43
|
22
|
14
|
17
|
15
|
33
|
24
|
31
|
45
|
47
|
21
|
16
|
12
|
16
|
21
|
23
|
|
2023/06
|
29
|
58
|
43
|
42
|
33
|
39
|
78
|
74
|
79
|
70
|
37
|
36
|
34
|
59
|
59
|
55
|
36
|
24
|
20
|
29
|
65
|
73
|
66
|
31
|
26
|
26
|
38
|
44
|
35
|
27
|
|
|
2023/05
|
82
|
61
|
40
|
31
|
18
|
39
|
32
|
42
|
46
|
43
|
44
|
66
|
88
|
85
|
71
|
81
|
32
|
29
|
32
|
41
|
43
|
87
|
77
|
54
|
60
|
55
|
41
|
49
|
31
|
19
|
25
|
|
2023/04
|
55
|
59
|
66
|
30
|
36
|
60
|
70
|
62
|
64
|
67
|
233
|
204
|
115
|
91
|
67
|
62
|
78
|
76
|
41
|
33
|
56
|
65
|
73
|
42
|
48
|
59
|
62
|
56
|
76
|
66
|
|
|
2023/03
|
129
|
89
|
51
|
76
|
75
|
82
|
94
|
102
|
97
|
111
|
77
|
77
|
64
|
67
|
105
|
70
|
29
|
37
|
47
|
72
|
35
|
37
|
139
|
86
|
57
|
66
|
97
|
101
|
71
|
81
|
62
|
|
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