Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
30
PM2.5
53
*
PM10
48
O3
0.7
CO
11
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
25 Apr
74
Good
Sun
26 Apr
106
Light
Mon
27 Apr
106
Light
Tue
28 Apr
59
Good
Wed
29 Apr
75
Good
Thu
30 Apr
74
Good
Fri
1 May
22
Excellent
Air quality in the last 12 months (Haian)
|
2026/03
|
28
|
26
|
53
|
27
|
43
|
49
|
43
|
31
|
47
|
49
|
48
|
50
|
55
|
53
|
43
|
61
|
56
|
41
|
57
|
66
|
50
|
63
|
51
|
56
|
75
|
76
|
54
|
72
|
71
|
43
|
63
|
|
2026/02
|
72
|
94
|
81
|
83
|
144
|
58
|
36
|
39
|
49
|
60
|
104
|
133
|
123
|
112
|
111
|
41
|
62
|
98
|
100
|
60
|
63
|
121
|
63
|
27
|
56
|
26
|
18
|
44
|
|||
|
2026/01
|
24
|
32
|
59
|
100
|
123
|
113
|
64
|
94
|
89
|
95
|
54
|
58
|
101
|
115
|
142
|
203
|
85
|
37
|
22
|
24
|
40
|
52
|
80
|
114
|
66
|
21
|
60
|
49
|
39
|
31
|
29
|
|
2025/12
|
91
|
42
|
31
|
52
|
60
|
80
|
90
|
71
|
58
|
43
|
80
|
23
|
36
|
72
|
72
|
95
|
109
|
60
|
69
|
127
|
33
|
31
|
32
|
74
|
43
|
27
|
40
|
91
|
121
|
79
|
26
|
|
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
|
|
|
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