Air Quality
Excellent
No health implications.
4
PM2.5
11
PM10
31
O3
0.2
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Aug
46
Excellent
Sat
22 Aug
49
Excellent
Sun
23 Aug
57
Good
Mon
24 Aug
61
Good
Tue
25 Aug
69
Good
Wed
26 Aug
66
Good
Thu
27 Aug
50
Excellent
Air quality in the last 12 months (Haian)
|
2026/07
|
33
|
49
|
29
|
26
|
15
|
20
|
33
|
27
|
31
|
31
|
28
|
27
|
22
|
32
|
45
|
36
|
39
|
27
|
26
|
24
|
26
|
25
|
32
|
40
|
40
|
29
|
33
|
24
|
39
|
41
|
49
|
|
2026/06
|
55
|
53
|
53
|
58
|
38
|
35
|
35
|
34
|
35
|
66
|
70
|
79
|
55
|
35
|
30
|
30
|
25
|
23
|
20
|
27
|
33
|
32
|
28
|
26
|
28
|
43
|
37
|
56
|
33
|
27
|
|
|
2026/05
|
60
|
50
|
39
|
38
|
55
|
51
|
44
|
31
|
43
|
47
|
53
|
42
|
42
|
27
|
31
|
33
|
32
|
38
|
36
|
29
|
31
|
39
|
58
|
23
|
26
|
22
|
29
|
42
|
46
|
57
|
64
|
|
2026/04
|
110
|
109
|
54
|
53
|
81
|
69
|
34
|
37
|
31
|
46
|
55
|
35
|
34
|
33
|
42
|
44
|
37
|
34
|
37
|
42
|
76
|
28
|
34
|
46
|
50
|
69
|
74
|
38
|
32
|
50
|
|
|
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
|
|
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