Air Quality
Excellent
No health implications.
4
PM2.5
8
PM10
44
O3
0.3
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Sep
39
Excellent
Thu
25 Sep
43
Excellent
Fri
26 Sep
54
Good
Sat
27 Sep
60
Good
Sun
28 Sep
54
Good
Mon
29 Sep
70
Good
Tue
30 Sep
36
Excellent
Air quality in the last 12 months (Haishu)
|
2025/08
|
35
|
29
|
28
|
28
|
20
|
20
|
25
|
35
|
38
|
39
|
40
|
24
|
17
|
15
|
11
|
18
|
19
|
13
|
12
|
23
|
35
|
30
|
24
|
19
|
17
|
22
|
14
|
11
|
11
|
10
|
14
|
|
2025/07
|
11
|
17
|
21
|
21
|
16
|
12
|
12
|
15
|
16
|
25
|
16
|
13
|
18
|
37
|
33
|
32
|
30
|
25
|
13
|
16
|
14
|
14
|
15
|
21
|
18
|
15
|
12
|
13
|
19
|
7
|
18
|
|
2025/06
|
19
|
21
|
24
|
33
|
30
|
29
|
37
|
42
|
30
|
22
|
15
|
20
|
13
|
15
|
12
|
16
|
31
|
33
|
20
|
18
|
21
|
27
|
23
|
23
|
24
|
23
|
28
|
22
|
19
|
11
|
|
|
2025/05
|
42
|
49
|
50
|
35
|
28
|
63
|
67
|
44
|
24
|
35
|
35
|
35
|
29
|
24
|
24
|
21
|
31
|
56
|
20
|
30
|
22
|
34
|
17
|
45
|
42
|
29
|
21
|
25
|
25
|
46
|
38
|
|
2025/04
|
44
|
53
|
56
|
36
|
53
|
77
|
51
|
55
|
54
|
43
|
48
|
153
|
96
|
82
|
51
|
57
|
56
|
53
|
43
|
51
|
38
|
29
|
37
|
56
|
47
|
39
|
29
|
38
|
32
|
32
|
|
|
2025/03
|
31
|
40
|
39
|
17
|
24
|
30
|
48
|
69
|
58
|
32
|
42
|
33
|
27
|
46
|
14
|
42
|
45
|
48
|
50
|
50
|
48
|
48
|
55
|
58
|
66
|
71
|
57
|
54
|
45
|
51
|
34
|
|
2025/02
|
20
|
50
|
67
|
58
|
43
|
44
|
55
|
33
|
40
|
50
|
29
|
69
|
47
|
43
|
54
|
66
|
66
|
36
|
55
|
47
|
26
|
45
|
55
|
92
|
108
|
112
|
85
|
36
|
|||
|
2025/01
|
66
|
65
|
60
|
51
|
76
|
96
|
84
|
81
|
42
|
39
|
65
|
77
|
85
|
72
|
55
|
55
|
68
|
73
|
80
|
124
|
144
|
62
|
44
|
54
|
39
|
45
|
42
|
35
|
85
|
54
|
34
|
|
2024/12
|
64
|
69
|
73
|
50
|
40
|
61
|
104
|
36
|
43
|
52
|
27
|
67
|
51
|
84
|
60
|
57
|
65
|
80
|
36
|
60
|
86
|
67
|
58
|
48
|
66
|
104
|
43
|
58
|
55
|
68
|
87
|
|
2024/11
|
8
|
32
|
53
|
50
|
31
|
27
|
27
|
31
|
28
|
24
|
29
|
38
|
49
|
36
|
27
|
20
|
17
|
24
|
23
|
29
|
43
|
66
|
38
|
38
|
36
|
28
|
43
|
56
|
49
|
50
|
|
|
2024/10
|
22
|
22
|
19
|
21
|
17
|
11
|
10
|
29
|
40
|
52
|
67
|
55
|
39
|
45
|
44
|
30
|
35
|
34
|
30
|
36
|
53
|
37
|
34
|
17
|
28
|
15
|
16
|
39
|
35
|
26
|
18
|
|
2024/09
|
30
|
32
|
29
|
25
|
22
|
33
|
40
|
29
|
29
|
31
|
17
|
25
|
17
|
20
|
19
|
13
|
18
|
21
|
18
|
20
|
20
|
28
|
27
|
37
|
49
|
35
|
25
|
39
|
34
|
19
|
|
|
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