Air Quality
Excellent
No health implications.
7
PM2.5
18
PM10
34
O3
0.5
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Oct
60
Good
Wed
22 Oct
63
Good
Thu
23 Oct
63
Good
Fri
24 Oct
64
Good
Sat
25 Oct
62
Good
Sun
26 Oct
16
Excellent
Mon
27 Oct
30
Excellent
Air quality in the last 12 months (Haifeng)
|
2025/08
|
27
|
19
|
26
|
13
|
9
|
27
|
22
|
28
|
28
|
13
|
13
|
18
|
27
|
13
|
18
|
24
|
17
|
12
|
13
|
20
|
21
|
23
|
23
|
20
|
18
|
20
|
18
|
20
|
21
|
20
|
17
|
|
2025/07
|
13
|
18
|
25
|
32
|
20
|
19
|
31
|
23
|
22
|
17
|
14
|
29
|
31
|
28
|
26
|
26
|
30
|
23
|
21
|
14
|
15
|
11
|
15
|
22
|
27
|
35
|
28
|
20
|
29
|
31
|
23
|
|
2025/06
|
29
|
27
|
20
|
19
|
29
|
23
|
22
|
16
|
16
|
19
|
14
|
15
|
15
|
30
|
30
|
24
|
11
|
17
|
15
|
15
|
11
|
13
|
13
|
12
|
14
|
14
|
17
|
16
|
14
|
15
|
|
|
2025/05
|
33
|
42
|
50
|
36
|
33
|
23
|
26
|
48
|
32
|
22
|
26
|
32
|
35
|
29
|
22
|
18
|
17
|
15
|
17
|
15
|
17
|
16
|
20
|
20
|
33
|
32
|
42
|
32
|
28
|
15
|
29
|
|
2025/04
|
16
|
26
|
41
|
57
|
30
|
43
|
54
|
59
|
44
|
31
|
31
|
35
|
130
|
120
|
105
|
79
|
60
|
58
|
31
|
30
|
26
|
29
|
29
|
21
|
14
|
17
|
30
|
35
|
33
|
49
|
|
|
2025/03
|
44
|
32
|
22
|
28
|
17
|
11
|
14
|
24
|
36
|
45
|
42
|
34
|
34
|
25
|
25
|
14
|
42
|
40
|
41
|
48
|
51
|
44
|
51
|
53
|
49
|
37
|
27
|
33
|
10
|
7
|
7
|
|
2025/02
|
40
|
34
|
14
|
21
|
49
|
41
|
23
|
47
|
39
|
37
|
41
|
33
|
53
|
58
|
45
|
51
|
55
|
57
|
32
|
38
|
34
|
34
|
25
|
24
|
48
|
52
|
51
|
45
|
|||
|
2025/01
|
61
|
66
|
53
|
52
|
54
|
59
|
58
|
60
|
57
|
51
|
39
|
30
|
48
|
49
|
61
|
73
|
54
|
49
|
56
|
50
|
53
|
51
|
54
|
35
|
27
|
22
|
25
|
41
|
112
|
52
|
44
|
|
2024/12
|
50
|
49
|
46
|
46
|
50
|
61
|
49
|
31
|
40
|
43
|
46
|
27
|
27
|
54
|
42
|
40
|
59
|
51
|
45
|
53
|
42
|
48
|
68
|
51
|
44
|
46
|
65
|
65
|
61
|
66
|
58
|
|
2024/11
|
25
|
17
|
34
|
42
|
40
|
48
|
39
|
32
|
38
|
38
|
51
|
38
|
30
|
18
|
31
|
28
|
21
|
28
|
15
|
8
|
14
|
23
|
33
|
42
|
27
|
16
|
24
|
27
|
31
|
42
|
|
|
2024/10
|
22
|
21
|
29
|
27
|
29
|
43
|
33
|
25
|
28
|
32
|
43
|
43
|
36
|
32
|
35
|
31
|
29
|
34
|
41
|
23
|
30
|
28
|
23
|
28
|
33
|
35
|
39
|
30
|
20
|
32
|
34
|
|
2024/09
|
19
|
22
|
34
|
28
|
24
|
11
|
17
|
10
|
16
|
22
|
31
|
36
|
34
|
23
|
20
|
18
|
26
|
32
|
29
|
22
|
14
|
14
|
9
|
11
|
17
|
25
|
41
|
23
|
26
|
27
|
|
|
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