Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
64
O3
0.4
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Sep
58
Good
Fri
12 Sep
69
Good
Sat
13 Sep
63
Good
Sun
14 Sep
67
Good
Mon
15 Sep
61
Good
Tue
16 Sep
64
Good
Wed
17 Sep
44
Excellent
Haifeng Air quality rank
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