Air Quality
Excellent
No health implications.
24
PM2.5
36
PM10
93
O3
0.5
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Dec
80
Good
Mon
8 Dec
55
Good
Tue
9 Dec
59
Good
Wed
10 Dec
59
Good
Thu
11 Dec
56
Good
Fri
12 Dec
55
Good
Sat
13 Dec
50
Excellent
Haifeng Air quality rank
Air quality in the last 12 months (Haifeng)
|
2025/11
|
30
|
41
|
43
|
26
|
18
|
32
|
30
|
32
|
32
|
17
|
23
|
16
|
12
|
25
|
43
|
42
|
41
|
43
|
23
|
33
|
39
|
42
|
55
|
52
|
43
|
60
|
52
|
62
|
70
|
57
|
|
|
2025/10
|
19
|
18
|
19
|
27
|
19
|
19
|
33
|
28
|
32
|
29
|
27
|
22
|
17
|
17
|
27
|
28
|
31
|
34
|
30
|
19
|
11
|
12
|
25
|
30
|
31
|
37
|
48
|
43
|
32
|
40
|
26
|
|
2025/09
|
17
|
17
|
16
|
17
|
15
|
26
|
16
|
18
|
20
|
15
|
14
|
15
|
14
|
13
|
18
|
22
|
25
|
17
|
10
|
14
|
13
|
21
|
15
|
18
|
20
|
23
|
23
|
27
|
22
|
20
|
|
|
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
|
|
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