Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
78
O3
0.5
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 May
63
Good
Sat
9 May
58
Good
Sun
10 May
79
Good
Mon
11 May
66
Good
Tue
12 May
60
Good
Wed
13 May
61
Good
Thu
14 May
30
Excellent
Air quality in the last 12 months (Haifeng)
|
2026/04
|
27
|
31
|
40
|
29
|
26
|
31
|
29
|
32
|
40
|
25
|
26
|
23
|
20
|
21
|
21
|
25
|
25
|
54
|
51
|
41
|
29
|
30
|
24
|
17
|
24
|
42
|
41
|
34
|
25
|
21
|
|
|
2026/03
|
24
|
37
|
17
|
15
|
17
|
22
|
39
|
44
|
39
|
33
|
37
|
44
|
43
|
42
|
45
|
40
|
37
|
39
|
33
|
33
|
39
|
39
|
43
|
38
|
39
|
38
|
40
|
36
|
37
|
35
|
32
|
|
2026/02
|
20
|
26
|
43
|
51
|
48
|
44
|
35
|
29
|
39
|
40
|
34
|
39
|
45
|
35
|
29
|
33
|
46
|
43
|
40
|
48
|
59
|
49
|
58
|
62
|
47
|
27
|
38
|
14
|
|||
|
2026/01
|
47
|
23
|
33
|
47
|
41
|
26
|
39
|
32
|
43
|
50
|
46
|
62
|
64
|
55
|
56
|
50
|
53
|
57
|
60
|
39
|
34
|
31
|
44
|
45
|
39
|
38
|
44
|
40
|
39
|
39
|
28
|
|
2025/12
|
29
|
38
|
46
|
61
|
51
|
46
|
48
|
50
|
50
|
51
|
51
|
46
|
43
|
36
|
39
|
49
|
57
|
53
|
42
|
27
|
66
|
53
|
38
|
44
|
25
|
30
|
40
|
41
|
42
|
42
|
41
|
|
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
|
|
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