Air Quality
Excellent
No health implications.
12
PM2.5
19
PM10
26
O3
0.5
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Aug
62
Good
Sat
23 Aug
63
Good
Sun
24 Aug
67
Good
Mon
25 Aug
59
Good
Tue
26 Aug
60
Good
Wed
27 Aug
19
Excellent
Thu
28 Aug
32
Excellent
Air quality in the last 12 months (Haifeng)
|
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
|
|
|
2024/08
|
27
|
24
|
24
|
30
|
28
|
31
|
31
|
27
|
21
|
24
|
25
|
20
|
20
|
19
|
20
|
19
|
16
|
19
|
16
|
19
|
16
|
21
|
23
|
30
|
27
|
26
|
25
|
31
|
32
|
26
|
18
|
|
2024/07
|
22
|
19
|
13
|
17
|
15
|
16
|
12
|
17
|
15
|
13
|
11
|
11
|
11
|
17
|
15
|
13
|
14
|
17
|
19
|
21
|
16
|
16
|
15
|
31
|
32
|
21
|
17
|
9
|
14
|
13
|
14
|
|
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