Air Quality
Excellent
No health implications.
4
PM2.5
8
PM10
66
O3
0.7
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Aug
55
Good
Tue
1 Sep
57
Good
Wed
2 Sep
55
Good
Thu
3 Sep
59
Good
Fri
4 Sep
61
Good
Sat
5 Sep
58
Good
Sun
6 Sep
27
Excellent
Air quality in the last 12 months (Haifeng)
|
2026/07
|
19
|
19
|
19
|
19
|
19
|
19
|
16
|
19
|
23
|
26
|
41
|
30
|
21
|
18
|
19
|
17
|
17
|
29
|
26
|
25
|
36
|
38
|
37
|
37
|
30
|
21
|
16
|
16
|
17
|
17
|
20
|
|
2026/06
|
43
|
36
|
29
|
26
|
31
|
26
|
23
|
24
|
20
|
18
|
26
|
37
|
31
|
24
|
18
|
16
|
18
|
16
|
20
|
20
|
18
|
19
|
21
|
29
|
34
|
23
|
24
|
21
|
20
|
17
|
|
|
2026/05
|
30
|
35
|
29
|
27
|
25
|
30
|
32
|
27
|
30
|
35
|
43
|
52
|
26
|
19
|
20
|
26
|
27
|
31
|
32
|
23
|
24
|
27
|
27
|
26
|
25
|
23
|
24
|
25
|
34
|
35
|
48
|
|
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
|
|
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