Air Quality
Excellent
No health implications.
7
PM2.5
8
PM10
23
O3
0.3
CO
3
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Feb
43
Excellent
Sat
7 Feb
60
Good
Sun
8 Feb
59
Good
Mon
9 Feb
41
Excellent
Tue
10 Feb
40
Excellent
Wed
11 Feb
41
Excellent
Thu
12 Feb
28
Excellent
Haitang Air quality rank
Air quality in the last 12 months (Haitang)
|
2025/12
|
18
|
18
|
23
|
38
|
34
|
42
|
36
|
53
|
52
|
34
|
38
|
32
|
37
|
22
|
30
|
28
|
45
|
51
|
39
|
31
|
29
|
46
|
34
|
33
|
29
|
24
|
40
|
45
|
37
|
31
|
38
|
|
2025/11
|
34
|
27
|
14
|
19
|
21
|
18
|
27
|
22
|
19
|
34
|
38
|
29
|
32
|
34
|
27
|
34
|
35
|
44
|
25
|
34
|
40
|
43
|
36
|
40
|
46
|
49
|
48
|
53
|
46
|
25
|
|
|
2025/10
|
16
|
14
|
15
|
16
|
16
|
15
|
19
|
17
|
22
|
19
|
21
|
13
|
11
|
12
|
16
|
21
|
22
|
25
|
32
|
29
|
12
|
8
|
14
|
19
|
27
|
33
|
23
|
18
|
22
|
19
|
23
|
|
2025/09
|
23
|
18
|
27
|
13
|
12
|
11
|
19
|
19
|
22
|
13
|
6
|
8
|
18
|
12
|
15
|
18
|
21
|
24
|
36
|
34
|
29
|
29
|
30
|
16
|
25
|
14
|
22
|
36
|
35
|
22
|
|
|
2025/08
|
40
|
40
|
39
|
26
|
34
|
47
|
49
|
32
|
24
|
22
|
24
|
24
|
23
|
21
|
14
|
9
|
9
|
7
|
12
|
26
|
25
|
16
|
21
|
34
|
40
|
16
|
20
|
16
|
16
|
48
|
35
|
|
2025/07
|
16
|
12
|
12
|
16
|
14
|
16
|
15
|
19
|
20
|
28
|
27
|
21
|
21
|
21
|
22
|
21
|
19
|
21
|
19
|
18
|
14
|
18
|
21
|
13
|
19
|
20
|
17
|
13
|
16
|
19
|
28
|
|
2025/06
|
20
|
22
|
22
|
21
|
17
|
16
|
18
|
22
|
20
|
21
|
15
|
15
|
22
|
10
|
17
|
19
|
19
|
16
|
17
|
12
|
14
|
11
|
11
|
16
|
11
|
10
|
12
|
11
|
24
|
17
|
|
|
2025/05
|
24
|
20
|
24
|
19
|
16
|
17
|
15
|
14
|
22
|
16
|
17
|
31
|
20
|
12
|
15
|
13
|
15
|
17
|
14
|
18
|
15
|
12
|
11
|
11
|
16
|
19
|
11
|
12
|
14
|
16
|
14
|
|
2025/04
|
19
|
25
|
33
|
32
|
32
|
23
|
27
|
29
|
25
|
26
|
23
|
25
|
52
|
122
|
107
|
104
|
86
|
44
|
27
|
22
|
20
|
21
|
19
|
20
|
21
|
17
|
11
|
19
|
19
|
23
|
|
|
2025/03
|
23
|
19
|
22
|
19
|
19
|
14
|
17
|
19
|
31
|
37
|
35
|
30
|
21
|
16
|
18
|
20
|
19
|
23
|
38
|
48
|
47
|
41
|
38
|
37
|
32
|
24
|
24
|
22
|
21
|
18
|
26
|
|
2025/02
|
28
|
20
|
23
|
22
|
27
|
36
|
39
|
24
|
45
|
46
|
36
|
22
|
32
|
26
|
12
|
17
|
24
|
43
|
51
|
42
|
40
|
29
|
19
|
25
|
29
|
39
|
33
|
28
|
|||
|
2025/01
|
55
|
45
|
48
|
44
|
52
|
60
|
46
|
43
|
47
|
62
|
46
|
53
|
42
|
23
|
33
|
59
|
60
|
51
|
50
|
47
|
40
|
39
|
40
|
33
|
26
|
26
|
26
|
41
|
56
|
45
|
37
|
|
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