Air Quality
Excellent
No health implications.
6
PM2.5
11
PM10
31
O3
0.4
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Oct
31
Excellent
Thu
16 Oct
29
Excellent
Fri
17 Oct
30
Excellent
Sat
18 Oct
41
Excellent
Sun
19 Oct
48
Excellent
Mon
20 Oct
49
Excellent
Tue
21 Oct
43
Excellent
Haitang Air quality rank
Air quality in the last 12 months (Haitang)
|
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
|
|
2024/12
|
37
|
32
|
31
|
30
|
34
|
39
|
42
|
45
|
32
|
30
|
24
|
32
|
21
|
30
|
52
|
45
|
39
|
44
|
49
|
47
|
48
|
48
|
35
|
43
|
31
|
24
|
27
|
48
|
57
|
45
|
47
|
|
2024/11
|
35
|
37
|
14
|
15
|
37
|
39
|
32
|
49
|
42
|
28
|
28
|
31
|
38
|
33
|
24
|
28
|
21
|
23
|
30
|
15
|
16
|
25
|
23
|
19
|
27
|
32
|
28
|
37
|
45
|
39
|
|
|
2024/10
|
19
|
29
|
36
|
41
|
39
|
31
|
18
|
45
|
55
|
41
|
29
|
30
|
27
|
18
|
14
|
13
|
14
|
15
|
17
|
22
|
26
|
33
|
34
|
34
|
37
|
23
|
32
|
20
|
10
|
11
|
25
|
|
2024/09
|
12
|
13
|
15
|
21
|
25
|
12
|
21
|
29
|
24
|
17
|
14
|
13
|
20
|
12
|
17
|
19
|
17
|
18
|
16
|
12
|
19
|
13
|
8
|
14
|
17
|
15
|
16
|
15
|
14
|
12
|
|
|
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