Air Quality
Excellent
No health implications.
13
PM2.5
24
PM10
45
O3
0.2
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Mar
30
Excellent
Sun
30 Mar
37
Excellent
Mon
31 Mar
43
Excellent
Tue
1 Apr
41
Excellent
Wed
2 Apr
44
Excellent
Thu
3 Apr
42
Excellent
Fri
4 Apr
19
Excellent
Air quality in the last 12 months (Haitang)
|
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
|
|
|
2024/08
|
22
|
20
|
17
|
18
|
21
|
21
|
18
|
17
|
19
|
23
|
25
|
22
|
20
|
15
|
21
|
19
|
18
|
23
|
21
|
18
|
27
|
21
|
19
|
16
|
18
|
18
|
17
|
19
|
24
|
19
|
14
|
|
2024/07
|
21
|
23
|
21
|
14
|
11
|
15
|
10
|
13
|
18
|
16
|
14
|
12
|
12
|
12
|
23
|
18
|
12
|
13
|
14
|
15
|
13
|
11
|
14
|
22
|
19
|
19
|
22
|
24
|
20
|
17
|
22
|
|
2024/06
|
19
|
22
|
16
|
24
|
27
|
20
|
21
|
15
|
23
|
19
|
28
|
24
|
27
|
22
|
32
|
30
|
28
|
24
|
22
|
22
|
17
|
9
|
9
|
13
|
25
|
18
|
14
|
16
|
16
|
21
|
|
|
2024/05
|
28
|
21
|
19
|
22
|
30
|
24
|
19
|
19
|
27
|
26
|
28
|
27
|
21
|
14
|
18
|
25
|
24
|
17
|
18
|
17
|
15
|
12
|
16
|
17
|
17
|
23
|
28
|
23
|
28
|
15
|
14
|
|
2024/04
|
25
|
29
|
32
|
33
|
28
|
28
|
25
|
25
|
31
|
30
|
32
|
34
|
31
|
31
|
28
|
25
|
25
|
25
|
29
|
32
|
32
|
27
|
25
|
26
|
21
|
32
|
38
|
34
|
25
|
27
|
|
|
2024/03
|
17
|
13
|
17
|
27
|
38
|
43
|
29
|
12
|
33
|
43
|
43
|
27
|
26
|
34
|
43
|
37
|
28
|
29
|
25
|
20
|
44
|
47
|
36
|
33
|
32
|
30
|
36
|
31
|
27
|
23
|
26
|
|
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