Air Quality
Excellent
No health implications.
9
PM2.5
12
PM10
35
O3
0.6
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Feb
33
Excellent
Thu
6 Feb
39
Excellent
Fri
7 Feb
33
Excellent
Sat
8 Feb
48
Excellent
Sun
9 Feb
44
Excellent
Mon
10 Feb
49
Excellent
Tue
11 Feb
45
Excellent
Air quality in the last 12 months (Haitang)
|
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
|
|
2024/02
|
23
|
22
|
21
|
20
|
18
|
20
|
22
|
20
|
18
|
29
|
34
|
44
|
43
|
40
|
34
|
31
|
29
|
21
|
26
|
37
|
27
|
28
|
32
|
26
|
27
|
30
|
24
|
27
|
30
|
||
|
2024/01
|
41
|
39
|
41
|
42
|
37
|
37
|
31
|
36
|
36
|
36
|
40
|
43
|
40
|
34
|
35
|
39
|
40
|
32
|
31
|
25
|
35
|
29
|
17
|
20
|
31
|
35
|
33
|
26
|
30
|
26
|
23
|
|
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