Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
75
O3
0.2
CO
2
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
42
Excellent
Tue
13 May
40
Excellent
Wed
14 May
38
Excellent
Thu
15 May
40
Excellent
Fri
16 May
38
Excellent
Sat
17 May
43
Excellent
Sun
18 May
17
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