Air Quality
Excellent
No health implications.
14
PM2.5
22
PM10
41
O3
0.3
CO
3
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 May
37
Excellent
Thu
9 May
33
Excellent
Fri
10 May
33
Excellent
Sat
11 May
33
Excellent
Sun
12 May
32
Excellent
Mon
13 May
35
Excellent
Tue
14 May
41
Excellent
Air quality in the last 12 months (Haitang)
|
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
|
|
2023/12
|
41
|
35
|
37
|
35
|
36
|
32
|
28
|
36
|
31
|
26
|
20
|
23
|
23
|
24
|
21
|
22
|
17
|
25
|
25
|
20
|
26
|
24
|
27
|
43
|
42
|
39
|
31
|
38
|
31
|
25
|
42
|
|
2023/11
|
29
|
21
|
23
|
23
|
21
|
18
|
27
|
18
|
21
|
23
|
19
|
17
|
27
|
25
|
26
|
28
|
37
|
51
|
51
|
48
|
40
|
33
|
32
|
39
|
36
|
48
|
49
|
55
|
34
|
40
|
|
|
2023/10
|
19
|
22
|
21
|
28
|
26
|
25
|
31
|
34
|
30
|
24
|
16
|
22
|
28
|
33
|
38
|
29
|
25
|
20
|
21
|
20
|
19
|
19
|
21
|
17
|
15
|
14
|
16
|
14
|
19
|
28
|
38
|
|
2023/09
|
25
|
30
|
26
|
24
|
26
|
20
|
21
|
18
|
17
|
14
|
16
|
17
|
18
|
20
|
22
|
14
|
14
|
20
|
17
|
16
|
16
|
16
|
14
|
15
|
13
|
18
|
17
|
16
|
20
|
20
|
|
|
2023/08
|
18
|
16
|
16
|
21
|
29
|
34
|
33
|
28
|
28
|
31
|
32
|
31
|
32
|
30
|
26
|
24
|
26
|
21
|
18
|
17
|
16
|
14
|
18
|
17
|
19
|
19
|
21
|
20
|
18
|
17
|
22
|
|
2023/07
|
21
|
19
|
19
|
18
|
21
|
18
|
15
|
15
|
15
|
17
|
17
|
18
|
18
|
24
|
26
|
18
|
24
|
26
|
23
|
22
|
18
|
15
|
15
|
16
|
14
|
19
|
20
|
30
|
28
|
20
|
16
|
|
2023/06
|
24
|
26
|
24
|
20
|
19
|
19
|
20
|
22
|
24
|
24
|
27
|
24
|
25
|
28
|
26
|
26
|
24
|
24
|
21
|
18
|
22
|
24
|
22
|
24
|
23
|
19
|
14
|
16
|
17
|
20
|
|
|
2023/05
|
32
|
27
|
27
|
25
|
27
|
32
|
38
|
30
|
21
|
18
|
19
|
18
|
16
|
20
|
24
|
22
|
33
|
48
|
44
|
33
|
35
|
32
|
32
|
29
|
26
|
22
|
18
|
24
|
32
|
29
|
23
|
|
2023/04
|
26
|
23
|
23
|
26
|
30
|
26
|
31
|
23
|
36
|
42
|
38
|
36
|
38
|
39
|
33
|
32
|
25
|
29
|
38
|
48
|
52
|
46
|
30
|
22
|
27
|
29
|
27
|
23
|
24
|
27
|
|
|
2023/03
|
38
|
47
|
51
|
54
|
59
|
46
|
39
|
33
|
35
|
37
|
37
|
37
|
53
|
52
|
35
|
29
|
31
|
26
|
26
|
23
|
25
|
32
|
29
|
28
|
23
|
21
|
26
|
21
|
23
|
26
|
28
|
|
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