Air Quality
Excellent
No health implications.
13
PM2.5
19
PM10
43
O3
0.4
CO
9
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
63
Good
Mon
12 May
60
Good
Tue
13 May
49
Excellent
Wed
14 May
43
Excellent
Thu
15 May
46
Excellent
Fri
16 May
45
Excellent
Sat
17 May
24
Excellent
Air quality in the last 12 months (Xundian)
|
2025/02
|
40
|
52
|
21
|
42
|
52
|
49
|
24
|
37
|
41
|
34
|
37
|
52
|
52
|
59
|
53
|
60
|
34
|
41
|
55
|
46
|
53
|
47
|
50
|
31
|
34
|
31
|
35
|
40
|
|||
|
2025/01
|
40
|
51
|
40
|
46
|
37
|
56
|
39
|
41
|
35
|
26
|
18
|
45
|
46
|
51
|
57
|
78
|
56
|
57
|
64
|
62
|
48
|
53
|
50
|
29
|
37
|
30
|
44
|
50
|
91
|
38
|
35
|
|
2024/12
|
27
|
33
|
31
|
32
|
39
|
36
|
42
|
41
|
23
|
26
|
35
|
34
|
45
|
33
|
45
|
53
|
40
|
27
|
40
|
31
|
43
|
36
|
37
|
40
|
36
|
46
|
56
|
40
|
37
|
38
|
48
|
|
2024/11
|
26
|
28
|
46
|
35
|
39
|
48
|
40
|
25
|
19
|
41
|
31
|
25
|
28
|
38
|
44
|
44
|
49
|
39
|
39
|
43
|
27
|
35
|
22
|
19
|
29
|
33
|
29
|
37
|
27
|
24
|
|
|
2024/10
|
9
|
19
|
31
|
29
|
22
|
28
|
17
|
29
|
25
|
25
|
22
|
22
|
26
|
25
|
26
|
17
|
20
|
34
|
44
|
29
|
22
|
23
|
25
|
41
|
42
|
37
|
38
|
38
|
48
|
44
|
39
|
|
2024/09
|
28
|
24
|
22
|
28
|
23
|
33
|
26
|
12
|
13
|
13
|
19
|
21
|
30
|
34
|
32
|
25
|
20
|
25
|
29
|
34
|
32
|
18
|
25
|
44
|
43
|
37
|
34
|
16
|
20
|
24
|
|
|
2024/08
|
37
|
37
|
29
|
21
|
20
|
18
|
17
|
17
|
14
|
19
|
50
|
46
|
51
|
45
|
40
|
37
|
37
|
38
|
38
|
41
|
37
|
29
|
25
|
29
|
26
|
21
|
24
|
29
|
34
|
36
|
31
|
|
2024/07
|
16
|
23
|
23
|
8
|
12
|
13
|
13
|
13
|
15
|
16
|
12
|
16
|
17
|
17
|
16
|
16
|
20
|
21
|
17
|
18
|
17
|
14
|
23
|
29
|
23
|
33
|
38
|
23
|
22
|
17
|
26
|
|
2024/06
|
34
|
27
|
30
|
29
|
15
|
19
|
16
|
16
|
14
|
17
|
18
|
19
|
18
|
19
|
28
|
22
|
19
|
20
|
26
|
32
|
25
|
25
|
20
|
17
|
17
|
19
|
13
|
11
|
18
|
17
|
|
|
2024/05
|
55
|
51
|
28
|
46
|
45
|
41
|
41
|
30
|
20
|
24
|
32
|
25
|
20
|
35
|
21
|
21
|
33
|
28
|
26
|
22
|
26
|
32
|
30
|
31
|
21
|
13
|
14
|
16
|
17
|
22
|
17
|
|
2024/04
|
30
|
39
|
51
|
50
|
52
|
72
|
58
|
46
|
52
|
52
|
67
|
65
|
46
|
41
|
50
|
60
|
70
|
49
|
43
|
39
|
34
|
47
|
47
|
41
|
44
|
44
|
47
|
57
|
44
|
48
|
|
|
2024/03
|
44
|
47
|
32
|
33
|
28
|
38
|
42
|
52
|
47
|
51
|
29
|
58
|
57
|
51
|
54
|
48
|
59
|
52
|
45
|
57
|
55
|
40
|
24
|
31
|
35
|
44
|
55
|
40
|
45
|
54
|
48
|
|
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