Air Quality
Excellent
No health implications.
14
PM2.5
20
PM10
50
O3
0.6
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Mar
43
Excellent
Mon
17 Mar
38
Excellent
Tue
18 Mar
35
Excellent
Wed
19 Mar
35
Excellent
Thu
20 Mar
52
Good
Fri
21 Mar
51
Good
Sat
22 Mar
32
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