Air Quality
Excellent
No health implications.
25
PM2.5
36
PM10
117
O3
0.4
CO
3
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Mar
50
Excellent
Sun
22 Mar
50
Excellent
Mon
23 Mar
54
Good
Tue
24 Mar
52
Good
Wed
25 Mar
52
Good
Thu
26 Mar
55
Good
Fri
27 Mar
35
Excellent
Air quality in the last 12 months (Xundian)
|
2026/02
|
43
|
40
|
39
|
35
|
40
|
36
|
56
|
37
|
35
|
31
|
31
|
32
|
34
|
30
|
42
|
57
|
98
|
52
|
43
|
32
|
29
|
36
|
38
|
46
|
48
|
41
|
39
|
46
|
|||
|
2026/01
|
47
|
30
|
25
|
24
|
37
|
33
|
46
|
43
|
41
|
41
|
60
|
37
|
46
|
44
|
60
|
32
|
51
|
43
|
41
|
35
|
31
|
50
|
44
|
42
|
39
|
48
|
46
|
47
|
39
|
37
|
45
|
|
2025/12
|
52
|
59
|
59
|
38
|
48
|
46
|
48
|
55
|
43
|
48
|
49
|
36
|
52
|
52
|
37
|
43
|
49
|
39
|
36
|
41
|
42
|
27
|
46
|
44
|
42
|
49
|
56
|
46
|
36
|
36
|
36
|
|
2025/11
|
20
|
14
|
9
|
20
|
21
|
16
|
22
|
24
|
11
|
17
|
23
|
26
|
33
|
31
|
32
|
35
|
39
|
28
|
19
|
32
|
51
|
35
|
37
|
39
|
39
|
55
|
44
|
52
|
54
|
52
|
|
|
2025/10
|
10
|
10
|
16
|
17
|
22
|
20
|
9
|
10
|
12
|
17
|
20
|
21
|
27
|
26
|
25
|
16
|
14
|
18
|
22
|
20
|
13
|
15
|
21
|
30
|
30
|
23
|
21
|
25
|
27
|
34
|
32
|
|
2025/09
|
22
|
24
|
24
|
22
|
22
|
23
|
25
|
25
|
23
|
24
|
16
|
16
|
18
|
13
|
18
|
17
|
17
|
23
|
19
|
27
|
23
|
22
|
14
|
15
|
27
|
12
|
13
|
15
|
11
|
14
|
|
|
2025/08
|
32
|
31
|
31
|
26
|
30
|
29
|
26
|
15
|
18
|
18
|
19
|
18
|
25
|
36
|
30
|
15
|
15
|
20
|
21
|
26
|
17
|
9
|
12
|
16
|
15
|
13
|
14
|
16
|
18
|
16
|
23
|
|
2025/07
|
14
|
10
|
13
|
17
|
16
|
20
|
20
|
16
|
18
|
20
|
18
|
23
|
31
|
33
|
33
|
36
|
30
|
36
|
22
|
26
|
14
|
11
|
12
|
13
|
15
|
15
|
20
|
28
|
42
|
27
|
32
|
|
2025/06
|
14
|
20
|
21
|
25
|
27
|
33
|
36
|
35
|
38
|
30
|
29
|
39
|
48
|
39
|
18
|
27
|
21
|
13
|
13
|
15
|
20
|
12
|
19
|
11
|
11
|
14
|
12
|
13
|
16
|
16
|
|
|
2025/05
|
39
|
34
|
29
|
25
|
35
|
38
|
33
|
27
|
39
|
28
|
25
|
35
|
30
|
36
|
32
|
28
|
30
|
31
|
36
|
30
|
35
|
34
|
50
|
30
|
20
|
19
|
13
|
15
|
15
|
14
|
12
|
|
2025/04
|
48
|
50
|
67
|
78
|
73
|
60
|
61
|
67
|
62
|
68
|
55
|
63
|
83
|
68
|
61
|
31
|
28
|
35
|
37
|
37
|
31
|
35
|
42
|
48
|
41
|
60
|
65
|
41
|
32
|
28
|
|
|
2025/03
|
45
|
46
|
43
|
46
|
53
|
42
|
42
|
57
|
48
|
50
|
50
|
58
|
66
|
71
|
59
|
28
|
21
|
17
|
38
|
43
|
61
|
63
|
59
|
44
|
41
|
41
|
40
|
80
|
87
|
55
|
44
|
|
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