Air Quality
Excellent
No health implications.
27
PM2.5
39
PM10
151
O3
0.5
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Apr
71
Good
Sat
18 Apr
77
Good
Sun
19 Apr
69
Good
Mon
20 Apr
41
Excellent
Tue
21 Apr
40
Excellent
Wed
22 Apr
48
Excellent
Thu
23 Apr
46
Excellent
Air quality in the last 12 months (Xundian)
|
2026/03
|
52
|
55
|
59
|
39
|
69
|
57
|
71
|
50
|
22
|
34
|
60
|
53
|
39
|
36
|
28
|
35
|
42
|
36
|
43
|
42
|
48
|
50
|
32
|
44
|
61
|
37
|
45
|
55
|
40
|
32
|
32
|
|
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
|
|
|
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