Air Quality
Excellent
No health implications.
16
PM2.5
30
PM10
39
O3
0.4
CO
4
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
56
Good
Wed
16 Jul
58
Good
Thu
17 Jul
56
Good
Fri
18 Jul
37
Excellent
Sat
19 Jul
36
Excellent
Sun
20 Jul
26
Excellent
Mon
21 Jul
29
Excellent
Air quality in the last 12 months (Xundian)
|
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
|
|
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
|
|
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