Air Quality
Excellent
No health implications.
25
PM2.5
46
PM10
47
O3
0.6
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
47
Excellent
Thu
22 May
48
Excellent
Fri
23 May
49
Excellent
Sat
24 May
52
Good
Sun
25 May
46
Excellent
Mon
26 May
17
Excellent
Tue
27 May
39
Excellent
Air quality in the last 12 months (Ximeng)
|
2025/04
|
110
|
81
|
71
|
104
|
112
|
104
|
95
|
86
|
87
|
81
|
74
|
64
|
35
|
39
|
39
|
32
|
26
|
33
|
42
|
43
|
42
|
48
|
60
|
67
|
72
|
85
|
85
|
78
|
46
|
35
|
|
|
2025/03
|
51
|
64
|
61
|
67
|
77
|
79
|
75
|
64
|
60
|
57
|
69
|
72
|
85
|
80
|
77
|
81
|
88
|
69
|
40
|
45
|
65
|
74
|
69
|
58
|
58
|
62
|
82
|
116
|
128
|
120
|
129
|
|
2025/02
|
71
|
78
|
70
|
58
|
57
|
68
|
64
|
53
|
45
|
46
|
49
|
52
|
58
|
63
|
73
|
70
|
60
|
58
|
64
|
68
|
63
|
68
|
64
|
52
|
45
|
42
|
47
|
53
|
|||
|
2025/01
|
44
|
40
|
40
|
45
|
53
|
55
|
49
|
46
|
48
|
50
|
55
|
41
|
47
|
47
|
47
|
48
|
50
|
49
|
47
|
44
|
43
|
46
|
48
|
43
|
40
|
52
|
35
|
49
|
81
|
60
|
56
|
|
2024/12
|
31
|
31
|
33
|
32
|
33
|
36
|
39
|
40
|
41
|
40
|
47
|
48
|
40
|
38
|
28
|
29
|
32
|
32
|
35
|
38
|
39
|
48
|
37
|
42
|
43
|
44
|
48
|
48
|
41
|
41
|
42
|
|
2024/11
|
37
|
37
|
38
|
34
|
33
|
28
|
26
|
16
|
20
|
24
|
25
|
27
|
28
|
24
|
26
|
29
|
32
|
31
|
34
|
33
|
28
|
24
|
32
|
35
|
34
|
32
|
31
|
26
|
25
|
25
|
|
|
2024/10
|
18
|
12
|
18
|
19
|
19
|
23
|
27
|
26
|
26
|
25
|
25
|
25
|
30
|
34
|
36
|
33
|
26
|
36
|
40
|
36
|
25
|
26
|
28
|
31
|
28
|
32
|
35
|
39
|
38
|
37
|
37
|
|
2024/09
|
22
|
25
|
23
|
23
|
22
|
22
|
30
|
26
|
21
|
18
|
15
|
18
|
22
|
21
|
26
|
27
|
27
|
23
|
26
|
34
|
37
|
32
|
27
|
27
|
30
|
26
|
21
|
20
|
21
|
20
|
|
|
2024/08
|
14
|
13
|
17
|
20
|
16
|
17
|
16
|
22
|
20
|
20
|
18
|
22
|
27
|
26
|
26
|
25
|
24
|
20
|
19
|
16
|
18
|
15
|
15
|
15
|
15
|
19
|
18
|
18
|
19
|
21
|
18
|
|
2024/07
|
17
|
17
|
18
|
14
|
17
|
19
|
17
|
20
|
16
|
17
|
11
|
15
|
22
|
17
|
17
|
21
|
22
|
20
|
17
|
15
|
13
|
13
|
14
|
17
|
17
|
15
|
17
|
17
|
17
|
15
|
17
|
|
2024/06
|
41
|
31
|
31
|
34
|
39
|
26
|
23
|
24
|
30
|
35
|
33
|
23
|
17
|
17
|
23
|
30
|
37
|
29
|
33
|
31
|
27
|
24
|
23
|
20
|
18
|
17
|
15
|
16
|
19
|
17
|
|
|
2024/05
|
76
|
59
|
49
|
62
|
69
|
58
|
62
|
58
|
57
|
38
|
32
|
43
|
45
|
48
|
48
|
46
|
41
|
39
|
44
|
53
|
32
|
37
|
31
|
28
|
19
|
19
|
21
|
19
|
33
|
43
|
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