Air Quality
Excellent
No health implications.
12
PM2.5
36
PM10
23
O3
1.2
CO
5
SO2
33
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
55
Good
Sat
10 May
53
Good
Sun
11 May
71
Good
Mon
12 May
91
Good
Tue
13 May
58
Good
Wed
14 May
58
Good
Thu
15 May
34
Excellent
Air quality in the last 12 months (Jiexi)
|
2025/02
|
56
|
36
|
19
|
27
|
53
|
46
|
25
|
49
|
46
|
45
|
54
|
77
|
65
|
60
|
56
|
75
|
60
|
61
|
37
|
45
|
40
|
30
|
23
|
27
|
55
|
59
|
66
|
70
|
|||
|
2025/01
|
65
|
72
|
63
|
58
|
64
|
67
|
64
|
66
|
65
|
54
|
46
|
42
|
57
|
59
|
65
|
81
|
58
|
55
|
72
|
62
|
59
|
62
|
70
|
43
|
34
|
27
|
27
|
55
|
108
|
62
|
61
|
|
2024/12
|
62
|
65
|
63
|
53
|
55
|
62
|
50
|
35
|
48
|
46
|
52
|
32
|
31
|
61
|
48
|
50
|
63
|
57
|
53
|
57
|
52
|
59
|
74
|
55
|
55
|
58
|
67
|
74
|
68
|
73
|
75
|
|
2024/11
|
26
|
20
|
38
|
51
|
46
|
47
|
43
|
39
|
44
|
49
|
57
|
44
|
32
|
28
|
42
|
30
|
28
|
28
|
18
|
12
|
15
|
27
|
35
|
45
|
34
|
18
|
30
|
34
|
40
|
54
|
|
|
2024/10
|
24
|
24
|
32
|
28
|
32
|
41
|
37
|
38
|
33
|
40
|
48
|
50
|
43
|
41
|
40
|
36
|
34
|
43
|
49
|
25
|
33
|
36
|
26
|
35
|
42
|
44
|
48
|
23
|
25
|
40
|
36
|
|
2024/09
|
29
|
39
|
41
|
30
|
27
|
15
|
18
|
16
|
23
|
31
|
38
|
46
|
40
|
33
|
28
|
29
|
31
|
33
|
34
|
25
|
15
|
19
|
11
|
16
|
25
|
29
|
38
|
26
|
34
|
31
|
|
|
2024/08
|
26
|
29
|
30
|
33
|
36
|
42
|
43
|
41
|
35
|
28
|
32
|
30
|
23
|
20
|
24
|
24
|
20
|
20
|
19
|
18
|
16
|
26
|
28
|
29
|
36
|
36
|
35
|
35
|
39
|
30
|
25
|
|
2024/07
|
25
|
21
|
17
|
22
|
21
|
19
|
15
|
24
|
27
|
23
|
19
|
18
|
20
|
23
|
17
|
16
|
19
|
22
|
19
|
24
|
20
|
24
|
26
|
34
|
35
|
17
|
13
|
13
|
19
|
19
|
16
|
|
2024/06
|
17
|
15
|
21
|
26
|
27
|
35
|
20
|
26
|
24
|
24
|
20
|
26
|
29
|
31
|
22
|
22
|
21
|
21
|
19
|
20
|
26
|
29
|
22
|
16
|
20
|
20
|
19
|
20
|
13
|
20
|
|
|
2024/05
|
31
|
31
|
34
|
39
|
22
|
39
|
44
|
50
|
47
|
46
|
51
|
40
|
32
|
35
|
50
|
62
|
54
|
57
|
54
|
23
|
19
|
15
|
17
|
16
|
23
|
26
|
24
|
23
|
26
|
34
|
26
|
|
2024/04
|
43
|
46
|
31
|
40
|
46
|
31
|
30
|
42
|
23
|
45
|
50
|
61
|
61
|
43
|
43
|
40
|
29
|
26
|
43
|
41
|
25
|
35
|
33
|
31
|
31
|
20
|
27
|
17
|
32
|
26
|
|
|
2024/03
|
21
|
20
|
39
|
53
|
108
|
64
|
38
|
46
|
66
|
50
|
41
|
31
|
64
|
73
|
85
|
90
|
80
|
53
|
48
|
57
|
61
|
68
|
75
|
43
|
39
|
44
|
45
|
59
|
61
|
66
|
37
|
|
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