Air Quality
Excellent
No health implications.
33
PM2.5
48
PM10
48
O3
0.6
CO
7
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
54
Good
Wed
21 May
47
Excellent
Thu
22 May
46
Excellent
Fri
23 May
50
Excellent
Sat
24 May
56
Good
Sun
25 May
39
Excellent
Mon
26 May
46
Excellent
Air quality in the last 12 months (Qianxi)
|
2025/02
|
23
|
16
|
22
|
42
|
39
|
16
|
21
|
38
|
53
|
36
|
41
|
46
|
28
|
16
|
35
|
53
|
37
|
33
|
22
|
17
|
18
|
14
|
23
|
23
|
18
|
41
|
43
|
57
|
|||
|
2025/01
|
81
|
86
|
95
|
73
|
69
|
88
|
39
|
30
|
30
|
34
|
36
|
53
|
49
|
58
|
62
|
70
|
73
|
48
|
48
|
72
|
93
|
75
|
74
|
42
|
17
|
30
|
48
|
46
|
82
|
57
|
33
|
|
2024/12
|
82
|
107
|
50
|
45
|
27
|
31
|
40
|
36
|
14
|
10
|
24
|
27
|
32
|
49
|
42
|
60
|
50
|
58
|
61
|
77
|
81
|
48
|
50
|
46
|
42
|
28
|
50
|
75
|
65
|
25
|
45
|
|
2024/11
|
27
|
21
|
61
|
38
|
32
|
57
|
63
|
60
|
49
|
45
|
45
|
42
|
36
|
39
|
59
|
44
|
29
|
18
|
12
|
17
|
21
|
31
|
31
|
22
|
8
|
17
|
17
|
22
|
34
|
55
|
|
|
2024/10
|
8
|
15
|
28
|
41
|
56
|
42
|
31
|
34
|
32
|
53
|
66
|
39
|
18
|
24
|
37
|
39
|
15
|
31
|
18
|
20
|
22
|
13
|
29
|
39
|
34
|
44
|
43
|
39
|
53
|
51
|
52
|
|
2024/09
|
26
|
27
|
20
|
20
|
30
|
37
|
32
|
18
|
17
|
24
|
29
|
31
|
30
|
34
|
34
|
38
|
28
|
31
|
33
|
40
|
31
|
21
|
38
|
47
|
56
|
65
|
55
|
48
|
33
|
11
|
|
|
2024/08
|
24
|
15
|
13
|
11
|
18
|
22
|
18
|
18
|
19
|
14
|
47
|
61
|
50
|
40
|
38
|
37
|
46
|
35
|
40
|
35
|
35
|
25
|
20
|
25
|
17
|
15
|
26
|
25
|
31
|
34
|
32
|
|
2024/07
|
24
|
27
|
16
|
10
|
14
|
17
|
17
|
17
|
19
|
18
|
17
|
17
|
17
|
13
|
12
|
14
|
14
|
12
|
9
|
10
|
11
|
14
|
14
|
14
|
22
|
30
|
34
|
27
|
14
|
16
|
23
|
|
2024/06
|
36
|
27
|
15
|
12
|
25
|
33
|
13
|
16
|
9
|
18
|
21
|
16
|
26
|
28
|
36
|
39
|
19
|
30
|
30
|
31
|
26
|
15
|
22
|
19
|
23
|
26
|
20
|
21
|
16
|
36
|
|
|
2024/05
|
21
|
19
|
15
|
11
|
33
|
46
|
32
|
35
|
29
|
27
|
23
|
16
|
22
|
38
|
35
|
36
|
36
|
22
|
25
|
25
|
21
|
29
|
37
|
39
|
35
|
14
|
27
|
32
|
18
|
12
|
25
|
|
2024/04
|
47
|
47
|
44
|
20
|
32
|
24
|
18
|
17
|
44
|
44
|
42
|
57
|
65
|
67
|
70
|
70
|
36
|
28
|
20
|
22
|
30
|
45
|
26
|
38
|
31
|
43
|
32
|
54
|
58
|
17
|
|
|
2024/03
|
41
|
56
|
48
|
46
|
37
|
34
|
46
|
61
|
39
|
52
|
39
|
50
|
60
|
69
|
45
|
46
|
46
|
18
|
32
|
63
|
65
|
59
|
35
|
51
|
27
|
48
|
56
|
23
|
44
|
53
|
57
|
|
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