Air Quality
Excellent
No health implications.
15
PM2.5
21
PM10
75
O3
0.7
CO
10
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 May
39
Excellent
Sat
24 May
43
Excellent
Sun
25 May
71
Good
Mon
26 May
69
Good
Tue
27 May
71
Good
Wed
28 May
57
Good
Thu
29 May
32
Excellent
Air quality in the last 12 months (Qianshan)
|
2025/04
|
39
|
48
|
56
|
59
|
56
|
61
|
60
|
59
|
62
|
46
|
47
|
117
|
139
|
95
|
69
|
53
|
58
|
58
|
31
|
34
|
34
|
19
|
25
|
31
|
20
|
30
|
23
|
37
|
57
|
54
|
|
|
2025/03
|
38
|
41
|
42
|
17
|
23
|
21
|
48
|
48
|
59
|
54
|
58
|
54
|
22
|
21
|
16
|
31
|
37
|
39
|
46
|
45
|
44
|
49
|
52
|
63
|
64
|
70
|
62
|
52
|
36
|
39
|
38
|
|
2025/02
|
23
|
16
|
28
|
45
|
42
|
50
|
57
|
51
|
33
|
44
|
55
|
55
|
68
|
85
|
55
|
56
|
58
|
35
|
39
|
21
|
16
|
23
|
19
|
47
|
75
|
67
|
50
|
34
|
|||
|
2025/01
|
92
|
79
|
74
|
65
|
88
|
74
|
74
|
83
|
64
|
46
|
48
|
53
|
58
|
57
|
73
|
59
|
52
|
54
|
55
|
57
|
67
|
64
|
59
|
54
|
39
|
24
|
47
|
68
|
150
|
59
|
39
|
|
2024/12
|
51
|
53
|
59
|
81
|
53
|
29
|
47
|
66
|
47
|
50
|
26
|
30
|
67
|
59
|
55
|
54
|
59
|
61
|
58
|
59
|
62
|
67
|
54
|
70
|
88
|
86
|
105
|
79
|
66
|
70
|
70
|
|
2024/11
|
23
|
32
|
43
|
54
|
62
|
49
|
36
|
38
|
40
|
42
|
42
|
50
|
50
|
44
|
25
|
24
|
24
|
27
|
32
|
38
|
40
|
36
|
60
|
46
|
37
|
30
|
41
|
44
|
54
|
51
|
|
|
2024/10
|
32
|
29
|
31
|
30
|
30
|
24
|
25
|
16
|
37
|
46
|
55
|
60
|
48
|
45
|
73
|
21
|
30
|
41
|
27
|
18
|
42
|
41
|
31
|
45
|
33
|
44
|
20
|
16
|
46
|
50
|
32
|
|
2024/09
|
38
|
51
|
51
|
42
|
34
|
33
|
34
|
37
|
32
|
34
|
37
|
26
|
40
|
40
|
34
|
36
|
26
|
23
|
32
|
41
|
30
|
20
|
22
|
19
|
36
|
40
|
29
|
29
|
39
|
38
|
|
|
2024/08
|
17
|
26
|
33
|
38
|
30
|
35
|
38
|
31
|
36
|
40
|
36
|
28
|
27
|
27
|
26
|
36
|
33
|
24
|
19
|
28
|
19
|
34
|
38
|
40
|
44
|
47
|
38
|
30
|
38
|
47
|
45
|
|
2024/07
|
25
|
29
|
24
|
26
|
28
|
22
|
27
|
23
|
26
|
31
|
32
|
29
|
29
|
27
|
33
|
35
|
27
|
26
|
23
|
27
|
34
|
27
|
30
|
28
|
20
|
17
|
16
|
15
|
19
|
23
|
21
|
|
2024/06
|
12
|
15
|
26
|
35
|
31
|
20
|
31
|
35
|
36
|
24
|
14
|
26
|
28
|
24
|
18
|
21
|
17
|
19
|
32
|
41
|
36
|
31
|
32
|
20
|
14
|
18
|
25
|
31
|
31
|
32
|
|
|
2024/05
|
15
|
35
|
44
|
27
|
18
|
28
|
45
|
48
|
57
|
58
|
45
|
38
|
57
|
51
|
50
|
58
|
52
|
53
|
52
|
36
|
24
|
28
|
31
|
24
|
27
|
24
|
22
|
19
|
33
|
44
|
39
|
|
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