Air Quality
Excellent
No health implications.
10
PM2.5
25
PM10
23
O3
0.5
CO
24
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Aug
45
Excellent
Mon
1 Sep
50
Excellent
Tue
2 Sep
49
Excellent
Wed
3 Sep
43
Excellent
Thu
4 Sep
50
Excellent
Fri
5 Sep
45
Excellent
Sat
6 Sep
18
Excellent
Air quality in the last 12 months (Qianshan)
|
2025/06
|
38
|
24
|
21
|
38
|
35
|
37
|
38
|
32
|
29
|
25
|
20
|
26
|
26
|
23
|
16
|
26
|
33
|
19
|
22
|
20
|
18
|
19
|
18
|
18
|
30
|
32
|
33
|
26
|
31
|
36
|
|
|
2025/05
|
45
|
47
|
56
|
56
|
33
|
45
|
73
|
46
|
23
|
41
|
38
|
44
|
43
|
44
|
58
|
38
|
27
|
26
|
33
|
25
|
24
|
30
|
15
|
46
|
61
|
62
|
55
|
42
|
21
|
28
|
40
|
|
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
|
|
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