Air Quality
Excellent
No health implications.
13
PM2.5
24
PM10
90
O3
0.6
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 May
57
Good
Sat
24 May
82
Good
Sun
25 May
91
Good
Mon
26 May
95
Good
Tue
27 May
95
Good
Wed
28 May
64
Good
Thu
29 May
19
Excellent
Air quality in the last 12 months (Qianshan)
|
2025/04
|
59
|
65
|
64
|
66
|
78
|
65
|
61
|
62
|
66
|
59
|
49
|
217
|
104
|
98
|
49
|
46
|
62
|
66
|
75
|
67
|
35
|
61
|
62
|
56
|
56
|
49
|
35
|
54
|
56
|
56
|
|
|
2025/03
|
49
|
39
|
18
|
39
|
61
|
66
|
60
|
67
|
98
|
94
|
55
|
71
|
59
|
47
|
24
|
47
|
32
|
49
|
46
|
51
|
49
|
53
|
67
|
70
|
58
|
66
|
80
|
77
|
87
|
77
|
62
|
|
2025/02
|
71
|
52
|
97
|
79
|
60
|
44
|
82
|
39
|
39
|
58
|
73
|
95
|
78
|
65
|
92
|
89
|
81
|
61
|
66
|
72
|
47
|
59
|
89
|
100
|
97
|
102
|
70
|
57
|
|||
|
2025/01
|
109
|
136
|
207
|
149
|
104
|
87
|
48
|
56
|
55
|
44
|
67
|
81
|
85
|
95
|
66
|
57
|
62
|
73
|
99
|
130
|
124
|
174
|
219
|
99
|
39
|
39
|
54
|
68
|
229
|
87
|
114
|
|
2024/12
|
56
|
64
|
130
|
81
|
59
|
66
|
100
|
63
|
57
|
77
|
81
|
92
|
80
|
63
|
62
|
68
|
80
|
102
|
42
|
79
|
90
|
57
|
80
|
93
|
135
|
124
|
107
|
81
|
78
|
92
|
100
|
|
2024/11
|
43
|
62
|
63
|
72
|
49
|
52
|
49
|
52
|
58
|
50
|
50
|
57
|
55
|
75
|
90
|
75
|
20
|
28
|
37
|
49
|
42
|
64
|
71
|
54
|
40
|
46
|
54
|
60
|
51
|
54
|
|
|
2024/10
|
22
|
40
|
30
|
34
|
45
|
24
|
13
|
34
|
47
|
60
|
71
|
72
|
82
|
68
|
55
|
51
|
34
|
32
|
22
|
40
|
50
|
35
|
46
|
50
|
47
|
35
|
34
|
84
|
81
|
54
|
38
|
|
2024/09
|
46
|
47
|
39
|
43
|
45
|
41
|
48
|
51
|
43
|
36
|
30
|
20
|
35
|
32
|
35
|
27
|
39
|
30
|
31
|
20
|
24
|
31
|
31
|
39
|
48
|
61
|
44
|
36
|
46
|
49
|
|
|
2024/08
|
18
|
21
|
28
|
27
|
33
|
30
|
28
|
34
|
39
|
38
|
44
|
53
|
30
|
19
|
24
|
28
|
42
|
42
|
31
|
18
|
30
|
32
|
32
|
36
|
45
|
49
|
28
|
15
|
31
|
37
|
43
|
|
2024/07
|
16
|
15
|
21
|
21
|
23
|
24
|
26
|
24
|
29
|
28
|
33
|
32
|
18
|
22
|
34
|
45
|
27
|
25
|
24
|
24
|
27
|
27
|
34
|
36
|
27
|
25
|
11
|
12
|
14
|
23
|
23
|
|
2024/06
|
33
|
41
|
33
|
38
|
34
|
34
|
32
|
36
|
44
|
27
|
24
|
29
|
30
|
28
|
33
|
48
|
34
|
32
|
17
|
20
|
28
|
13
|
20
|
26
|
32
|
35
|
18
|
12
|
19
|
17
|
|
|
2024/05
|
34
|
40
|
43
|
27
|
38
|
31
|
40
|
48
|
54
|
64
|
54
|
92
|
80
|
58
|
62
|
51
|
69
|
61
|
76
|
68
|
40
|
27
|
37
|
33
|
42
|
27
|
18
|
23
|
31
|
42
|
34
|
|
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