Air Quality
Excellent
No health implications.
19
PM2.5
33
PM10
106
O3
0.4
CO
8
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
76
Good
Mon
18 May
52
Good
Tue
19 May
49
Excellent
Wed
20 May
50
Excellent
Thu
21 May
57
Good
Fri
22 May
50
Excellent
Sat
23 May
28
Excellent
Air quality in the last 12 months (Qianshan)
|
2026/04
|
62
|
45
|
30
|
49
|
58
|
62
|
60
|
42
|
26
|
32
|
53
|
29
|
32
|
23
|
32
|
50
|
47
|
55
|
57
|
45
|
31
|
15
|
20
|
27
|
32
|
37
|
52
|
31
|
29
|
35
|
|
|
2026/03
|
28
|
19
|
57
|
74
|
58
|
55
|
69
|
69
|
71
|
72
|
58
|
65
|
60
|
67
|
113
|
32
|
19
|
23
|
70
|
91
|
82
|
56
|
71
|
53
|
62
|
75
|
77
|
62
|
54
|
48
|
70
|
|
2026/02
|
39
|
57
|
76
|
73
|
81
|
72
|
38
|
55
|
52
|
67
|
83
|
88
|
76
|
60
|
65
|
33
|
94
|
80
|
76
|
54
|
37
|
94
|
123
|
25
|
35
|
22
|
28
|
39
|
|||
|
2026/01
|
21
|
47
|
64
|
80
|
61
|
59
|
55
|
57
|
58
|
77
|
67
|
61
|
78
|
65
|
83
|
102
|
189
|
140
|
22
|
36
|
54
|
47
|
68
|
75
|
114
|
85
|
59
|
71
|
83
|
17
|
36
|
|
2025/12
|
114
|
98
|
75
|
69
|
71
|
80
|
74
|
120
|
85
|
99
|
137
|
81
|
38
|
61
|
56
|
61
|
171
|
187
|
130
|
177
|
57
|
48
|
50
|
75
|
72
|
51
|
58
|
71
|
81
|
158
|
61
|
|
2025/11
|
56
|
62
|
67
|
69
|
87
|
75
|
20
|
24
|
49
|
65
|
46
|
38
|
49
|
80
|
105
|
88
|
53
|
27
|
35
|
58
|
71
|
72
|
94
|
94
|
88
|
73
|
142
|
110
|
76
|
68
|
|
|
2025/10
|
31
|
40
|
25
|
36
|
53
|
51
|
67
|
60
|
51
|
55
|
52
|
45
|
30
|
31
|
54
|
30
|
32
|
9
|
13
|
27
|
20
|
26
|
29
|
40
|
55
|
52
|
58
|
78
|
99
|
86
|
39
|
|
2025/09
|
19
|
26
|
31
|
37
|
40
|
38
|
39
|
42
|
21
|
20
|
20
|
24
|
20
|
23
|
24
|
38
|
36
|
22
|
30
|
15
|
34
|
36
|
43
|
7
|
12
|
20
|
31
|
35
|
30
|
32
|
|
|
2025/08
|
29
|
25
|
27
|
31
|
29
|
17
|
18
|
23
|
27
|
34
|
20
|
22
|
28
|
27
|
18
|
22
|
26
|
28
|
26
|
21
|
21
|
19
|
20
|
28
|
27
|
20
|
28
|
25
|
31
|
26
|
16
|
|
2025/07
|
22
|
30
|
34
|
36
|
40
|
40
|
40
|
28
|
19
|
26
|
38
|
21
|
24
|
36
|
35
|
36
|
26
|
33
|
34
|
17
|
16
|
11
|
17
|
22
|
24
|
25
|
23
|
23
|
21
|
23
|
21
|
|
2025/06
|
11
|
15
|
30
|
44
|
40
|
38
|
35
|
15
|
26
|
27
|
32
|
33
|
40
|
29
|
18
|
36
|
31
|
17
|
16
|
18
|
16
|
13
|
25
|
33
|
42
|
36
|
23
|
17
|
17
|
24
|
|
|
2025/05
|
54
|
53
|
59
|
52
|
49
|
135
|
129
|
57
|
32
|
40
|
45
|
51
|
50
|
66
|
67
|
33
|
51
|
106
|
64
|
40
|
24
|
31
|
37
|
63
|
61
|
69
|
75
|
57
|
40
|
39
|
32
|
|
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