Air Quality
Excellent
No health implications.
13
PM2.5
22
PM10
32
O3
0.9
CO
5
SO2
41
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
62
Good
Tue
22 Apr
80
Good
Wed
23 Apr
92
Good
Thu
24 Apr
75
Good
Fri
25 Apr
81
Good
Sat
26 Apr
72
Good
Sun
27 Apr
22
Excellent
Air quality in the last 12 months (Qianshan)
|
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
|
|
2024/04
|
45
|
19
|
47
|
47
|
48
|
46
|
48
|
24
|
38
|
52
|
58
|
55
|
64
|
45
|
48
|
56
|
37
|
44
|
36
|
51
|
45
|
48
|
74
|
117
|
75
|
43
|
63
|
43
|
23
|
33
|
|
|
2024/03
|
57
|
56
|
43
|
43
|
67
|
77
|
89
|
77
|
66
|
80
|
80
|
80
|
88
|
92
|
103
|
90
|
80
|
70
|
74
|
78
|
64
|
58
|
45
|
45
|
32
|
44
|
55
|
48
|
48
|
49
|
60
|
|
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