Air Quality
Excellent
No health implications.
9
PM2.5
28
PM10
63
O3
0.4
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Dec
49
Excellent
Thu
5 Dec
48
Excellent
Fri
6 Dec
48
Excellent
Sat
7 Dec
52
Good
Sun
8 Dec
53
Good
Mon
9 Dec
60
Good
Tue
10 Dec
38
Excellent
Air quality in the last 12 months (Qian'an)
|
2024/10
|
24
|
27
|
32
|
40
|
43
|
29
|
55
|
45
|
47
|
21
|
29
|
34
|
58
|
53
|
22
|
30
|
42
|
34
|
28
|
31
|
42
|
36
|
50
|
56
|
48
|
42
|
35
|
43
|
65
|
58
|
70
|
|
2024/09
|
13
|
17
|
18
|
25
|
17
|
21
|
26
|
30
|
40
|
24
|
27
|
30
|
27
|
21
|
21
|
30
|
29
|
27
|
30
|
18
|
27
|
37
|
29
|
39
|
25
|
37
|
37
|
36
|
52
|
25
|
|
|
2024/08
|
12
|
14
|
18
|
21
|
15
|
19
|
27
|
20
|
22
|
20
|
13
|
13
|
20
|
22
|
23
|
31
|
31
|
31
|
17
|
16
|
12
|
13
|
25
|
31
|
25
|
18
|
16
|
19
|
24
|
25
|
17
|
|
2024/07
|
52
|
46
|
33
|
24
|
29
|
33
|
51
|
77
|
66
|
69
|
80
|
77
|
60
|
57
|
54
|
37
|
18
|
28
|
31
|
29
|
30
|
25
|
15
|
17
|
20
|
12
|
13
|
14
|
17
|
22
|
18
|
|
2024/06
|
20
|
26
|
29
|
31
|
46
|
52
|
46
|
25
|
19
|
29
|
44
|
24
|
30
|
14
|
15
|
25
|
17
|
22
|
54
|
33
|
36
|
31
|
9
|
12
|
20
|
30
|
44
|
48
|
39
|
35
|
|
|
2024/05
|
54
|
48
|
64
|
100
|
59
|
64
|
49
|
70
|
40
|
71
|
43
|
30
|
33
|
32
|
22
|
28
|
49
|
41
|
24
|
23
|
52
|
51
|
32
|
25
|
30
|
14
|
18
|
26
|
30
|
20
|
17
|
|
2024/04
|
61
|
73
|
65
|
66
|
73
|
65
|
61
|
55
|
71
|
112
|
99
|
115
|
77
|
100
|
117
|
92
|
66
|
52
|
39
|
181
|
158
|
71
|
32
|
34
|
42
|
29
|
32
|
24
|
65
|
51
|
|
|
2024/03
|
33
|
35
|
39
|
43
|
41
|
50
|
45
|
34
|
46
|
83
|
64
|
47
|
48
|
50
|
60
|
62
|
26
|
37
|
42
|
40
|
55
|
55
|
61
|
30
|
60
|
87
|
97
|
216
|
54
|
48
|
55
|
|
2024/02
|
55
|
73
|
98
|
72
|
93
|
101
|
79
|
82
|
122
|
173
|
51
|
79
|
81
|
47
|
40
|
92
|
101
|
52
|
33
|
32
|
36
|
47
|
63
|
85
|
111
|
46
|
61
|
63
|
61
|
||
|
2024/01
|
61
|
108
|
85
|
80
|
92
|
66
|
31
|
54
|
86
|
47
|
64
|
83
|
70
|
47
|
48
|
63
|
84
|
51
|
56
|
43
|
29
|
37
|
51
|
44
|
54
|
61
|
82
|
86
|
60
|
98
|
68
|
|
2023/12
|
35
|
53
|
42
|
48
|
75
|
38
|
34
|
63
|
31
|
43
|
40
|
68
|
102
|
62
|
31
|
29
|
33
|
59
|
64
|
53
|
53
|
46
|
56
|
61
|
59
|
79
|
63
|
91
|
87
|
126
|
39
|
|
2023/11
|
71
|
78
|
33
|
52
|
142
|
79
|
29
|
68
|
49
|
36
|
43
|
42
|
36
|
62
|
77
|
71
|
46
|
41
|
31
|
38
|
58
|
56
|
23
|
28
|
35
|
88
|
96
|
38
|
33
|
29
|
|
|
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