Air Quality
Excellent
No health implications.
12
PM2.5
20
PM10
41
O3
0.5
CO
2
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
37
Excellent
Sun
21 Apr
41
Excellent
Mon
22 Apr
42
Excellent
Tue
23 Apr
49
Excellent
Wed
24 Apr
40
Excellent
Thu
25 Apr
44
Excellent
Fri
26 Apr
44
Excellent
Air quality in the last 12 months (Shiqian)
|
2024/02
|
26
|
15
|
17
|
23
|
29
|
29
|
46
|
58
|
81
|
177
|
74
|
49
|
49
|
58
|
59
|
35
|
42
|
43
|
54
|
46
|
21
|
23
|
24
|
24
|
26
|
36
|
49
|
51
|
56
|
||
|
2024/01
|
68
|
48
|
46
|
56
|
69
|
79
|
64
|
72
|
78
|
65
|
72
|
72
|
75
|
61
|
89
|
64
|
39
|
25
|
14
|
20
|
40
|
37
|
49
|
55
|
62
|
54
|
53
|
58
|
61
|
59
|
44
|
|
2023/12
|
50
|
38
|
41
|
41
|
49
|
50
|
51
|
51
|
82
|
60
|
32
|
24
|
30
|
34
|
31
|
25
|
30
|
24
|
33
|
43
|
62
|
70
|
65
|
67
|
61
|
74
|
83
|
82
|
128
|
111
|
92
|
|
2023/11
|
34
|
36
|
47
|
53
|
38
|
27
|
27
|
27
|
29
|
19
|
13
|
19
|
32
|
35
|
24
|
28
|
40
|
50
|
51
|
44
|
39
|
55
|
71
|
62
|
59
|
55
|
44
|
46
|
53
|
50
|
|
|
2023/10
|
23
|
21
|
21
|
22
|
17
|
18
|
19
|
21
|
27
|
32
|
29
|
42
|
35
|
24
|
28
|
36
|
42
|
39
|
37
|
25
|
28
|
34
|
41
|
46
|
38
|
29
|
21
|
24
|
27
|
29
|
30
|
|
2023/09
|
36
|
38
|
35
|
29
|
31
|
33
|
34
|
32
|
31
|
28
|
30
|
25
|
24
|
27
|
33
|
31
|
25
|
19
|
19
|
22
|
18
|
17
|
19
|
22
|
24
|
26
|
28
|
35
|
33
|
31
|
|
|
2023/08
|
20
|
15
|
18
|
22
|
25
|
21
|
18
|
18
|
19
|
21
|
26
|
27
|
26
|
20
|
23
|
19
|
20
|
27
|
33
|
40
|
33
|
30
|
26
|
18
|
22
|
25
|
20
|
24
|
25
|
30
|
33
|
|
2023/07
|
24
|
25
|
23
|
20
|
20
|
17
|
19
|
21
|
18
|
20
|
22
|
24
|
24
|
23
|
28
|
35
|
35
|
31
|
20
|
21
|
16
|
19
|
23
|
24
|
21
|
22
|
24
|
23
|
22
|
23
|
19
|
|
2023/06
|
24
|
27
|
32
|
31
|
26
|
23
|
26
|
25
|
31
|
35
|
41
|
30
|
24
|
27
|
29
|
26
|
24
|
23
|
19
|
28
|
22
|
20
|
20
|
23
|
27
|
27
|
17
|
17
|
22
|
24
|
|
|
2023/05
|
45
|
47
|
34
|
38
|
33
|
21
|
21
|
34
|
31
|
21
|
25
|
28
|
38
|
51
|
52
|
42
|
38
|
39
|
40
|
22
|
27
|
22
|
26
|
29
|
29
|
29
|
25
|
23
|
23
|
26
|
27
|
|
2023/04
|
41
|
50
|
52
|
44
|
22
|
21
|
32
|
68
|
68
|
55
|
43
|
54
|
59
|
49
|
55
|
51
|
51
|
32
|
29
|
32
|
33
|
29
|
15
|
18
|
21
|
28
|
31
|
32
|
57
|
62
|
|
|
2023/03
|
90
|
75
|
63
|
47
|
48
|
57
|
67
|
50
|
41
|
42
|
52
|
54
|
44
|
51
|
62
|
64
|
28
|
24
|
17
|
16
|
19
|
21
|
23
|
17
|
30
|
37
|
44
|
44
|
41
|
36
|
35
|
|
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