Air Quality
Excellent
No health implications.
29
PM2.5
39
PM10
57
O3
0.6
CO
8
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Feb
46
Excellent
Fri
10 Feb
51
Good
Sat
11 Feb
51
Good
Sun
12 Feb
52
Good
Mon
13 Feb
44
Excellent
Tue
14 Feb
43
Excellent
Wed
15 Feb
41
Excellent
Air quality in the last 12 months (Jiexi)
|
2023/01
|
53
|
48
|
46
|
44
|
50
|
46
|
52
|
56
|
57
|
26
|
38
|
45
|
48
|
30
|
26
|
16
|
32
|
37
|
48
|
49
|
65
|
121
|
79
|
35
|
56
|
57
|
63
|
57
|
53
|
54
|
78
|
|
2022/12
|
12
|
17
|
33
|
43
|
17
|
22
|
28
|
43
|
40
|
32
|
47
|
44
|
44
|
18
|
25
|
30
|
30
|
31
|
41
|
53
|
45
|
45
|
49
|
52
|
51
|
50
|
53
|
59
|
82
|
56
|
37
|
|
2022/11
|
27
|
22
|
30
|
34
|
29
|
32
|
37
|
43
|
46
|
45
|
42
|
41
|
58
|
45
|
48
|
41
|
54
|
48
|
52
|
45
|
42
|
46
|
29
|
19
|
37
|
27
|
45
|
66
|
44
|
27
|
|
|
2022/10
|
34
|
32
|
34
|
45
|
37
|
28
|
33
|
33
|
40
|
31
|
43
|
45
|
42
|
46
|
46
|
43
|
46
|
41
|
42
|
46
|
49
|
58
|
55
|
56
|
52
|
45
|
49
|
51
|
44
|
33
|
36
|
|
2022/09
|
32
|
27
|
41
|
31
|
40
|
50
|
35
|
45
|
60
|
64
|
59
|
52
|
51
|
44
|
40
|
57
|
66
|
65
|
62
|
55
|
47
|
49
|
52
|
50
|
54
|
50
|
36
|
34
|
37
|
35
|
|
|
2022/08
|
44
|
36
|
24
|
17
|
17
|
23
|
24
|
19
|
13
|
16
|
18
|
23
|
21
|
24
|
25
|
20
|
17
|
19
|
15
|
17
|
23
|
26
|
42
|
31
|
17
|
24
|
32
|
39
|
30
|
33
|
42
|
|
2022/07
|
20
|
17
|
22
|
25
|
20
|
17
|
19
|
25
|
23
|
24
|
25
|
29
|
30
|
30
|
28
|
27
|
28
|
27
|
23
|
22
|
27
|
35
|
38
|
38
|
44
|
35
|
27
|
38
|
43
|
43
|
57
|
|
2022/06
|
26
|
21
|
19
|
22
|
24
|
23
|
16
|
18
|
19
|
17
|
18
|
19
|
28
|
17
|
18
|
15
|
22
|
19
|
21
|
23
|
22
|
29
|
24
|
25
|
25
|
23
|
27
|
20
|
17
|
18
|
|
|
2022/05
|
20
|
17
|
37
|
48
|
53
|
46
|
52
|
55
|
43
|
31
|
23
|
13
|
13
|
18
|
24
|
23
|
33
|
44
|
50
|
47
|
39
|
37
|
40
|
27
|
22
|
24
|
24
|
21
|
20
|
23
|
21
|
|
2022/04
|
29
|
19
|
38
|
55
|
54
|
53
|
53
|
58
|
54
|
56
|
50
|
39
|
37
|
29
|
37
|
43
|
50
|
39
|
19
|
49
|
59
|
49
|
37
|
33
|
25
|
29
|
30
|
39
|
33
|
37
|
|
|
2022/03
|
58
|
74
|
76
|
69
|
64
|
52
|
41
|
32
|
45
|
52
|
54
|
56
|
53
|
46
|
46
|
50
|
48
|
50
|
43
|
49
|
65
|
51
|
13
|
22
|
33
|
50
|
28
|
25
|
33
|
49
|
48
|
|
2022/02
|
26
|
23
|
14
|
17
|
26
|
42
|
38
|
18
|
27
|
32
|
33
|
51
|
35
|
22
|
41
|
51
|
47
|
28
|
14
|
12
|
15
|
13
|
16
|
24
|
39
|
47
|
57
|
51
|
|||
|
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