Air Quality
Excellent
No health implications.
34
PM2.5
46
PM10
14
O3
0.6
CO
7
SO2
29
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Apr
51
Good
Sun
2 Apr
59
Good
Mon
3 Apr
59
Good
Tue
4 Apr
62
Good
Wed
5 Apr
40
Excellent
Thu
6 Apr
42
Excellent
Fri
7 Apr
40
Excellent
Air quality in the last 12 months (Yunyan)
|
2023/02
|
120
|
50
|
40
|
31
|
38
|
35
|
29
|
15
|
28
|
33
|
41
|
43
|
22
|
29
|
46
|
56
|
61
|
45
|
49
|
65
|
47
|
20
|
22
|
33
|
50
|
63
|
61
|
77
|
|||
|
2023/01
|
28
|
26
|
38
|
77
|
43
|
54
|
93
|
99
|
96
|
78
|
68
|
41
|
46
|
77
|
17
|
40
|
41
|
50
|
50
|
65
|
76
|
59
|
48
|
64
|
67
|
78
|
75
|
55
|
79
|
91
|
110
|
|
2022/12
|
14
|
25
|
28
|
17
|
28
|
44
|
53
|
72
|
50
|
53
|
56
|
97
|
81
|
65
|
67
|
76
|
61
|
56
|
61
|
65
|
63
|
71
|
81
|
81
|
64
|
40
|
51
|
22
|
36
|
34
|
38
|
|
2022/11
|
38
|
38
|
40
|
42
|
61
|
74
|
67
|
58
|
56
|
49
|
45
|
46
|
61
|
51
|
33
|
30
|
37
|
31
|
47
|
38
|
34
|
55
|
31
|
24
|
36
|
48
|
20
|
33
|
51
|
15
|
|
|
2022/10
|
15
|
12
|
13
|
17
|
18
|
20
|
16
|
12
|
13
|
23
|
31
|
31
|
51
|
59
|
50
|
43
|
56
|
47
|
42
|
37
|
41
|
61
|
44
|
49
|
53
|
73
|
24
|
17
|
18
|
18
|
26
|
|
2022/09
|
34
|
36
|
32
|
25
|
36
|
40
|
39
|
41
|
70
|
73
|
55
|
47
|
30
|
17
|
27
|
34
|
28
|
26
|
25
|
34
|
25
|
31
|
19
|
37
|
47
|
46
|
42
|
28
|
48
|
62
|
|
|
2022/08
|
32
|
29
|
27
|
31
|
31
|
17
|
17
|
18
|
22
|
32
|
30
|
16
|
20
|
19
|
25
|
27
|
24
|
24
|
27
|
27
|
16
|
14
|
19
|
26
|
32
|
19
|
16
|
19
|
21
|
27
|
26
|
|
2022/07
|
22
|
20
|
19
|
28
|
47
|
41
|
42
|
28
|
17
|
17
|
18
|
17
|
18
|
20
|
22
|
22
|
30
|
27
|
19
|
19
|
19
|
17
|
21
|
21
|
25
|
25
|
26
|
26
|
44
|
37
|
33
|
|
2022/06
|
20
|
24
|
22
|
36
|
25
|
47
|
38
|
38
|
32
|
22
|
24
|
23
|
22
|
35
|
47
|
35
|
26
|
22
|
23
|
32
|
27
|
25
|
21
|
22
|
23
|
22
|
21
|
35
|
47
|
31
|
|
|
2022/05
|
26
|
26
|
41
|
51
|
46
|
46
|
29
|
39
|
20
|
27
|
18
|
17
|
18
|
15
|
17
|
20
|
40
|
41
|
22
|
36
|
39
|
21
|
20
|
16
|
16
|
20
|
13
|
13
|
36
|
24
|
37
|
|
2022/04
|
24
|
27
|
44
|
45
|
31
|
34
|
51
|
62
|
64
|
64
|
65
|
43
|
29
|
28
|
17
|
20
|
23
|
20
|
42
|
37
|
31
|
45
|
45
|
40
|
51
|
38
|
39
|
48
|
22
|
17
|
|
|
2022/03
|
94
|
78
|
75
|
70
|
71
|
55
|
76
|
64
|
60
|
60
|
36
|
39
|
35
|
45
|
41
|
41
|
33
|
34
|
49
|
59
|
50
|
21
|
38
|
30
|
29
|
24
|
21
|
39
|
36
|
20
|
15
|
|
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