Air Quality
Excellent
No health implications.
7
PM2.5
13
PM10
33
O3
0.7
CO
13
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Feb
22
Excellent
Sat
22 Feb
27
Excellent
Sun
23 Feb
37
Excellent
Mon
24 Feb
47
Excellent
Tue
25 Feb
51
Good
Wed
26 Feb
43
Excellent
Thu
27 Feb
38
Excellent
Air quality in the last 12 months (Ziyun)
|
2025/01
|
61
|
79
|
71
|
83
|
57
|
61
|
67
|
40
|
29
|
38
|
58
|
63
|
48
|
82
|
70
|
79
|
72
|
77
|
74
|
89
|
77
|
89
|
69
|
56
|
29
|
25
|
47
|
48
|
61
|
48
|
45
|
|
2024/12
|
55
|
64
|
58
|
59
|
29
|
18
|
32
|
35
|
19
|
19
|
24
|
31
|
37
|
58
|
53
|
65
|
55
|
53
|
56
|
70
|
82
|
81
|
62
|
65
|
59
|
43
|
42
|
60
|
58
|
46
|
51
|
|
2024/11
|
39
|
30
|
46
|
53
|
38
|
59
|
58
|
57
|
51
|
46
|
33
|
38
|
45
|
47
|
42
|
46
|
55
|
39
|
28
|
22
|
23
|
29
|
32
|
41
|
26
|
19
|
22
|
28
|
29
|
32
|
|
|
2024/10
|
8
|
16
|
30
|
37
|
42
|
56
|
35
|
42
|
32
|
56
|
52
|
47
|
31
|
27
|
30
|
28
|
15
|
24
|
28
|
18
|
24
|
20
|
32
|
36
|
32
|
28
|
43
|
32
|
30
|
26
|
38
|
|
2024/09
|
22
|
19
|
15
|
16
|
33
|
37
|
26
|
14
|
13
|
17
|
20
|
24
|
21
|
30
|
30
|
31
|
22
|
29
|
42
|
47
|
34
|
25
|
33
|
49
|
52
|
37
|
45
|
41
|
25
|
13
|
|
|
2024/08
|
12
|
9
|
11
|
13
|
15
|
16
|
18
|
19
|
19
|
21
|
39
|
57
|
44
|
38
|
33
|
31
|
34
|
25
|
28
|
27
|
21
|
17
|
13
|
14
|
13
|
14
|
17
|
18
|
25
|
23
|
19
|
|
2024/07
|
19
|
22
|
11
|
13
|
15
|
14
|
18
|
17
|
18
|
15
|
14
|
15
|
15
|
14
|
14
|
17
|
14
|
14
|
9
|
11
|
13
|
15
|
15
|
12
|
24
|
29
|
30
|
19
|
14
|
12
|
14
|
|
2024/06
|
30
|
26
|
9
|
12
|
19
|
22
|
15
|
13
|
7
|
14
|
19
|
19
|
23
|
20
|
32
|
22
|
14
|
22
|
17
|
21
|
23
|
13
|
18
|
16
|
15
|
12
|
9
|
12
|
13
|
18
|
|
|
2024/05
|
28
|
14
|
18
|
20
|
35
|
27
|
30
|
30
|
19
|
13
|
21
|
15
|
22
|
34
|
27
|
28
|
20
|
14
|
21
|
27
|
21
|
23
|
23
|
26
|
29
|
15
|
21
|
17
|
14
|
14
|
24
|
|
2024/04
|
43
|
41
|
52
|
36
|
29
|
28
|
24
|
19
|
30
|
39
|
52
|
57
|
51
|
55
|
61
|
70
|
46
|
25
|
29
|
30
|
19
|
38
|
23
|
37
|
37
|
37
|
47
|
54
|
59
|
29
|
|
|
2024/03
|
31
|
52
|
37
|
38
|
41
|
32
|
57
|
62
|
44
|
29
|
26
|
34
|
40
|
44
|
21
|
37
|
57
|
40
|
24
|
52
|
54
|
43
|
33
|
39
|
35
|
49
|
50
|
28
|
34
|
48
|
54
|
|
2024/02
|
47
|
43
|
34
|
27
|
26
|
19
|
27
|
28
|
55
|
138
|
76
|
31
|
40
|
45
|
62
|
43
|
49
|
33
|
37
|
46
|
49
|
42
|
20
|
18
|
19
|
25
|
32
|
23
|
27
|
||
|
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