Air Quality
Excellent
No health implications.
21
PM2.5
19
PM10
58
O3
0.4
CO
11
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Feb
61
Good
Sun
15 Feb
56
Good
Mon
16 Feb
85
Good
Tue
17 Feb
92
Good
Wed
18 Feb
60
Good
Thu
19 Feb
57
Good
Fri
20 Feb
25
Excellent
Air quality in the last 12 months (Youyi)
|
2026/01
|
26
|
45
|
44
|
27
|
22
|
38
|
32
|
22
|
58
|
55
|
28
|
76
|
63
|
28
|
62
|
39
|
45
|
54
|
50
|
39
|
31
|
31
|
37
|
43
|
28
|
27
|
34
|
52
|
32
|
36
|
30
|
|
2025/12
|
30
|
37
|
27
|
23
|
28
|
52
|
65
|
54
|
44
|
35
|
23
|
34
|
58
|
100
|
74
|
27
|
27
|
60
|
82
|
36
|
26
|
45
|
57
|
47
|
47
|
22
|
42
|
56
|
47
|
27
|
29
|
|
2025/11
|
66
|
52
|
53
|
62
|
97
|
73
|
22
|
65
|
39
|
18
|
25
|
56
|
34
|
31
|
56
|
70
|
47
|
33
|
71
|
67
|
41
|
88
|
100
|
74
|
36
|
49
|
65
|
54
|
58
|
48
|
|
|
2025/10
|
26
|
23
|
42
|
43
|
20
|
44
|
36
|
21
|
37
|
43
|
38
|
32
|
44
|
56
|
42
|
54
|
46
|
15
|
18
|
20
|
23
|
39
|
44
|
126
|
124
|
140
|
117
|
34
|
81
|
84
|
53
|
|
2025/09
|
26
|
30
|
30
|
40
|
43
|
26
|
32
|
40
|
26
|
21
|
33
|
36
|
35
|
37
|
23
|
18
|
16
|
23
|
33
|
28
|
37
|
31
|
38
|
24
|
16
|
14
|
22
|
27
|
36
|
37
|
|
|
2025/08
|
28
|
31
|
23
|
20
|
22
|
22
|
20
|
18
|
27
|
17
|
19
|
27
|
33
|
23
|
22
|
16
|
17
|
28
|
20
|
20
|
30
|
19
|
15
|
23
|
21
|
16
|
22
|
25
|
18
|
19
|
25
|
|
2025/07
|
28
|
27
|
30
|
22
|
33
|
18
|
25
|
35
|
35
|
20
|
33
|
32
|
24
|
24
|
22
|
23
|
24
|
25
|
32
|
31
|
19
|
23
|
34
|
33
|
29
|
22
|
25
|
22
|
34
|
20
|
24
|
|
2025/06
|
40
|
29
|
18
|
14
|
19
|
18
|
20
|
21
|
23
|
16
|
18
|
25
|
31
|
30
|
27
|
28
|
21
|
25
|
42
|
25
|
17
|
21
|
30
|
39
|
47
|
46
|
47
|
54
|
35
|
26
|
|
|
2025/05
|
45
|
46
|
25
|
16
|
22
|
33
|
44
|
38
|
33
|
37
|
47
|
66
|
42
|
36
|
29
|
31
|
33
|
19
|
26
|
30
|
19
|
37
|
24
|
16
|
21
|
29
|
30
|
46
|
50
|
47
|
55
|
|
2025/04
|
63
|
63
|
72
|
63
|
61
|
46
|
59
|
69
|
59
|
97
|
113
|
78
|
71
|
34
|
46
|
33
|
85
|
65
|
42
|
39
|
73
|
42
|
63
|
42
|
37
|
16
|
29
|
35
|
40
|
33
|
|
|
2025/03
|
16
|
21
|
35
|
50
|
46
|
38
|
27
|
54
|
67
|
69
|
61
|
53
|
21
|
20
|
22
|
34
|
54
|
29
|
41
|
97
|
52
|
16
|
19
|
37
|
47
|
38
|
31
|
22
|
33
|
17
|
51
|
|
2025/02
|
72
|
107
|
87
|
47
|
20
|
26
|
58
|
51
|
33
|
39
|
65
|
72
|
34
|
31
|
57
|
34
|
13
|
40
|
85
|
47
|
32
|
22
|
28
|
40
|
59
|
23
|
57
|
56
|
|||
|
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