Air Quality
Excellent
No health implications.
11
PM2.5
25
PM10
116
O3
0.1
CO
2
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
48
Excellent
Fri
22 May
80
Good
Sat
23 May
47
Excellent
Sun
24 May
50
Excellent
Mon
25 May
49
Excellent
Tue
26 May
49
Excellent
Wed
27 May
26
Excellent
Air quality in the last 12 months (Youyi)
|
2026/04
|
101
|
103
|
76
|
50
|
44
|
28
|
27
|
37
|
54
|
43
|
37
|
35
|
27
|
35
|
60
|
50
|
58
|
33
|
38
|
51
|
44
|
22
|
23
|
29
|
29
|
35
|
32
|
34
|
40
|
61
|
|
|
2026/03
|
34
|
45
|
46
|
51
|
53
|
49
|
33
|
47
|
33
|
48
|
44
|
52
|
44
|
58
|
36
|
55
|
59
|
86
|
62
|
48
|
128
|
109
|
65
|
116
|
102
|
92
|
100
|
143
|
121
|
34
|
83
|
|
2026/02
|
39
|
46
|
49
|
54
|
34
|
25
|
23
|
31
|
55
|
76
|
63
|
39
|
66
|
44
|
29
|
36
|
61
|
25
|
34
|
58
|
70
|
81
|
69
|
42
|
48
|
40
|
27
|
24
|
|||
|
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
|
|
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