Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
24
O3
0.4
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 May
49
Excellent
Sun
17 May
49
Excellent
Mon
18 May
59
Good
Tue
19 May
64
Good
Wed
20 May
71
Good
Thu
21 May
34
Excellent
Fri
22 May
19
Excellent
Air quality in the last 12 months (Yilong)
|
2026/04
|
36
|
28
|
38
|
68
|
64
|
47
|
30
|
22
|
28
|
38
|
28
|
28
|
23
|
24
|
25
|
33
|
47
|
48
|
63
|
81
|
14
|
20
|
31
|
43
|
54
|
60
|
50
|
26
|
32
|
36
|
|
|
2026/03
|
13
|
20
|
34
|
53
|
42
|
50
|
41
|
29
|
23
|
33
|
36
|
48
|
51
|
22
|
17
|
15
|
17
|
26
|
29
|
29
|
31
|
36
|
33
|
23
|
23
|
33
|
45
|
43
|
32
|
23
|
26
|
|
2026/02
|
59
|
71
|
73
|
82
|
96
|
83
|
66
|
55
|
51
|
54
|
59
|
62
|
82
|
85
|
68
|
45
|
93
|
84
|
71
|
75
|
73
|
83
|
68
|
40
|
42
|
39
|
40
|
23
|
|||
|
2026/01
|
25
|
35
|
39
|
59
|
55
|
56
|
68
|
85
|
90
|
99
|
130
|
140
|
114
|
94
|
131
|
115
|
139
|
148
|
38
|
24
|
35
|
48
|
55
|
62
|
68
|
87
|
69
|
83
|
73
|
19
|
42
|
|
2025/12
|
100
|
113
|
74
|
55
|
63
|
63
|
81
|
88
|
110
|
98
|
92
|
70
|
54
|
66
|
72
|
82
|
99
|
103
|
119
|
56
|
23
|
30
|
35
|
43
|
46
|
59
|
64
|
71
|
104
|
117
|
64
|
|
2025/11
|
40
|
35
|
41
|
37
|
37
|
28
|
11
|
19
|
15
|
15
|
37
|
45
|
42
|
40
|
26
|
35
|
20
|
28
|
38
|
52
|
57
|
76
|
73
|
63
|
57
|
62
|
75
|
71
|
77
|
89
|
|
|
2025/10
|
17
|
10
|
16
|
13
|
11
|
17
|
26
|
29
|
28
|
38
|
22
|
10
|
16
|
23
|
16
|
23
|
14
|
18
|
8
|
7
|
8
|
12
|
17
|
18
|
17
|
27
|
33
|
34
|
38
|
30
|
36
|
|
2025/09
|
37
|
42
|
22
|
30
|
26
|
15
|
18
|
18
|
20
|
23
|
19
|
12
|
19
|
29
|
36
|
41
|
22
|
14
|
10
|
13
|
8
|
7
|
9
|
17
|
26
|
29
|
20
|
15
|
12
|
15
|
|
|
2025/08
|
36
|
37
|
38
|
39
|
46
|
37
|
22
|
28
|
23
|
18
|
16
|
23
|
32
|
33
|
35
|
20
|
24
|
28
|
30
|
30
|
37
|
24
|
21
|
27
|
19
|
26
|
28
|
28
|
15
|
21
|
25
|
|
2025/07
|
19
|
21
|
20
|
23
|
14
|
24
|
17
|
17
|
19
|
25
|
23
|
29
|
37
|
40
|
39
|
40
|
46
|
25
|
25
|
23
|
22
|
20
|
17
|
15
|
17
|
23
|
28
|
29
|
43
|
34
|
34
|
|
2025/06
|
16
|
24
|
40
|
45
|
45
|
47
|
34
|
22
|
28
|
36
|
38
|
44
|
45
|
36
|
42
|
44
|
43
|
23
|
25
|
40
|
20
|
19
|
20
|
23
|
13
|
22
|
28
|
32
|
31
|
12
|
|
|
2025/05
|
49
|
62
|
67
|
42
|
37
|
54
|
52
|
35
|
109
|
75
|
59
|
61
|
50
|
53
|
76
|
92
|
99
|
100
|
88
|
80
|
75
|
53
|
67
|
65
|
54
|
47
|
46
|
29
|
27
|
34
|
21
|
|
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