Air Quality
Excellent
No health implications.
10
PM2.5
20
PM10
23
O3
0.7
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
133
Light
Tue
20 Jan
60
Good
Wed
21 Jan
59
Good
Thu
22 Jan
59
Good
Fri
23 Jan
72
Good
Sat
24 Jan
90
Good
Sun
25 Jan
50
Excellent
Air quality in the last 12 months (Lianyuan)
|
2025/11
|
45
|
36
|
31
|
32
|
41
|
40
|
49
|
12
|
13
|
15
|
39
|
46
|
36
|
50
|
64
|
72
|
58
|
30
|
31
|
46
|
52
|
64
|
76
|
56
|
65
|
74
|
91
|
89
|
98
|
89
|
|
|
2025/10
|
57
|
50
|
44
|
41
|
51
|
39
|
40
|
59
|
59
|
52
|
62
|
71
|
49
|
28
|
43
|
36
|
33
|
11
|
12
|
10
|
14
|
26
|
35
|
44
|
62
|
52
|
47
|
62
|
76
|
65
|
47
|
|
2025/09
|
33
|
39
|
36
|
38
|
41
|
45
|
36
|
42
|
20
|
27
|
31
|
26
|
34
|
34
|
42
|
47
|
43
|
30
|
28
|
17
|
25
|
19
|
15
|
12
|
12
|
26
|
32
|
44
|
45
|
38
|
|
|
2025/08
|
39
|
48
|
48
|
40
|
37
|
30
|
19
|
24
|
30
|
32
|
40
|
44
|
32
|
22
|
16
|
26
|
35
|
37
|
19
|
19
|
21
|
24
|
33
|
33
|
35
|
36
|
46
|
36
|
38
|
39
|
25
|
|
2025/07
|
22
|
16
|
21
|
26
|
39
|
51
|
48
|
48
|
46
|
26
|
35
|
34
|
33
|
33
|
32
|
28
|
33
|
33
|
35
|
33
|
16
|
14
|
16
|
23
|
29
|
37
|
36
|
24
|
28
|
25
|
28
|
|
2025/06
|
21
|
22
|
40
|
47
|
47
|
47
|
33
|
18
|
39
|
38
|
31
|
26
|
28
|
35
|
27
|
40
|
20
|
14
|
19
|
24
|
22
|
14
|
16
|
17
|
35
|
38
|
33
|
25
|
24
|
23
|
|
|
2025/05
|
47
|
66
|
68
|
52
|
42
|
54
|
61
|
55
|
37
|
46
|
33
|
54
|
67
|
71
|
43
|
25
|
42
|
47
|
52
|
29
|
30
|
37
|
38
|
59
|
58
|
48
|
52
|
15
|
21
|
33
|
28
|
|
2025/04
|
51
|
58
|
60
|
86
|
101
|
82
|
72
|
86
|
81
|
65
|
62
|
307
|
221
|
123
|
99
|
87
|
76
|
72
|
34
|
49
|
45
|
41
|
54
|
40
|
45
|
45
|
33
|
44
|
57
|
44
|
|
|
2025/03
|
48
|
52
|
15
|
32
|
35
|
43
|
54
|
68
|
53
|
57
|
60
|
50
|
49
|
27
|
25
|
51
|
48
|
40
|
41
|
51
|
59
|
65
|
74
|
62
|
75
|
89
|
99
|
81
|
61
|
25
|
44
|
|
2025/02
|
36
|
22
|
60
|
69
|
72
|
70
|
67
|
60
|
42
|
51
|
71
|
72
|
82
|
89
|
44
|
52
|
43
|
42
|
46
|
47
|
108
|
42
|
63
|
100
|
97
|
72
|
52
|
42
|
|||
|
2025/01
|
121
|
134
|
154
|
179
|
120
|
85
|
95
|
83
|
57
|
63
|
69
|
85
|
83
|
96
|
76
|
68
|
73
|
89
|
104
|
105
|
116
|
122
|
191
|
228
|
28
|
33
|
57
|
75
|
311
|
152
|
54
|
|
2024/12
|
81
|
80
|
109
|
137
|
38
|
41
|
50
|
84
|
103
|
53
|
46
|
71
|
89
|
52
|
52
|
67
|
74
|
75
|
92
|
121
|
113
|
91
|
83
|
105
|
110
|
109
|
110
|
128
|
125
|
136
|
102
|
|
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