Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
24
O3
0.7
CO
1
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jan
72
Good
Sat
31 Jan
61
Good
Sun
1 Feb
62
Good
Mon
2 Feb
69
Good
Tue
3 Feb
73
Good
Wed
4 Feb
71
Good
Thu
5 Feb
32
Excellent
Air quality in the last 12 months (Yuetang)
|
2025/12
|
103
|
128
|
86
|
65
|
75
|
95
|
103
|
140
|
128
|
123
|
144
|
172
|
32
|
56
|
58
|
58
|
96
|
130
|
90
|
105
|
102
|
78
|
48
|
72
|
69
|
63
|
77
|
75
|
89
|
168
|
156
|
|
2025/11
|
67
|
57
|
41
|
52
|
56
|
41
|
59
|
12
|
17
|
21
|
56
|
56
|
48
|
55
|
60
|
69
|
65
|
32
|
33
|
44
|
56
|
57
|
69
|
62
|
59
|
61
|
76
|
77
|
68
|
66
|
|
|
2025/10
|
56
|
49
|
42
|
44
|
51
|
30
|
49
|
68
|
58
|
54
|
96
|
170
|
79
|
63
|
66
|
47
|
31
|
11
|
10
|
12
|
20
|
34
|
40
|
46
|
77
|
84
|
83
|
71
|
71
|
91
|
70
|
|
2025/09
|
34
|
31
|
32
|
31
|
35
|
35
|
44
|
28
|
33
|
39
|
24
|
24
|
36
|
38
|
36
|
34
|
31
|
27
|
17
|
25
|
28
|
22
|
31
|
16
|
17
|
25
|
39
|
51
|
47
|
46
|
|
|
2025/08
|
42
|
53
|
29
|
23
|
24
|
14
|
15
|
20
|
28
|
28
|
43
|
43
|
32
|
26
|
16
|
28
|
27
|
29
|
14
|
18
|
21
|
21
|
28
|
21
|
25
|
27
|
31
|
27
|
27
|
44
|
37
|
|
2025/07
|
14
|
16
|
25
|
34
|
47
|
47
|
52
|
51
|
42
|
20
|
26
|
28
|
28
|
33
|
31
|
28
|
34
|
35
|
34
|
28
|
15
|
14
|
15
|
19
|
25
|
34
|
19
|
27
|
24
|
19
|
32
|
|
2025/06
|
13
|
29
|
46
|
53
|
47
|
44
|
29
|
28
|
40
|
44
|
29
|
19
|
32
|
18
|
19
|
27
|
13
|
14
|
17
|
17
|
20
|
13
|
21
|
22
|
36
|
37
|
26
|
19
|
20
|
21
|
|
|
2025/05
|
63
|
61
|
67
|
56
|
49
|
59
|
63
|
40
|
38
|
57
|
48
|
51
|
47
|
56
|
59
|
30
|
31
|
39
|
38
|
20
|
22
|
28
|
35
|
56
|
56
|
53
|
61
|
20
|
24
|
30
|
21
|
|
2025/04
|
65
|
69
|
66
|
76
|
77
|
90
|
75
|
71
|
69
|
63
|
56
|
237
|
161
|
142
|
89
|
69
|
74
|
73
|
33
|
58
|
35
|
50
|
57
|
35
|
38
|
44
|
38
|
49
|
67
|
46
|
|
|
2025/03
|
40
|
40
|
17
|
39
|
56
|
64
|
54
|
57
|
67
|
57
|
51
|
69
|
74
|
20
|
38
|
57
|
51
|
49
|
53
|
55
|
64
|
65
|
84
|
84
|
72
|
75
|
85
|
66
|
61
|
28
|
63
|
|
2025/02
|
61
|
55
|
72
|
75
|
67
|
68
|
81
|
50
|
51
|
54
|
72
|
87
|
110
|
108
|
66
|
71
|
66
|
50
|
50
|
52
|
126
|
37
|
68
|
85
|
106
|
103
|
71
|
62
|
|||
|
2025/01
|
150
|
141
|
194
|
223
|
88
|
86
|
93
|
85
|
62
|
61
|
67
|
76
|
77
|
83
|
92
|
66
|
68
|
89
|
120
|
115
|
105
|
89
|
250
|
196
|
20
|
39
|
64
|
90
|
188
|
90
|
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