Air Quality
Excellent
No health implications.
21
PM2.5
31
PM10
102
O3
0.4
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
63
Good
Sun
20 Apr
77
Good
Mon
21 Apr
65
Good
Tue
22 Apr
45
Excellent
Wed
23 Apr
48
Excellent
Thu
24 Apr
37
Excellent
Fri
25 Apr
44
Excellent
Air quality in the last 12 months (Yutian)
|
2025/02
|
70
|
69
|
15
|
16
|
23
|
46
|
19
|
18
|
29
|
79
|
134
|
48
|
85
|
80
|
107
|
41
|
18
|
55
|
43
|
38
|
23
|
34
|
22
|
49
|
62
|
70
|
134
|
193
|
|||
|
2025/01
|
72
|
34
|
45
|
81
|
80
|
29
|
23
|
15
|
19
|
28
|
46
|
43
|
55
|
35
|
29
|
54
|
71
|
119
|
69
|
84
|
82
|
64
|
88
|
128
|
153
|
95
|
17
|
49
|
169
|
67
|
74
|
|
2024/12
|
83
|
17
|
42
|
40
|
40
|
30
|
17
|
25
|
55
|
59
|
46
|
84
|
45
|
28
|
45
|
46
|
34
|
31
|
60
|
50
|
22
|
29
|
55
|
90
|
95
|
24
|
22
|
40
|
88
|
76
|
48
|
|
2024/11
|
121
|
77
|
66
|
19
|
50
|
59
|
89
|
101
|
115
|
105
|
58
|
66
|
54
|
34
|
57
|
45
|
30
|
41
|
63
|
82
|
48
|
42
|
51
|
86
|
51
|
12
|
15
|
18
|
34
|
48
|
|
|
2024/10
|
15
|
20
|
46
|
63
|
75
|
68
|
25
|
36
|
71
|
29
|
70
|
93
|
100
|
149
|
73
|
43
|
69
|
54
|
16
|
33
|
52
|
39
|
54
|
93
|
126
|
159
|
70
|
65
|
96
|
72
|
102
|
|
2024/09
|
28
|
18
|
35
|
55
|
28
|
31
|
31
|
45
|
66
|
27
|
20
|
27
|
40
|
39
|
30
|
50
|
56
|
52
|
54
|
23
|
12
|
21
|
42
|
57
|
65
|
36
|
47
|
60
|
57
|
13
|
|
|
2024/08
|
29
|
46
|
45
|
22
|
27
|
51
|
45
|
36
|
49
|
41
|
45
|
40
|
23
|
31
|
46
|
48
|
54
|
46
|
28
|
15
|
31
|
34
|
34
|
27
|
44
|
24
|
28
|
42
|
48
|
59
|
43
|
|
2024/07
|
31
|
47
|
32
|
62
|
79
|
42
|
53
|
39
|
64
|
68
|
79
|
71
|
64
|
71
|
53
|
50
|
31
|
33
|
45
|
37
|
48
|
24
|
62
|
57
|
23
|
20
|
33
|
29
|
43
|
21
|
25
|
|
2024/06
|
38
|
46
|
48
|
54
|
59
|
62
|
55
|
48
|
82
|
80
|
77
|
61
|
67
|
41
|
37
|
49
|
69
|
80
|
77
|
49
|
52
|
105
|
131
|
39
|
57
|
65
|
60
|
56
|
57
|
39
|
|
|
2024/05
|
47
|
60
|
62
|
72
|
90
|
69
|
68
|
79
|
75
|
95
|
200
|
38
|
62
|
72
|
26
|
55
|
68
|
79
|
50
|
30
|
45
|
85
|
58
|
27
|
28
|
20
|
37
|
55
|
65
|
52
|
20
|
|
2024/04
|
80
|
67
|
67
|
62
|
71
|
96
|
68
|
93
|
66
|
63
|
118
|
120
|
73
|
51
|
95
|
46
|
76
|
85
|
68
|
54
|
71
|
75
|
21
|
45
|
95
|
95
|
70
|
31
|
32
|
34
|
|
|
2024/03
|
32
|
66
|
62
|
64
|
77
|
80
|
69
|
18
|
66
|
109
|
119
|
85
|
78
|
108
|
110
|
126
|
43
|
85
|
83
|
44
|
79
|
55
|
90
|
75
|
72
|
81
|
110
|
211
|
100
|
68
|
81
|
|
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