Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
109
*
PM10
58
O3
0.4
CO
6
SO2
29
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
14 May
91
Good
Thu
15 May
99
Good
Fri
16 May
99
Good
Sat
17 May
96
Good
Sun
18 May
100
Good
Mon
19 May
32
Excellent
Tue
20 May
26
Excellent
Air quality in the last 12 months (Yijun)
|
2025/02
|
144
|
96
|
36
|
36
|
37
|
58
|
80
|
35
|
52
|
63
|
64
|
72
|
60
|
66
|
54
|
73
|
69
|
67
|
78
|
102
|
112
|
97
|
37
|
48
|
67
|
64
|
71
|
79
|
|||
|
2025/01
|
68
|
59
|
61
|
81
|
78
|
46
|
41
|
42
|
45
|
60
|
73
|
83
|
83
|
48
|
35
|
56
|
73
|
87
|
77
|
90
|
85
|
125
|
182
|
154
|
42
|
71
|
52
|
73
|
114
|
114
|
156
|
|
2024/12
|
53
|
53
|
56
|
65
|
53
|
53
|
43
|
39
|
69
|
72
|
95
|
84
|
51
|
44
|
51
|
64
|
66
|
45
|
74
|
81
|
41
|
54
|
79
|
105
|
90
|
59
|
43
|
47
|
60
|
63
|
67
|
|
2024/11
|
61
|
47
|
48
|
41
|
52
|
70
|
91
|
94
|
85
|
120
|
108
|
95
|
45
|
28
|
48
|
59
|
38
|
31
|
48
|
46
|
58
|
65
|
93
|
88
|
40
|
40
|
60
|
50
|
42
|
43
|
|
|
2024/10
|
53
|
48
|
42
|
48
|
60
|
76
|
56
|
77
|
72
|
43
|
59
|
58
|
54
|
68
|
73
|
73
|
56
|
28
|
22
|
24
|
29
|
28
|
39
|
54
|
56
|
49
|
40
|
48
|
64
|
57
|
53
|
|
2024/09
|
45
|
39
|
31
|
35
|
33
|
35
|
32
|
37
|
45
|
43
|
42
|
30
|
37
|
28
|
45
|
37
|
36
|
32
|
29
|
24
|
21
|
35
|
49
|
64
|
71
|
65
|
70
|
63
|
33
|
30
|
|
|
2024/08
|
33
|
40
|
31
|
29
|
33
|
34
|
22
|
26
|
50
|
113
|
42
|
27
|
29
|
40
|
29
|
31
|
38
|
35
|
26
|
30
|
30
|
34
|
40
|
41
|
38
|
20
|
19
|
27
|
28
|
30
|
34
|
|
2024/07
|
27
|
33
|
35
|
28
|
36
|
40
|
29
|
19
|
33
|
48
|
40
|
42
|
49
|
50
|
35
|
15
|
20
|
23
|
29
|
20
|
46
|
23
|
25
|
37
|
63
|
55
|
46
|
49
|
35
|
24
|
39
|
|
2024/06
|
63
|
31
|
38
|
37
|
34
|
42
|
34
|
42
|
38
|
41
|
49
|
51
|
46
|
43
|
51
|
46
|
38
|
38
|
40
|
40
|
38
|
55
|
65
|
95
|
91
|
74
|
58
|
60
|
54
|
31
|
|
|
2024/05
|
38
|
38
|
35
|
37
|
41
|
41
|
49
|
51
|
49
|
47
|
94
|
59
|
53
|
56
|
70
|
55
|
67
|
62
|
53
|
51
|
55
|
53
|
46
|
44
|
54
|
44
|
41
|
48
|
36
|
56
|
66
|
|
2024/04
|
60
|
47
|
47
|
59
|
58
|
62
|
67
|
59
|
54
|
54
|
48
|
46
|
45
|
55
|
91
|
66
|
67
|
59
|
84
|
107
|
104
|
83
|
202
|
103
|
62
|
52
|
63
|
55
|
51
|
38
|
|
|
2024/03
|
41
|
57
|
57
|
65
|
87
|
53
|
80
|
63
|
76
|
74
|
72
|
59
|
73
|
63
|
68
|
200
|
112
|
109
|
130
|
92
|
73
|
107
|
97
|
29
|
38
|
60
|
64
|
63
|
65
|
58
|
63
|
|
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