Air Quality
Excellent
No health implications.
11
PM2.5
24
PM10
77
O3
0.4
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Sep
35
Excellent
Sat
6 Sep
49
Excellent
Sun
7 Sep
63
Good
Mon
8 Sep
54
Good
Tue
9 Sep
67
Good
Wed
10 Sep
73
Good
Thu
11 Sep
34
Excellent
Air quality in the last 12 months (Yijun)
|
2025/08
|
35
|
36
|
36
|
36
|
31
|
37
|
33
|
25
|
20
|
27
|
33
|
37
|
38
|
41
|
30
|
19
|
19
|
25
|
25
|
27
|
32
|
38
|
21
|
20
|
29
|
33
|
24
|
18
|
21
|
31
|
25
|
|
2025/07
|
24
|
14
|
23
|
23
|
21
|
30
|
35
|
24
|
29
|
32
|
41
|
48
|
44
|
37
|
43
|
35
|
37
|
37
|
41
|
27
|
25
|
32
|
22
|
17
|
19
|
22
|
27
|
31
|
34
|
31
|
33
|
|
2025/06
|
31
|
37
|
38
|
48
|
40
|
50
|
49
|
42
|
50
|
49
|
52
|
54
|
52
|
49
|
49
|
61
|
49
|
32
|
25
|
31
|
34
|
36
|
35
|
40
|
27
|
25
|
26
|
25
|
35
|
24
|
|
|
2025/05
|
104
|
92
|
57
|
68
|
211
|
311
|
132
|
89
|
59
|
48
|
44
|
50
|
48
|
74
|
61
|
71
|
231
|
92
|
62
|
59
|
57
|
92
|
53
|
52
|
36
|
31
|
40
|
44
|
51
|
53
|
29
|
|
2025/04
|
60
|
62
|
81
|
105
|
74
|
82
|
81
|
97
|
101
|
64
|
145
|
269
|
95
|
63
|
53
|
139
|
99
|
87
|
74
|
62
|
85
|
175
|
88
|
59
|
61
|
61
|
48
|
39
|
54
|
127
|
|
|
2025/03
|
98
|
67
|
25
|
48
|
65
|
59
|
72
|
72
|
61
|
64
|
173
|
172
|
87
|
59
|
46
|
40
|
41
|
42
|
40
|
45
|
55
|
63
|
101
|
175
|
89
|
187
|
169
|
125
|
58
|
59
|
62
|
|
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
|
|
|
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