Air Quality
Excellent
No health implications.
21
PM2.5
37
PM10
17
O3
1.0
CO
5
SO2
51
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Oct
45
Excellent
Sun
26 Oct
39
Excellent
Mon
27 Oct
52
Good
Tue
28 Oct
77
Good
Wed
29 Oct
64
Good
Thu
30 Oct
42
Excellent
Fri
31 Oct
32
Excellent
Air quality in the last 12 months (Yuquan)
|
2025/08
|
42
|
32
|
32
|
27
|
41
|
34
|
23
|
16
|
21
|
20
|
39
|
29
|
25
|
39
|
29
|
18
|
30
|
22
|
13
|
23
|
30
|
41
|
28
|
29
|
27
|
18
|
16
|
29
|
41
|
35
|
34
|
|
2025/07
|
44
|
28
|
36
|
46
|
8
|
16
|
26
|
28
|
26
|
23
|
25
|
35
|
24
|
36
|
25
|
11
|
18
|
34
|
26
|
11
|
19
|
32
|
27
|
13
|
18
|
14
|
14
|
24
|
21
|
13
|
31
|
|
2025/06
|
28
|
18
|
18
|
20
|
39
|
21
|
15
|
24
|
20
|
24
|
43
|
50
|
28
|
17
|
10
|
17
|
41
|
32
|
13
|
20
|
17
|
21
|
39
|
41
|
41
|
46
|
36
|
27
|
35
|
37
|
|
|
2025/05
|
45
|
17
|
31
|
41
|
71
|
43
|
65
|
58
|
33
|
51
|
53
|
61
|
51
|
26
|
51
|
127
|
33
|
48
|
47
|
67
|
34
|
23
|
57
|
46
|
40
|
32
|
37
|
54
|
57
|
41
|
9
|
|
2025/04
|
35
|
31
|
87
|
63
|
45
|
89
|
50
|
44
|
56
|
58
|
133
|
25
|
21
|
19
|
79
|
144
|
51
|
27
|
55
|
63
|
43
|
63
|
42
|
31
|
47
|
48
|
15
|
55
|
51
|
32
|
|
|
2025/03
|
70
|
32
|
34
|
71
|
38
|
25
|
50
|
68
|
79
|
154
|
240
|
102
|
64
|
45
|
24
|
31
|
20
|
24
|
33
|
31
|
61
|
82
|
212
|
172
|
89
|
161
|
73
|
28
|
16
|
31
|
46
|
|
2025/02
|
104
|
30
|
19
|
26
|
40
|
68
|
19
|
28
|
43
|
66
|
59
|
47
|
77
|
83
|
86
|
28
|
37
|
16
|
11
|
24
|
22
|
17
|
35
|
62
|
72
|
78
|
98
|
96
|
|||
|
2025/01
|
113
|
38
|
56
|
80
|
75
|
24
|
36
|
10
|
31
|
46
|
56
|
42
|
77
|
17
|
49
|
67
|
67
|
98
|
87
|
73
|
49
|
71
|
87
|
47
|
104
|
90
|
25
|
78
|
256
|
278
|
135
|
|
2024/12
|
47
|
25
|
53
|
50
|
49
|
26
|
21
|
45
|
59
|
65
|
44
|
75
|
61
|
61
|
72
|
68
|
35
|
24
|
55
|
55
|
35
|
42
|
43
|
69
|
52
|
37
|
35
|
74
|
189
|
142
|
60
|
|
2024/11
|
94
|
94
|
28
|
21
|
44
|
50
|
64
|
68
|
92
|
27
|
66
|
68
|
58
|
86
|
67
|
62
|
38
|
46
|
62
|
99
|
108
|
51
|
73
|
66
|
15
|
19
|
25
|
25
|
51
|
56
|
|
|
2024/10
|
13
|
29
|
42
|
52
|
58
|
30
|
28
|
52
|
46
|
34
|
54
|
57
|
47
|
51
|
17
|
70
|
98
|
16
|
18
|
29
|
32
|
23
|
57
|
58
|
56
|
20
|
23
|
46
|
54
|
37
|
53
|
|
2024/09
|
11
|
19
|
34
|
18
|
10
|
10
|
26
|
36
|
36
|
14
|
14
|
31
|
26
|
10
|
19
|
12
|
29
|
62
|
52
|
6
|
7
|
20
|
46
|
50
|
17
|
41
|
59
|
62
|
26
|
13
|
|
|
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