Air Quality
Excellent
No health implications.
8
PM2.5
23
PM10
50
O3
0.2
CO
3
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Dec
67
Good
Tue
9 Dec
105
Light
Wed
10 Dec
126
Light
Thu
11 Dec
71
Good
Fri
12 Dec
57
Good
Sat
13 Dec
42
Excellent
Sun
14 Dec
43
Excellent
Air quality in the last 12 months (Sanhe)
|
2025/11
|
37
|
13
|
50
|
83
|
180
|
134
|
67
|
61
|
27
|
51
|
89
|
73
|
21
|
64
|
80
|
29
|
17
|
21
|
38
|
28
|
46
|
67
|
99
|
58
|
32
|
72
|
29
|
77
|
102
|
91
|
|
|
2025/10
|
46
|
46
|
47
|
53
|
54
|
21
|
42
|
26
|
8
|
12
|
20
|
34
|
49
|
47
|
63
|
69
|
29
|
13
|
13
|
16
|
24
|
50
|
65
|
92
|
133
|
35
|
34
|
120
|
183
|
139
|
69
|
|
2025/09
|
26
|
47
|
52
|
65
|
58
|
24
|
31
|
25
|
51
|
34
|
59
|
69
|
55
|
30
|
23
|
24
|
15
|
23
|
32
|
37
|
52
|
37
|
37
|
58
|
46
|
50
|
57
|
37
|
36
|
42
|
|
|
2025/08
|
54
|
54
|
28
|
36
|
21
|
38
|
37
|
33
|
16
|
30
|
41
|
44
|
15
|
33
|
42
|
28
|
36
|
36
|
23
|
24
|
32
|
20
|
22
|
17
|
24
|
31
|
22
|
10
|
39
|
36
|
25
|
|
2025/07
|
44
|
35
|
26
|
41
|
31
|
10
|
36
|
41
|
45
|
44
|
48
|
45
|
19
|
35
|
45
|
27
|
15
|
36
|
44
|
24
|
27
|
45
|
34
|
22
|
38
|
45
|
40
|
22
|
8
|
17
|
40
|
|
2025/06
|
60
|
36
|
11
|
25
|
57
|
39
|
34
|
46
|
47
|
30
|
51
|
65
|
59
|
58
|
17
|
15
|
45
|
67
|
52
|
26
|
21
|
40
|
63
|
77
|
59
|
60
|
77
|
54
|
95
|
52
|
|
|
2025/05
|
34
|
44
|
24
|
51
|
53
|
19
|
73
|
92
|
28
|
35
|
64
|
82
|
75
|
23
|
42
|
76
|
38
|
46
|
65
|
95
|
71
|
64
|
47
|
32
|
54
|
59
|
49
|
58
|
65
|
76
|
68
|
|
2025/04
|
49
|
18
|
60
|
71
|
21
|
70
|
52
|
38
|
55
|
85
|
102
|
126
|
75
|
45
|
54
|
93
|
63
|
39
|
34
|
65
|
76
|
32
|
58
|
33
|
49
|
88
|
31
|
58
|
63
|
53
|
|
|
2025/03
|
213
|
59
|
32
|
54
|
85
|
21
|
69
|
112
|
166
|
132
|
187
|
65
|
86
|
70
|
45
|
19
|
24
|
26
|
41
|
31
|
34
|
51
|
114
|
85
|
54
|
84
|
49
|
34
|
24
|
45
|
65
|
|
2025/02
|
83
|
58
|
10
|
13
|
20
|
43
|
23
|
14
|
14
|
75
|
133
|
39
|
81
|
65
|
100
|
30
|
15
|
41
|
28
|
27
|
14
|
18
|
17
|
40
|
54
|
62
|
126
|
175
|
|||
|
2025/01
|
64
|
25
|
34
|
64
|
58
|
15
|
14
|
12
|
12
|
15
|
27
|
28
|
51
|
23
|
26
|
48
|
67
|
101
|
44
|
78
|
71
|
63
|
91
|
131
|
148
|
98
|
16
|
44
|
164
|
72
|
89
|
|
2024/12
|
60
|
14
|
36
|
30
|
27
|
20
|
14
|
17
|
38
|
47
|
47
|
67
|
26
|
29
|
43
|
36
|
17
|
16
|
53
|
46
|
16
|
18
|
34
|
78
|
79
|
21
|
17
|
37
|
77
|
63
|
42
|
|
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