Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
51
PM2.5
112
*
PM10
43
O3
0.5
CO
8
SO2
45
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
1 Apr
39
Excellent
Wed
2 Apr
31
Excellent
Thu
3 Apr
74
Good
Fri
4 Apr
53
Good
Sat
5 Apr
67
Good
Sun
6 Apr
37
Excellent
Mon
7 Apr
45
Excellent
Air quality in the last 12 months (Sanhe)
|
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
|
|
2024/11
|
121
|
96
|
64
|
13
|
40
|
52
|
103
|
128
|
124
|
115
|
59
|
73
|
55
|
42
|
65
|
39
|
23
|
36
|
56
|
70
|
31
|
33
|
47
|
92
|
54
|
9
|
22
|
22
|
30
|
44
|
|
|
2024/10
|
12
|
14
|
34
|
63
|
79
|
86
|
21
|
22
|
79
|
23
|
59
|
100
|
115
|
182
|
46
|
39
|
60
|
50
|
10
|
28
|
54
|
24
|
45
|
88
|
133
|
180
|
50
|
53
|
98
|
66
|
94
|
|
2024/09
|
23
|
12
|
31
|
51
|
22
|
22
|
27
|
36
|
66
|
20
|
17
|
21
|
31
|
27
|
25
|
41
|
37
|
44
|
49
|
24
|
8
|
14
|
39
|
57
|
43
|
30
|
45
|
57
|
58
|
8
|
|
|
2024/08
|
21
|
38
|
39
|
25
|
16
|
45
|
45
|
32
|
52
|
31
|
27
|
15
|
13
|
22
|
44
|
44
|
43
|
28
|
21
|
14
|
22
|
25
|
36
|
26
|
40
|
18
|
18
|
31
|
39
|
55
|
45
|
|
2024/07
|
26
|
38
|
28
|
58
|
82
|
37
|
50
|
34
|
61
|
68
|
78
|
61
|
60
|
75
|
62
|
51
|
23
|
22
|
42
|
28
|
44
|
23
|
64
|
57
|
21
|
18
|
31
|
25
|
39
|
14
|
24
|
|
2024/06
|
33
|
43
|
47
|
59
|
61
|
67
|
48
|
38
|
65
|
70
|
57
|
53
|
64
|
38
|
31
|
48
|
61
|
73
|
93
|
58
|
51
|
105
|
100
|
30
|
50
|
62
|
60
|
58
|
61
|
38
|
|
|
2024/05
|
45
|
62
|
60
|
69
|
86
|
69
|
61
|
72
|
73
|
98
|
181
|
40
|
63
|
63
|
29
|
58
|
68
|
79
|
62
|
27
|
37
|
85
|
65
|
33
|
23
|
20
|
37
|
55
|
62
|
45
|
14
|
|
2024/04
|
83
|
82
|
72
|
67
|
72
|
94
|
56
|
86
|
60
|
60
|
123
|
121
|
85
|
62
|
87
|
52
|
79
|
88
|
63
|
48
|
82
|
80
|
18
|
49
|
100
|
102
|
83
|
27
|
25
|
27
|
|
|
2024/03
|
28
|
72
|
62
|
59
|
79
|
56
|
54
|
18
|
60
|
116
|
100
|
56
|
67
|
83
|
113
|
113
|
37
|
104
|
78
|
44
|
78
|
57
|
80
|
92
|
89
|
101
|
126
|
183
|
100
|
50
|
83
|
|
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