Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
113
O3
0.2
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
105
Light
Sun
22 Jun
142
Light
Mon
23 Jun
156
Moderate
Tue
24 Jun
182
Moderate
Wed
25 Jun
180
Moderate
Thu
26 Jun
135
Light
Fri
27 Jun
32
Excellent
Air quality in the last 12 months (Sanhe)
|
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
|
|
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
|
|
|
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