Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
PM2.5
71
*
PM10
82
O3
0.4
CO
5
SO2
21
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
3 May
120
Lightly
Sat
4 May
110
Lightly
Sun
5 May
64
Good
Mon
6 May
48
Excellent
Tue
7 May
59
Good
Wed
8 May
59
Good
Air quality in the last 12 months (Sanhe)
|
2024/02
|
51
|
81
|
100
|
108
|
112
|
72
|
27
|
32
|
72
|
36
|
81
|
157
|
202
|
120
|
27
|
70
|
91
|
95
|
25
|
25
|
24
|
24
|
35
|
66
|
60
|
83
|
69
|
83
|
47
|
||
|
2024/01
|
117
|
126
|
31
|
82
|
33
|
23
|
22
|
56
|
59
|
44
|
123
|
122
|
76
|
27
|
35
|
84
|
114
|
89
|
60
|
47
|
24
|
22
|
22
|
26
|
24
|
33
|
34
|
40
|
85
|
130
|
93
|
|
2023/12
|
31
|
50
|
72
|
123
|
135
|
87
|
175
|
157
|
104
|
62
|
37
|
67
|
110
|
65
|
22
|
20
|
31
|
87
|
56
|
20
|
21
|
28
|
29
|
34
|
69
|
82
|
51
|
57
|
142
|
200
|
33
|
|
2023/11
|
171
|
102
|
39
|
62
|
40
|
51
|
40
|
58
|
28
|
19
|
24
|
18
|
32
|
56
|
102
|
28
|
18
|
37
|
47
|
73
|
173
|
139
|
25
|
23
|
53
|
65
|
47
|
28
|
21
|
20
|
|
|
2023/10
|
27
|
56
|
58
|
32
|
25
|
46
|
74
|
58
|
24
|
29
|
55
|
83
|
60
|
22
|
33
|
45
|
62
|
45
|
20
|
23
|
39
|
59
|
129
|
156
|
114
|
44
|
62
|
105
|
168
|
155
|
124
|
|
2023/09
|
36
|
54
|
51
|
89
|
103
|
97
|
99
|
106
|
32
|
33
|
40
|
23
|
38
|
51
|
67
|
75
|
76
|
39
|
29
|
25
|
43
|
32
|
33
|
43
|
49
|
72
|
58
|
32
|
56
|
24
|
|
|
2023/08
|
33
|
33
|
58
|
53
|
38
|
33
|
46
|
53
|
74
|
61
|
61
|
24
|
28
|
51
|
49
|
59
|
50
|
49
|
72
|
63
|
36
|
26
|
32
|
29
|
27
|
34
|
42
|
32
|
28
|
35
|
44
|
|
2023/07
|
89
|
90
|
55
|
41
|
47
|
74
|
52
|
40
|
33
|
67
|
58
|
36
|
26
|
35
|
30
|
31
|
60
|
68
|
82
|
83
|
56
|
31
|
36
|
72
|
50
|
59
|
67
|
33
|
31
|
14
|
24
|
|
2023/06
|
71
|
33
|
39
|
41
|
70
|
39
|
58
|
60
|
36
|
32
|
35
|
40
|
35
|
83
|
94
|
96
|
95
|
92
|
84
|
43
|
42
|
79
|
92
|
81
|
70
|
52
|
67
|
50
|
50
|
88
|
|
|
2023/05
|
74
|
81
|
82
|
48
|
27
|
33
|
41
|
52
|
56
|
60
|
71
|
64
|
38
|
78
|
104
|
88
|
50
|
43
|
82
|
169
|
138
|
47
|
46
|
72
|
67
|
82
|
88
|
55
|
73
|
53
|
61
|
|
2023/04
|
83
|
83
|
71
|
42
|
40
|
53
|
36
|
56
|
101
|
164
|
301
|
323
|
460
|
165
|
95
|
50
|
78
|
71
|
78
|
70
|
47
|
33
|
57
|
60
|
61
|
53
|
87
|
55
|
43
|
46
|
|
|
2023/03
|
36
|
54
|
77
|
156
|
202
|
158
|
219
|
143
|
78
|
233
|
124
|
51
|
78
|
164
|
122
|
45
|
70
|
55
|
84
|
153
|
165
|
347
|
109
|
68
|
66
|
64
|
57
|
97
|
115
|
103
|
84
|
|
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