Air Quality
Excellent
No health implications.
7
PM2.5
29
PM10
82
O3
0.4
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Feb
57
Good
Thu
6 Feb
85
Good
Fri
7 Feb
60
Good
Sat
8 Feb
84
Good
Sun
9 Feb
87
Good
Mon
10 Feb
128
Light
Tue
11 Feb
50
Excellent
Air quality in the last 12 months (Yanshi)
|
2024/12
|
53
|
61
|
67
|
114
|
43
|
48
|
59
|
72
|
122
|
125
|
116
|
123
|
65
|
52
|
49
|
62
|
89
|
82
|
79
|
82
|
59
|
79
|
104
|
132
|
100
|
102
|
78
|
42
|
59
|
69
|
81
|
|
2024/11
|
66
|
67
|
65
|
57
|
58
|
89
|
112
|
87
|
78
|
122
|
168
|
208
|
172
|
74
|
94
|
71
|
42
|
56
|
48
|
54
|
56
|
109
|
127
|
87
|
51
|
45
|
67
|
50
|
39
|
45
|
|
|
2024/10
|
52
|
52
|
61
|
67
|
77
|
90
|
108
|
144
|
134
|
63
|
93
|
134
|
134
|
118
|
124
|
130
|
84
|
19
|
31
|
28
|
48
|
31
|
42
|
61
|
89
|
80
|
57
|
154
|
143
|
152
|
207
|
|
2024/09
|
47
|
27
|
39
|
56
|
34
|
29
|
54
|
61
|
60
|
35
|
28
|
32
|
41
|
56
|
34
|
51
|
58
|
46
|
29
|
36
|
17
|
31
|
54
|
74
|
86
|
112
|
114
|
75
|
50
|
16
|
|
|
2024/08
|
33
|
40
|
32
|
29
|
38
|
29
|
31
|
34
|
30
|
113
|
70
|
30
|
43
|
40
|
47
|
53
|
43
|
37
|
32
|
30
|
25
|
38
|
55
|
53
|
44
|
32
|
21
|
32
|
47
|
51
|
49
|
|
2024/07
|
35
|
26
|
55
|
30
|
29
|
25
|
49
|
23
|
43
|
69
|
55
|
50
|
51
|
71
|
55
|
41
|
29
|
20
|
38
|
33
|
48
|
38
|
39
|
42
|
47
|
30
|
37
|
33
|
18
|
18
|
24
|
|
2024/06
|
63
|
54
|
52
|
65
|
49
|
70
|
66
|
58
|
48
|
54
|
55
|
70
|
63
|
56
|
53
|
47
|
32
|
46
|
54
|
53
|
34
|
42
|
57
|
101
|
103
|
80
|
57
|
58
|
41
|
52
|
|
|
2024/05
|
36
|
54
|
55
|
42
|
58
|
71
|
76
|
75
|
68
|
60
|
111
|
125
|
104
|
78
|
105
|
57
|
64
|
64
|
51
|
61
|
62
|
66
|
60
|
73
|
65
|
67
|
53
|
60
|
54
|
53
|
82
|
|
2024/04
|
123
|
124
|
94
|
52
|
76
|
72
|
59
|
59
|
81
|
82
|
53
|
57
|
58
|
44
|
70
|
81
|
71
|
71
|
65
|
63
|
75
|
86
|
83
|
78
|
79
|
69
|
65
|
65
|
67
|
49
|
|
|
2024/03
|
117
|
81
|
74
|
106
|
134
|
110
|
99
|
57
|
81
|
94
|
75
|
81
|
108
|
97
|
78
|
124
|
98
|
68
|
102
|
84
|
92
|
109
|
97
|
72
|
44
|
77
|
72
|
72
|
76
|
99
|
96
|
|
2024/02
|
82
|
65
|
91
|
118
|
119
|
190
|
250
|
161
|
97
|
182
|
96
|
99
|
112
|
103
|
69
|
81
|
80
|
192
|
150
|
49
|
48
|
34
|
43
|
64
|
102
|
102
|
84
|
90
|
111
|
||
|
2024/01
|
148
|
123
|
64
|
72
|
74
|
76
|
70
|
101
|
120
|
156
|
116
|
177
|
294
|
206
|
61
|
85
|
91
|
127
|
78
|
81
|
65
|
28
|
41
|
43
|
38
|
52
|
57
|
63
|
111
|
190
|
248
|
|
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