Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
44
PM2.5
122
*
PM10
147
O3
0.6
CO
7
SO2
16
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
25 Apr
77
Good
Sat
26 Apr
95
Good
Sun
27 Apr
95
Good
Mon
28 Apr
82
Good
Tue
29 Apr
101
Light
Wed
30 Apr
100
Good
Thu
1 May
27
Excellent
Air quality in the last 12 months (Yanshi)
|
2025/02
|
103
|
157
|
87
|
37
|
40
|
53
|
63
|
41
|
79
|
110
|
150
|
80
|
59
|
64
|
67
|
70
|
86
|
99
|
66
|
84
|
131
|
138
|
118
|
106
|
83
|
81
|
119
|
151
|
|||
|
2025/01
|
111
|
159
|
133
|
126
|
80
|
69
|
58
|
51
|
73
|
71
|
66
|
63
|
91
|
83
|
40
|
48
|
77
|
86
|
78
|
118
|
162
|
189
|
84
|
115
|
118
|
63
|
34
|
60
|
167
|
180
|
122
|
|
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
|
|
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