Air Quality
Excellent
No health implications.
17
PM2.5
38
PM10
95
O3
0.3
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
88
Good
Sun
26 Apr
95
Good
Mon
27 Apr
92
Good
Tue
28 Apr
92
Good
Wed
29 Apr
83
Good
Thu
30 Apr
25
Excellent
Fri
1 May
27
Excellent
Air quality in the last 12 months (Yanshi)
|
2026/03
|
46
|
64
|
117
|
176
|
113
|
89
|
60
|
81
|
126
|
145
|
172
|
127
|
182
|
133
|
54
|
80
|
112
|
67
|
73
|
82
|
101
|
107
|
98
|
95
|
71
|
82
|
77
|
88
|
60
|
80
|
79
|
|
2026/02
|
98
|
70
|
137
|
94
|
87
|
67
|
58
|
85
|
99
|
89
|
86
|
95
|
90
|
84
|
76
|
38
|
81
|
63
|
56
|
55
|
87
|
235
|
203
|
72
|
57
|
46
|
73
|
67
|
|||
|
2026/01
|
76
|
128
|
126
|
109
|
70
|
38
|
45
|
57
|
54
|
74
|
61
|
72
|
80
|
88
|
86
|
112
|
85
|
73
|
64
|
82
|
139
|
141
|
152
|
226
|
194
|
186
|
191
|
194
|
210
|
147
|
126
|
|
2025/12
|
150
|
100
|
59
|
70
|
100
|
112
|
86
|
90
|
134
|
180
|
145
|
55
|
84
|
84
|
66
|
127
|
196
|
193
|
172
|
147
|
97
|
81
|
97
|
88
|
59
|
98
|
104
|
114
|
81
|
159
|
65
|
|
2025/11
|
51
|
66
|
87
|
139
|
116
|
113
|
56
|
39
|
75
|
93
|
91
|
83
|
74
|
71
|
70
|
76
|
39
|
31
|
37
|
48
|
51
|
55
|
74
|
120
|
96
|
127
|
235
|
119
|
82
|
81
|
|
|
2025/10
|
29
|
18
|
41
|
48
|
24
|
20
|
31
|
41
|
13
|
22
|
31
|
29
|
36
|
62
|
56
|
55
|
17
|
29
|
49
|
40
|
47
|
68
|
96
|
117
|
78
|
69
|
123
|
144
|
162
|
166
|
121
|
|
2025/09
|
41
|
47
|
32
|
18
|
25
|
52
|
59
|
40
|
33
|
46
|
20
|
32
|
45
|
41
|
49
|
34
|
25
|
19
|
14
|
29
|
41
|
17
|
20
|
26
|
42
|
45
|
23
|
23
|
33
|
45
|
|
|
2025/08
|
34
|
32
|
42
|
38
|
40
|
28
|
36
|
32
|
22
|
33
|
27
|
42
|
42
|
35
|
27
|
22
|
32
|
39
|
33
|
35
|
30
|
41
|
43
|
34
|
57
|
46
|
45
|
34
|
27
|
31
|
32
|
|
2025/07
|
23
|
30
|
30
|
40
|
27
|
34
|
38
|
44
|
40
|
52
|
62
|
58
|
53
|
53
|
44
|
51
|
46
|
50
|
43
|
41
|
29
|
34
|
19
|
24
|
32
|
36
|
36
|
36
|
38
|
35
|
35
|
|
2025/06
|
53
|
52
|
50
|
54
|
58
|
57
|
71
|
70
|
62
|
68
|
69
|
58
|
60
|
48
|
50
|
48
|
52
|
38
|
38
|
46
|
44
|
51
|
42
|
49
|
57
|
33
|
49
|
41
|
37
|
35
|
|
|
2025/05
|
70
|
109
|
72
|
60
|
133
|
169
|
153
|
92
|
90
|
45
|
45
|
56
|
69
|
67
|
55
|
64
|
130
|
88
|
101
|
79
|
88
|
71
|
91
|
68
|
56
|
54
|
73
|
72
|
81
|
62
|
52
|
|
2025/04
|
53
|
52
|
62
|
80
|
60
|
76
|
79
|
84
|
92
|
87
|
87
|
219
|
96
|
49
|
52
|
99
|
115
|
98
|
77
|
84
|
57
|
117
|
125
|
82
|
75
|
80
|
71
|
59
|
53
|
114
|
|
|
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