Air Quality
Excellent
No health implications.
22
PM2.5
39
PM10
115
O3
0.5
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
89
Good
Sun
13 Jul
93
Good
Mon
14 Jul
112
Light
Tue
15 Jul
122
Light
Wed
16 Jul
104
Light
Thu
17 Jul
91
Good
Fri
18 Jul
37
Excellent
Air quality in the last 12 months (Sanyuan)
|
2025/06
|
40
|
45
|
51
|
52
|
44
|
57
|
40
|
40
|
45
|
53
|
61
|
52
|
57
|
55
|
58
|
65
|
61
|
43
|
29
|
33
|
40
|
42
|
33
|
43
|
31
|
28
|
33
|
27
|
40
|
23
|
|
|
2025/05
|
99
|
89
|
83
|
75
|
140
|
433
|
165
|
105
|
86
|
53
|
48
|
57
|
43
|
69
|
73
|
68
|
191
|
131
|
76
|
69
|
67
|
79
|
57
|
51
|
41
|
35
|
55
|
54
|
53
|
56
|
50
|
|
2025/04
|
79
|
78
|
81
|
104
|
87
|
89
|
79
|
101
|
114
|
77
|
120
|
309
|
146
|
83
|
60
|
123
|
124
|
112
|
81
|
73
|
71
|
178
|
104
|
72
|
71
|
68
|
49
|
48
|
62
|
100
|
|
|
2025/03
|
170
|
71
|
28
|
58
|
87
|
81
|
86
|
96
|
74
|
92
|
170
|
227
|
107
|
79
|
45
|
46
|
54
|
43
|
51
|
57
|
68
|
72
|
91
|
80
|
68
|
232
|
188
|
126
|
79
|
69
|
73
|
|
2025/02
|
206
|
170
|
39
|
50
|
41
|
60
|
91
|
39
|
62
|
96
|
117
|
86
|
106
|
91
|
80
|
81
|
90
|
96
|
109
|
112
|
140
|
156
|
64
|
61
|
85
|
86
|
112
|
146
|
|||
|
2025/01
|
119
|
102
|
83
|
125
|
114
|
71
|
55
|
69
|
60
|
77
|
72
|
78
|
115
|
98
|
38
|
74
|
96
|
111
|
120
|
162
|
152
|
205
|
208
|
133
|
55
|
84
|
61
|
116
|
276
|
216
|
254
|
|
2024/12
|
82
|
79
|
68
|
96
|
73
|
80
|
74
|
50
|
89
|
127
|
163
|
139
|
54
|
61
|
71
|
110
|
125
|
89
|
88
|
115
|
55
|
81
|
100
|
112
|
137
|
111
|
60
|
54
|
79
|
76
|
83
|
|
2024/11
|
98
|
77
|
79
|
55
|
72
|
101
|
129
|
144
|
110
|
173
|
180
|
181
|
96
|
66
|
48
|
55
|
26
|
29
|
53
|
53
|
59
|
97
|
132
|
118
|
34
|
53
|
75
|
73
|
61
|
63
|
|
|
2024/10
|
49
|
60
|
58
|
57
|
76
|
133
|
139
|
142
|
103
|
65
|
80
|
111
|
64
|
93
|
103
|
99
|
70
|
44
|
34
|
33
|
40
|
36
|
56
|
98
|
86
|
68
|
45
|
69
|
117
|
128
|
91
|
|
2024/09
|
67
|
51
|
40
|
47
|
37
|
46
|
42
|
40
|
49
|
62
|
51
|
37
|
39
|
42
|
55
|
40
|
49
|
46
|
31
|
33
|
33
|
49
|
63
|
89
|
138
|
110
|
96
|
67
|
38
|
35
|
|
|
2024/08
|
46
|
47
|
38
|
34
|
38
|
39
|
32
|
32
|
53
|
121
|
60
|
47
|
45
|
48
|
45
|
43
|
55
|
41
|
45
|
46
|
35
|
45
|
56
|
57
|
49
|
27
|
29
|
38
|
37
|
40
|
39
|
|
2024/07
|
26
|
30
|
39
|
40
|
43
|
48
|
33
|
16
|
25
|
50
|
39
|
50
|
60
|
57
|
41
|
19
|
16
|
20
|
32
|
26
|
41
|
31
|
39
|
71
|
84
|
72
|
44
|
56
|
43
|
26
|
41
|
|
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