Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
77
*
PM10
100
O3
0.7
CO
12
SO2
14
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 May
101
Light
Mon
5 May
118
Light
Tue
6 May
105
Light
Wed
7 May
77
Good
Thu
8 May
86
Good
Fri
9 May
66
Good
Sat
10 May
47
Excellent
Air quality in the last 12 months (Sanyuan)
|
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
|
|
2024/06
|
78
|
34
|
56
|
51
|
49
|
69
|
46
|
48
|
48
|
52
|
53
|
53
|
57
|
54
|
63
|
47
|
39
|
47
|
45
|
47
|
23
|
52
|
61
|
77
|
101
|
74
|
63
|
63
|
39
|
49
|
|
|
2024/05
|
51
|
53
|
39
|
41
|
46
|
45
|
56
|
63
|
52
|
53
|
90
|
71
|
74
|
60
|
83
|
63
|
72
|
70
|
56
|
54
|
58
|
60
|
55
|
54
|
59
|
46
|
58
|
58
|
36
|
60
|
83
|
|
2024/04
|
70
|
70
|
63
|
74
|
69
|
80
|
75
|
81
|
65
|
53
|
61
|
59
|
50
|
44
|
90
|
87
|
75
|
69
|
112
|
104
|
116
|
91
|
262
|
129
|
80
|
64
|
71
|
69
|
44
|
28
|
|
|
2024/03
|
52
|
58
|
80
|
90
|
123
|
73
|
85
|
67
|
87
|
88
|
70
|
64
|
88
|
103
|
72
|
272
|
194
|
84
|
139
|
109
|
85
|
115
|
106
|
51
|
40
|
67
|
85
|
71
|
62
|
68
|
83
|
|
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