Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
77
O3
0.3
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
64
Good
Sun
11 May
82
Good
Mon
12 May
90
Good
Tue
13 May
117
Light
Wed
14 May
113
Light
Thu
15 May
43
Excellent
Fri
16 May
30
Excellent
Air quality in the last 12 months (Decheng)
|
2025/02
|
59
|
86
|
36
|
23
|
45
|
98
|
37
|
32
|
59
|
79
|
93
|
109
|
107
|
83
|
92
|
59
|
48
|
55
|
60
|
72
|
62
|
48
|
42
|
65
|
75
|
92
|
124
|
146
|
|||
|
2025/01
|
123
|
50
|
67
|
163
|
167
|
40
|
54
|
49
|
42
|
59
|
88
|
77
|
78
|
88
|
45
|
68
|
72
|
118
|
114
|
79
|
142
|
50
|
94
|
112
|
79
|
102
|
33
|
86
|
189
|
84
|
62
|
|
2024/12
|
96
|
51
|
52
|
83
|
102
|
100
|
35
|
60
|
96
|
101
|
60
|
63
|
74
|
63
|
63
|
88
|
68
|
32
|
68
|
83
|
40
|
52
|
74
|
100
|
162
|
49
|
58
|
60
|
93
|
114
|
87
|
|
2024/11
|
53
|
70
|
125
|
47
|
43
|
62
|
66
|
60
|
62
|
91
|
137
|
176
|
195
|
61
|
68
|
70
|
54
|
37
|
57
|
71
|
83
|
65
|
60
|
68
|
48
|
31
|
42
|
46
|
58
|
74
|
|
|
2024/10
|
25
|
25
|
42
|
64
|
67
|
84
|
70
|
57
|
104
|
80
|
73
|
80
|
100
|
125
|
150
|
76
|
115
|
17
|
25
|
31
|
48
|
54
|
74
|
85
|
110
|
147
|
129
|
44
|
111
|
183
|
219
|
|
2024/09
|
42
|
25
|
25
|
53
|
29
|
26
|
43
|
54
|
51
|
20
|
33
|
33
|
30
|
36
|
32
|
30
|
48
|
49
|
57
|
37
|
17
|
19
|
36
|
58
|
71
|
87
|
63
|
60
|
55
|
25
|
|
|
2024/08
|
33
|
33
|
34
|
19
|
20
|
36
|
40
|
28
|
46
|
62
|
33
|
21
|
26
|
39
|
45
|
38
|
37
|
33
|
12
|
30
|
36
|
45
|
54
|
49
|
64
|
21
|
18
|
36
|
37
|
57
|
54
|
|
2024/07
|
39
|
61
|
55
|
38
|
28
|
16
|
35
|
38
|
56
|
56
|
69
|
63
|
89
|
91
|
64
|
44
|
41
|
38
|
32
|
13
|
39
|
31
|
34
|
47
|
11
|
25
|
24
|
16
|
11
|
20
|
16
|
|
2024/06
|
48
|
77
|
65
|
64
|
72
|
81
|
74
|
74
|
74
|
106
|
104
|
84
|
85
|
55
|
55
|
41
|
46
|
58
|
54
|
62
|
67
|
71
|
131
|
87
|
59
|
76
|
48
|
65
|
53
|
58
|
|
|
2024/05
|
53
|
62
|
59
|
57
|
53
|
62
|
79
|
75
|
76
|
68
|
179
|
64
|
89
|
99
|
37
|
61
|
65
|
82
|
70
|
28
|
49
|
70
|
61
|
60
|
51
|
51
|
47
|
49
|
65
|
66
|
54
|
|
2024/04
|
97
|
73
|
49
|
53
|
79
|
73
|
70
|
96
|
57
|
145
|
133
|
70
|
83
|
39
|
107
|
95
|
92
|
94
|
94
|
75
|
101
|
95
|
61
|
76
|
99
|
81
|
72
|
65
|
42
|
52
|
|
|
2024/03
|
42
|
97
|
98
|
100
|
72
|
80
|
94
|
42
|
67
|
94
|
119
|
90
|
90
|
99
|
72
|
79
|
103
|
103
|
116
|
65
|
112
|
105
|
85
|
75
|
51
|
70
|
66
|
205
|
171
|
94
|
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