Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
85
*
PM2.5
164
PM10
27
O3
1.1
CO
17
SO2
48
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
15 Dec
113
Light
Tue
16 Dec
136
Light
Wed
17 Dec
132
Light
Thu
18 Dec
118
Light
Fri
19 Dec
139
Light
Sat
20 Dec
44
Excellent
Sun
21 Dec
44
Excellent
Decheng Air quality rank
Air quality in the last 12 months (Decheng)
|
2025/11
|
83
|
30
|
63
|
89
|
93
|
132
|
119
|
76
|
73
|
73
|
91
|
98
|
69
|
94
|
182
|
125
|
37
|
49
|
57
|
60
|
74
|
126
|
116
|
191
|
34
|
137
|
64
|
154
|
176
|
209
|
|
|
2025/10
|
67
|
20
|
24
|
36
|
25
|
21
|
36
|
34
|
11
|
13
|
15
|
23
|
30
|
51
|
88
|
62
|
38
|
23
|
32
|
33
|
48
|
51
|
66
|
69
|
90
|
62
|
81
|
147
|
85
|
88
|
98
|
|
2025/09
|
26
|
37
|
56
|
53
|
47
|
46
|
57
|
58
|
37
|
44
|
56
|
42
|
52
|
50
|
44
|
41
|
26
|
35
|
22
|
31
|
50
|
39
|
37
|
44
|
63
|
60
|
29
|
65
|
75
|
73
|
|
|
2025/08
|
30
|
26
|
40
|
28
|
34
|
32
|
44
|
34
|
17
|
26
|
38
|
37
|
35
|
45
|
39
|
14
|
15
|
24
|
42
|
25
|
30
|
20
|
34
|
13
|
23
|
30
|
39
|
15
|
30
|
19
|
21
|
|
2025/07
|
14
|
19
|
24
|
36
|
27
|
18
|
25
|
25
|
40
|
58
|
43
|
45
|
39
|
27
|
44
|
30
|
31
|
28
|
43
|
40
|
44
|
15
|
11
|
31
|
35
|
32
|
22
|
37
|
25
|
26
|
21
|
|
2025/06
|
68
|
65
|
42
|
30
|
69
|
75
|
76
|
64
|
83
|
40
|
76
|
86
|
69
|
58
|
37
|
29
|
39
|
56
|
17
|
33
|
43
|
43
|
49
|
45
|
56
|
56
|
60
|
51
|
35
|
23
|
|
|
2025/05
|
55
|
69
|
40
|
56
|
78
|
50
|
72
|
73
|
40
|
31
|
53
|
62
|
64
|
56
|
36
|
93
|
105
|
75
|
91
|
73
|
63
|
73
|
67
|
49
|
45
|
56
|
54
|
66
|
62
|
54
|
63
|
|
2025/04
|
73
|
31
|
63
|
87
|
51
|
85
|
95
|
84
|
65
|
81
|
101
|
195
|
52
|
60
|
54
|
89
|
124
|
66
|
43
|
73
|
69
|
82
|
75
|
52
|
70
|
80
|
55
|
50
|
62
|
84
|
|
|
2025/03
|
153
|
54
|
47
|
46
|
78
|
70
|
109
|
96
|
110
|
105
|
110
|
127
|
116
|
65
|
55
|
36
|
53
|
30
|
55
|
55
|
53
|
69
|
107
|
132
|
102
|
93
|
111
|
74
|
40
|
56
|
82
|
|
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
|
|
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