Air Quality
Excellent
No health implications.
3
PM2.5
40
PM10
61
O3
0.3
CO
3
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Dec
104
Light
Sat
13 Dec
93
Good
Sun
14 Dec
101
Light
Mon
15 Dec
112
Light
Tue
16 Dec
129
Light
Wed
17 Dec
183
Moderate
Thu
18 Dec
24
Excellent
Air quality in the last 12 months (Changfeng)
|
2025/11
|
90
|
72
|
43
|
56
|
65
|
49
|
22
|
18
|
87
|
72
|
41
|
42
|
83
|
139
|
116
|
109
|
44
|
49
|
50
|
52
|
91
|
90
|
97
|
130
|
91
|
90
|
331
|
155
|
89
|
98
|
|
|
2025/10
|
14
|
25
|
11
|
25
|
42
|
52
|
49
|
35
|
35
|
62
|
50
|
57
|
14
|
37
|
27
|
21
|
19
|
17
|
26
|
28
|
20
|
31
|
41
|
49
|
51
|
63
|
66
|
69
|
59
|
41
|
85
|
|
2025/09
|
18
|
14
|
23
|
30
|
31
|
28
|
36
|
34
|
12
|
18
|
24
|
19
|
10
|
14
|
16
|
27
|
13
|
10
|
14
|
13
|
29
|
22
|
42
|
9
|
12
|
14
|
17
|
23
|
22
|
20
|
|
|
2025/08
|
10
|
9
|
12
|
15
|
26
|
27
|
12
|
11
|
13
|
10
|
8
|
9
|
13
|
20
|
19
|
21
|
28
|
26
|
21
|
16
|
17
|
24
|
15
|
18
|
15
|
10
|
20
|
31
|
23
|
9
|
11
|
|
2025/07
|
21
|
14
|
24
|
28
|
35
|
38
|
47
|
23
|
15
|
38
|
43
|
27
|
26
|
39
|
32
|
30
|
21
|
31
|
27
|
16
|
13
|
12
|
15
|
17
|
25
|
13
|
14
|
13
|
18
|
17
|
9
|
|
2025/06
|
30
|
16
|
44
|
59
|
57
|
37
|
22
|
26
|
24
|
40
|
45
|
46
|
43
|
34
|
33
|
53
|
54
|
16
|
9
|
9
|
8
|
17
|
30
|
37
|
27
|
31
|
13
|
12
|
10
|
15
|
|
|
2025/05
|
61
|
68
|
62
|
48
|
50
|
89
|
89
|
54
|
32
|
32
|
45
|
47
|
52
|
64
|
77
|
56
|
102
|
88
|
85
|
63
|
41
|
55
|
71
|
78
|
67
|
77
|
86
|
69
|
70
|
77
|
85
|
|
2025/04
|
60
|
64
|
54
|
67
|
85
|
77
|
66
|
72
|
77
|
92
|
76
|
237
|
109
|
72
|
50
|
59
|
70
|
74
|
75
|
50
|
56
|
84
|
78
|
87
|
60
|
52
|
50
|
68
|
55
|
53
|
|
|
2025/03
|
68
|
65
|
36
|
67
|
83
|
73
|
64
|
76
|
92
|
71
|
80
|
147
|
108
|
43
|
49
|
52
|
46
|
50
|
52
|
56
|
52
|
62
|
67
|
110
|
78
|
68
|
128
|
126
|
165
|
88
|
57
|
|
2025/02
|
111
|
76
|
125
|
89
|
55
|
48
|
98
|
43
|
48
|
58
|
66
|
106
|
69
|
80
|
104
|
97
|
64
|
59
|
77
|
56
|
49
|
77
|
96
|
58
|
69
|
112
|
81
|
71
|
|||
|
2025/01
|
97
|
156
|
139
|
127
|
132
|
82
|
53
|
72
|
54
|
59
|
79
|
80
|
96
|
129
|
73
|
72
|
81
|
103
|
141
|
142
|
126
|
178
|
97
|
54
|
29
|
78
|
54
|
100
|
195
|
73
|
136
|
|
2024/12
|
71
|
111
|
79
|
56
|
102
|
150
|
136
|
49
|
49
|
67
|
98
|
81
|
101
|
87
|
67
|
73
|
106
|
91
|
59
|
78
|
92
|
63
|
76
|
95
|
120
|
151
|
90
|
94
|
67
|
91
|
112
|
|
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