Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
27
PM2.5
75
*
PM10
47
O3
0.4
CO
6
SO2
20
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
21 Dec
115
Light
Sun
22 Dec
89
Good
Mon
23 Dec
113
Light
Tue
24 Dec
123
Light
Wed
25 Dec
121
Light
Thu
26 Dec
134
Light
Fri
27 Dec
29
Excellent
Air quality in the last 12 months (Changfeng)
|
2024/11
|
57
|
102
|
75
|
80
|
65
|
57
|
46
|
43
|
51
|
47
|
45
|
54
|
68
|
84
|
89
|
52
|
37
|
35
|
24
|
33
|
46
|
78
|
42
|
39
|
36
|
50
|
76
|
67
|
52
|
63
|
|
|
2024/10
|
31
|
55
|
43
|
32
|
28
|
17
|
12
|
36
|
48
|
64
|
73
|
71
|
65
|
51
|
60
|
59
|
36
|
21
|
38
|
43
|
53
|
53
|
51
|
44
|
40
|
56
|
82
|
115
|
73
|
43
|
39
|
|
2024/09
|
44
|
44
|
32
|
37
|
51
|
51
|
44
|
41
|
27
|
33
|
35
|
12
|
18
|
40
|
38
|
35
|
12
|
31
|
25
|
23
|
34
|
37
|
47
|
45
|
56
|
43
|
24
|
39
|
43
|
53
|
|
|
2024/08
|
18
|
16
|
25
|
30
|
29
|
35
|
29
|
39
|
37
|
39
|
74
|
66
|
50
|
29
|
27
|
26
|
32
|
30
|
32
|
18
|
36
|
39
|
39
|
40
|
45
|
39
|
17
|
17
|
26
|
31
|
39
|
|
2024/07
|
14
|
19
|
23
|
18
|
25
|
23
|
27
|
24
|
22
|
39
|
29
|
23
|
21
|
17
|
18
|
39
|
31
|
22
|
25
|
20
|
21
|
25
|
31
|
38
|
24
|
27
|
13
|
12
|
12
|
17
|
19
|
|
2024/06
|
52
|
45
|
56
|
55
|
54
|
37
|
39
|
53
|
53
|
32
|
31
|
48
|
50
|
58
|
54
|
51
|
40
|
48
|
32
|
43
|
25
|
25
|
32
|
42
|
47
|
57
|
44
|
14
|
8
|
16
|
|
|
2024/05
|
49
|
41
|
49
|
48
|
43
|
41
|
56
|
54
|
49
|
60
|
65
|
159
|
106
|
73
|
89
|
50
|
61
|
72
|
52
|
53
|
46
|
40
|
49
|
57
|
50
|
61
|
29
|
36
|
50
|
45
|
49
|
|
2024/04
|
81
|
39
|
63
|
55
|
52
|
46
|
57
|
32
|
49
|
65
|
52
|
65
|
60
|
57
|
48
|
76
|
89
|
59
|
52
|
50
|
56
|
54
|
84
|
86
|
66
|
68
|
59
|
38
|
37
|
53
|
|
|
2024/03
|
52
|
58
|
61
|
69
|
51
|
69
|
85
|
80
|
59
|
100
|
85
|
87
|
79
|
70
|
103
|
120
|
149
|
57
|
98
|
119
|
82
|
63
|
64
|
46
|
44
|
52
|
61
|
58
|
59
|
60
|
102
|
|
2024/02
|
27
|
51
|
73
|
77
|
82
|
87
|
125
|
191
|
156
|
157
|
152
|
78
|
50
|
57
|
50
|
34
|
32
|
40
|
73
|
22
|
32
|
49
|
53
|
66
|
109
|
87
|
50
|
62
|
53
|
||
|
2024/01
|
137
|
118
|
98
|
60
|
91
|
152
|
89
|
54
|
123
|
178
|
154
|
145
|
139
|
184
|
59
|
42
|
47
|
73
|
55
|
81
|
90
|
39
|
34
|
56
|
66
|
78
|
95
|
98
|
112
|
132
|
92
|
|
2023/12
|
59
|
59
|
67
|
88
|
84
|
151
|
92
|
71
|
70
|
77
|
30
|
71
|
63
|
31
|
48
|
56
|
34
|
39
|
71
|
95
|
57
|
50
|
58
|
90
|
80
|
91
|
199
|
291
|
172
|
184
|
173
|
|
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