Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
52
*
PM2.5
89
PM10
49
O3
0.6
CO
8
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Apr
103
Light
Tue
29 Apr
89
Good
Wed
30 Apr
97
Good
Thu
1 May
106
Light
Fri
2 May
107
Light
Sat
3 May
95
Good
Sun
4 May
45
Excellent
Air quality in the last 12 months (Changfeng)
|
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
|
|
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
|
|
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