Air Quality
Excellent
No health implications.
12
PM2.5
14
PM10
87
O3
0.3
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Jun
65
Good
Tue
3 Jun
101
Light
Wed
4 Jun
101
Light
Thu
5 Jun
109
Light
Fri
6 Jun
100
Good
Sat
7 Jun
62
Good
Sun
8 Jun
32
Excellent
Air quality in the last 12 months (Changfeng)
|
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
|
|
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
|
|
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