Air Quality
Excellent
No health implications.
4
PM2.5
7
PM10
34
O3
0.4
CO
11
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
39
Excellent
Thu
13 Aug
35
Excellent
Fri
14 Aug
38
Excellent
Sat
15 Aug
48
Excellent
Sun
16 Aug
74
Good
Mon
17 Aug
81
Good
Tue
18 Aug
45
Excellent
Air quality in the last 12 months (Changfeng)
|
2026/07
|
34
|
36
|
26
|
20
|
14
|
15
|
15
|
21
|
23
|
27
|
31
|
15
|
22
|
33
|
21
|
23
|
24
|
34
|
36
|
31
|
25
|
23
|
18
|
22
|
30
|
42
|
31
|
26
|
21
|
20
|
23
|
|
2026/06
|
81
|
97
|
84
|
80
|
65
|
51
|
67
|
41
|
52
|
69
|
68
|
61
|
40
|
51
|
33
|
31
|
40
|
54
|
44
|
26
|
41
|
29
|
25
|
24
|
37
|
56
|
50
|
68
|
83
|
43
|
|
|
2026/05
|
41
|
39
|
39
|
29
|
35
|
40
|
43
|
35
|
43
|
49
|
52
|
66
|
65
|
74
|
41
|
41
|
40
|
48
|
35
|
22
|
37
|
56
|
54
|
43
|
39
|
16
|
21
|
50
|
54
|
65
|
83
|
|
2026/04
|
84
|
70
|
54
|
60
|
78
|
80
|
58
|
37
|
46
|
37
|
67
|
44
|
24
|
37
|
50
|
66
|
70
|
61
|
51
|
53
|
56
|
22
|
28
|
37
|
47
|
46
|
50
|
36
|
33
|
40
|
|
|
2026/03
|
36
|
31
|
85
|
56
|
54
|
73
|
46
|
54
|
86
|
86
|
72
|
78
|
93
|
80
|
89
|
70
|
71
|
70
|
103
|
112
|
98
|
69
|
78
|
74
|
73
|
78
|
75
|
63
|
62
|
67
|
102
|
|
2026/02
|
55
|
69
|
100
|
79
|
87
|
74
|
51
|
56
|
45
|
62
|
88
|
88
|
77
|
71
|
80
|
39
|
117
|
64
|
67
|
62
|
42
|
278
|
143
|
21
|
46
|
40
|
30
|
34
|
|||
|
2026/01
|
38
|
63
|
71
|
73
|
119
|
91
|
57
|
76
|
65
|
117
|
72
|
76
|
81
|
91
|
100
|
104
|
137
|
76
|
25
|
39
|
55
|
54
|
70
|
92
|
105
|
24
|
67
|
83
|
76
|
31
|
50
|
|
2025/12
|
137
|
80
|
70
|
66
|
75
|
96
|
106
|
103
|
71
|
88
|
148
|
40
|
59
|
84
|
73
|
73
|
159
|
130
|
133
|
193
|
86
|
42
|
48
|
80
|
71
|
51
|
61
|
74
|
101
|
116
|
41
|
|
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
|
|
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