Air Quality
Excellent
No health implications.
15
PM2.5
19
PM10
38
O3
0.5
CO
9
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Sep
46
Excellent
Sun
27 Sep
55
Good
Mon
28 Sep
48
Excellent
Tue
29 Sep
51
Good
Wed
30 Sep
56
Good
Thu
1 Oct
58
Good
Fri
2 Oct
30
Excellent
Air quality in the last 12 months (Changfeng)
|
2026/08
|
24
|
28
|
34
|
42
|
38
|
36
|
35
|
35
|
34
|
16
|
19
|
14
|
23
|
21
|
20
|
29
|
37
|
51
|
40
|
24
|
20
|
20
|
19
|
20
|
22
|
30
|
46
|
28
|
47
|
28
|
43
|
|
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
|
|
|
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