Air Quality
Excellent
No health implications.
13
PM2.5
18
PM10
49
O3
0.4
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Apr
49
Excellent
Mon
14 Apr
46
Excellent
Tue
15 Apr
57
Good
Wed
16 Apr
59
Good
Thu
17 Apr
82
Good
Fri
18 Apr
87
Good
Sat
19 Apr
36
Excellent
Air quality in the last 12 months (Changling)
|
2025/02
|
119
|
154
|
67
|
69
|
71
|
77
|
43
|
36
|
59
|
82
|
112
|
76
|
51
|
66
|
92
|
46
|
41
|
42
|
47
|
52
|
58
|
62
|
54
|
58
|
106
|
50
|
78
|
97
|
|||
|
2025/01
|
45
|
36
|
45
|
80
|
124
|
124
|
51
|
51
|
57
|
69
|
90
|
124
|
93
|
57
|
42
|
47
|
57
|
82
|
67
|
88
|
106
|
114
|
122
|
147
|
141
|
159
|
133
|
77
|
73
|
61
|
91
|
|
2024/12
|
49
|
27
|
33
|
27
|
36
|
43
|
44
|
49
|
64
|
64
|
42
|
56
|
97
|
40
|
40
|
50
|
55
|
68
|
57
|
81
|
71
|
53
|
56
|
45
|
61
|
40
|
40
|
46
|
59
|
80
|
45
|
|
2024/11
|
47
|
61
|
85
|
27
|
31
|
47
|
55
|
125
|
98
|
67
|
70
|
50
|
90
|
73
|
124
|
53
|
47
|
68
|
64
|
59
|
61
|
77
|
163
|
127
|
103
|
49
|
30
|
49
|
41
|
59
|
|
|
2024/10
|
27
|
31
|
31
|
42
|
48
|
36
|
52
|
48
|
48
|
24
|
32
|
35
|
61
|
55
|
25
|
34
|
53
|
38
|
33
|
36
|
41
|
36
|
48
|
59
|
62
|
48
|
34
|
51
|
69
|
67
|
74
|
|
2024/09
|
16
|
21
|
24
|
30
|
19
|
20
|
26
|
31
|
39
|
24
|
31
|
34
|
34
|
24
|
27
|
32
|
40
|
31
|
35
|
19
|
28
|
41
|
33
|
43
|
28
|
40
|
45
|
42
|
52
|
25
|
|
|
2024/08
|
14
|
15
|
21
|
25
|
18
|
23
|
33
|
27
|
25
|
25
|
19
|
18
|
19
|
23
|
27
|
34
|
38
|
38
|
24
|
22
|
13
|
14
|
27
|
35
|
24
|
24
|
21
|
25
|
30
|
32
|
22
|
|
2024/07
|
66
|
51
|
25
|
27
|
34
|
39
|
47
|
75
|
62
|
67
|
73
|
74
|
64
|
60
|
59
|
37
|
18
|
30
|
36
|
27
|
34
|
26
|
21
|
19
|
24
|
11
|
15
|
13
|
19
|
25
|
19
|
|
2024/06
|
22
|
27
|
33
|
38
|
48
|
49
|
45
|
32
|
23
|
33
|
46
|
30
|
34
|
19
|
16
|
26
|
21
|
27
|
55
|
35
|
38
|
52
|
10
|
11
|
21
|
34
|
46
|
46
|
38
|
37
|
|
|
2024/05
|
52
|
56
|
64
|
90
|
56
|
70
|
54
|
66
|
46
|
74
|
64
|
33
|
39
|
47
|
29
|
32
|
50
|
50
|
29
|
27
|
51
|
56
|
36
|
30
|
34
|
16
|
18
|
29
|
34
|
27
|
17
|
|
2024/04
|
64
|
76
|
61
|
76
|
96
|
70
|
76
|
90
|
92
|
128
|
93
|
122
|
74
|
87
|
122
|
111
|
68
|
54
|
58
|
195
|
157
|
70
|
43
|
41
|
48
|
42
|
46
|
30
|
67
|
55
|
|
|
2024/03
|
35
|
40
|
38
|
48
|
46
|
52
|
50
|
39
|
50
|
96
|
81
|
48
|
51
|
64
|
73
|
94
|
32
|
55
|
48
|
45
|
68
|
56
|
63
|
34
|
64
|
81
|
100
|
247
|
69
|
54
|
61
|
|
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