Air Quality
Excellent
No health implications.
6
PM2.5
14
PM10
46
O3
0.5
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Nov
34
Excellent
Fri
8 Nov
34
Excellent
Sat
9 Nov
37
Excellent
Sun
10 Nov
34
Excellent
Mon
11 Nov
35
Excellent
Tue
12 Nov
34
Excellent
Air quality in the last 12 months (Changning)
|
2024/10
|
18
|
15
|
21
|
16
|
15
|
19
|
22
|
19
|
23
|
23
|
26
|
30
|
30
|
32
|
36
|
27
|
25
|
32
|
37
|
36
|
27
|
26
|
23
|
23
|
24
|
24
|
29
|
37
|
33
|
28
|
28
|
|
2024/09
|
23
|
24
|
23
|
23
|
20
|
25
|
33
|
34
|
26
|
18
|
18
|
21
|
24
|
21
|
26
|
29
|
22
|
25
|
31
|
36
|
36
|
29
|
26
|
28
|
33
|
29
|
23
|
20
|
17
|
21
|
|
|
2024/08
|
24
|
19
|
16
|
17
|
19
|
19
|
20
|
17
|
19
|
21
|
16
|
29
|
37
|
47
|
44
|
26
|
29
|
27
|
24
|
25
|
22
|
25
|
29
|
21
|
21
|
27
|
27
|
25
|
27
|
27
|
24
|
|
2024/07
|
16
|
16
|
15
|
16
|
18
|
20
|
17
|
18
|
17
|
18
|
15
|
16
|
19
|
19
|
20
|
18
|
25
|
25
|
21
|
21
|
16
|
18
|
15
|
17
|
22
|
22
|
23
|
22
|
21
|
18
|
23
|
|
2024/06
|
45
|
38
|
32
|
31
|
33
|
28
|
28
|
26
|
26
|
33
|
36
|
31
|
16
|
15
|
16
|
29
|
30
|
28
|
38
|
37
|
31
|
27
|
22
|
22
|
17
|
22
|
15
|
16
|
17
|
15
|
|
|
2024/05
|
59
|
48
|
40
|
60
|
60
|
34
|
41
|
47
|
36
|
33
|
32
|
36
|
37
|
35
|
38
|
39
|
38
|
38
|
41
|
35
|
27
|
31
|
31
|
29
|
22
|
16
|
13
|
15
|
30
|
42
|
37
|
|
2024/04
|
45
|
50
|
63
|
58
|
57
|
66
|
57
|
61
|
53
|
61
|
68
|
73
|
59
|
46
|
55
|
76
|
80
|
59
|
54
|
48
|
37
|
56
|
56
|
58
|
57
|
56
|
60
|
62
|
61
|
61
|
|
|
2024/03
|
38
|
35
|
39
|
43
|
35
|
36
|
35
|
33
|
30
|
44
|
45
|
66
|
66
|
58
|
62
|
62
|
65
|
52
|
53
|
74
|
60
|
30
|
25
|
38
|
36
|
46
|
51
|
51
|
55
|
64
|
56
|
|
2024/02
|
49
|
62
|
48
|
40
|
40
|
35
|
46
|
47
|
48
|
83
|
55
|
43
|
36
|
32
|
36
|
35
|
30
|
32
|
32
|
35
|
49
|
55
|
61
|
54
|
47
|
47
|
38
|
36
|
34
|
||
|
2024/01
|
32
|
25
|
26
|
29
|
27
|
30
|
31
|
29
|
30
|
33
|
37
|
34
|
33
|
33
|
30
|
30
|
25
|
33
|
39
|
42
|
42
|
37
|
43
|
41
|
34
|
29
|
33
|
32
|
33
|
32
|
32
|
|
2023/12
|
30
|
30
|
30
|
27
|
24
|
27
|
27
|
20
|
20
|
22
|
23
|
23
|
20
|
21
|
22
|
24
|
25
|
22
|
23
|
25
|
29
|
29
|
25
|
30
|
20
|
20
|
27
|
28
|
28
|
27
|
29
|
|
2023/11
|
25
|
23
|
26
|
23
|
23
|
28
|
31
|
28
|
26
|
28
|
27
|
25
|
27
|
24
|
23
|
26
|
25
|
21
|
21
|
25
|
24
|
25
|
23
|
23
|
25
|
27
|
29
|
30
|
33
|
34
|
|
|
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