Air Quality
Excellent
No health implications.
9
PM2.5
15
PM10
17
O3
0.9
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
40
Excellent
Tue
2 Jun
40
Excellent
Wed
3 Jun
38
Excellent
Thu
4 Jun
56
Good
Fri
5 Jun
60
Good
Sat
6 Jun
56
Good
Sun
7 Jun
17
Excellent
Air quality in the last 12 months (Changning)
|
2026/04
|
45
|
45
|
50
|
46
|
49
|
41
|
46
|
56
|
31
|
31
|
38
|
40
|
61
|
68
|
79
|
63
|
51
|
59
|
60
|
53
|
58
|
59
|
56
|
54
|
78
|
54
|
46
|
30
|
32
|
29
|
|
|
2026/03
|
61
|
63
|
54
|
63
|
77
|
93
|
86
|
83
|
64
|
51
|
54
|
73
|
51
|
35
|
30
|
40
|
40
|
37
|
45
|
37
|
44
|
40
|
26
|
33
|
37
|
39
|
48
|
67
|
33
|
39
|
44
|
|
2026/02
|
32
|
31
|
32
|
36
|
34
|
32
|
33
|
40
|
40
|
36
|
30
|
29
|
29
|
31
|
50
|
58
|
77
|
51
|
38
|
30
|
30
|
36
|
45
|
44
|
57
|
63
|
48
|
56
|
|||
|
2026/01
|
39
|
34
|
27
|
27
|
30
|
30
|
30
|
33
|
37
|
32
|
37
|
35
|
35
|
40
|
37
|
33
|
32
|
34
|
40
|
40
|
29
|
31
|
33
|
33
|
33
|
32
|
32
|
35
|
36
|
34
|
34
|
|
2025/12
|
34
|
30
|
32
|
29
|
27
|
27
|
27
|
28
|
29
|
29
|
30
|
32
|
32
|
30
|
29
|
27
|
29
|
28
|
28
|
30
|
31
|
31
|
35
|
30
|
31
|
31
|
34
|
33
|
32
|
29
|
31
|
|
2025/11
|
23
|
20
|
13
|
14
|
15
|
15
|
19
|
21
|
21
|
20
|
19
|
18
|
20
|
21
|
26
|
25
|
26
|
24
|
19
|
17
|
18
|
17
|
21
|
24
|
28
|
32
|
31
|
31
|
34
|
35
|
|
|
2025/10
|
19
|
16
|
18
|
18
|
19
|
20
|
19
|
18
|
18
|
20
|
19
|
20
|
21
|
22
|
25
|
26
|
20
|
18
|
19
|
19
|
19
|
20
|
24
|
22
|
21
|
23
|
25
|
25
|
25
|
25
|
24
|
|
2025/09
|
21
|
21
|
20
|
24
|
24
|
23
|
23
|
22
|
21
|
22
|
21
|
21
|
18
|
16
|
17
|
14
|
17
|
18
|
21
|
24
|
22
|
22
|
22
|
17
|
25
|
22
|
18
|
19
|
20
|
15
|
|
|
2025/08
|
19
|
18
|
15
|
15
|
20
|
23
|
19
|
15
|
15
|
15
|
18
|
18
|
18
|
20
|
23
|
24
|
18
|
19
|
21
|
18
|
15
|
16
|
16
|
17
|
18
|
22
|
17
|
19
|
18
|
23
|
22
|
|
2025/07
|
19
|
18
|
16
|
15
|
13
|
16
|
16
|
14
|
17
|
17
|
19
|
22
|
26
|
24
|
19
|
21
|
22
|
22
|
24
|
21
|
20
|
22
|
23
|
18
|
16
|
16
|
18
|
20
|
24
|
20
|
17
|
|
2025/06
|
17
|
15
|
25
|
45
|
38
|
35
|
29
|
28
|
25
|
19
|
29
|
36
|
41
|
33
|
22
|
21
|
15
|
13
|
14
|
18
|
20
|
15
|
16
|
15
|
15
|
14
|
17
|
18
|
18
|
17
|
|
|
2025/05
|
31
|
27
|
29
|
20
|
26
|
33
|
30
|
36
|
37
|
46
|
39
|
42
|
40
|
39
|
37
|
37
|
34
|
27
|
35
|
31
|
36
|
34
|
40
|
33
|
16
|
18
|
18
|
17
|
15
|
18
|
15
|
|
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