Air Quality
Excellent
No health implications.
18
PM2.5
22
PM10
100
O3
0.6
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Jun
67
Good
Wed
25 Jun
106
Light
Thu
26 Jun
96
Good
Fri
27 Jun
101
Light
Sat
28 Jun
58
Good
Sun
29 Jun
74
Good
Mon
30 Jun
43
Excellent
Air quality in the last 12 months (Changning)
|
2025/05
|
55
|
48
|
49
|
23
|
37
|
79
|
61
|
48
|
21
|
48
|
37
|
48
|
42
|
36
|
44
|
49
|
58
|
62
|
43
|
44
|
35
|
35
|
13
|
46
|
43
|
38
|
33
|
32
|
36
|
54
|
51
|
|
2025/04
|
44
|
64
|
42
|
38
|
66
|
66
|
61
|
66
|
74
|
83
|
67
|
77
|
94
|
76
|
55
|
61
|
66
|
61
|
59
|
53
|
42
|
62
|
63
|
86
|
48
|
38
|
40
|
50
|
40
|
46
|
|
|
2025/03
|
43
|
55
|
27
|
22
|
20
|
37
|
46
|
63
|
37
|
44
|
56
|
33
|
37
|
40
|
22
|
45
|
48
|
41
|
39
|
56
|
60
|
63
|
67
|
60
|
79
|
76
|
68
|
46
|
58
|
30
|
38
|
|
2025/02
|
27
|
59
|
69
|
64
|
53
|
37
|
50
|
41
|
46
|
53
|
30
|
77
|
39
|
34
|
65
|
115
|
60
|
45
|
47
|
29
|
34
|
60
|
58
|
73
|
85
|
134
|
137
|
55
|
|||
|
2025/01
|
53
|
42
|
56
|
35
|
65
|
95
|
65
|
67
|
31
|
41
|
58
|
71
|
89
|
102
|
38
|
58
|
70
|
72
|
98
|
156
|
112
|
31
|
37
|
37
|
33
|
44
|
55
|
44
|
88
|
46
|
34
|
|
2024/12
|
59
|
79
|
77
|
31
|
51
|
135
|
131
|
30
|
32
|
40
|
55
|
48
|
63
|
74
|
64
|
66
|
75
|
65
|
39
|
51
|
85
|
49
|
37
|
46
|
60
|
125
|
44
|
54
|
70
|
65
|
75
|
|
2024/11
|
9
|
52
|
81
|
63
|
24
|
22
|
23
|
28
|
31
|
31
|
42
|
45
|
54
|
36
|
62
|
48
|
21
|
27
|
25
|
31
|
59
|
81
|
17
|
21
|
32
|
37
|
57
|
68
|
53
|
63
|
|
|
2024/10
|
19
|
25
|
20
|
19
|
18
|
13
|
15
|
45
|
35
|
70
|
78
|
63
|
20
|
39
|
54
|
32
|
31
|
41
|
28
|
37
|
42
|
51
|
44
|
22
|
36
|
15
|
17
|
60
|
23
|
30
|
24
|
|
2024/09
|
36
|
38
|
28
|
25
|
23
|
40
|
47
|
29
|
22
|
31
|
13
|
25
|
18
|
18
|
23
|
15
|
20
|
24
|
26
|
17
|
22
|
32
|
29
|
29
|
33
|
20
|
24
|
34
|
33
|
35
|
|
|
2024/08
|
33
|
46
|
50
|
35
|
41
|
33
|
27
|
39
|
34
|
40
|
45
|
46
|
38
|
20
|
25
|
35
|
21
|
17
|
18
|
26
|
21
|
39
|
31
|
31
|
27
|
24
|
44
|
36
|
17
|
29
|
28
|
|
2024/07
|
36
|
26
|
26
|
39
|
45
|
39
|
44
|
42
|
41
|
39
|
25
|
30
|
47
|
73
|
48
|
23
|
34
|
36
|
38
|
35
|
35
|
26
|
22
|
26
|
27
|
34
|
28
|
24
|
20
|
21
|
29
|
|
2024/06
|
67
|
21
|
40
|
53
|
33
|
18
|
22
|
28
|
38
|
28
|
19
|
39
|
67
|
46
|
30
|
31
|
20
|
22
|
22
|
22
|
42
|
39
|
25
|
36
|
37
|
29
|
18
|
21
|
30
|
25
|
|
|
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