Air Quality
Excellent
No health implications.
12
PM2.5
18
PM10
85
O3
0.5
CO
9
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jun
101
Light
Wed
4 Jun
122
Light
Thu
5 Jun
135
Light
Fri
6 Jun
96
Good
Sat
7 Jun
65
Good
Sun
8 Jun
29
Excellent
Mon
9 Jun
35
Excellent
Air quality in the last 12 months (Changning)
|
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
|
|
|
2024/05
|
37
|
29
|
34
|
40
|
38
|
62
|
69
|
42
|
23
|
29
|
56
|
63
|
68
|
42
|
46
|
33
|
42
|
35
|
32
|
26
|
28
|
39
|
24
|
23
|
25
|
31
|
30
|
21
|
24
|
41
|
63
|
|
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