Air Quality
Excellent
No health implications.
29
PM2.5
39
PM10
51
O3
0.8
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Sep
69
Good
Mon
28 Sep
70
Good
Tue
29 Sep
71
Good
Wed
30 Sep
62
Good
Thu
1 Oct
59
Good
Fri
2 Oct
53
Good
Sat
3 Oct
27
Excellent
Air quality in the last 12 months (Chun'an)
|
2026/08
|
20
|
22
|
39
|
53
|
37
|
37
|
36
|
23
|
14
|
16
|
18
|
23
|
26
|
26
|
21
|
20
|
33
|
32
|
26
|
23
|
21
|
22
|
19
|
18
|
21
|
29
|
30
|
19
|
19
|
17
|
19
|
|
2026/07
|
17
|
14
|
22
|
19
|
15
|
20
|
21
|
19
|
21
|
31
|
25
|
12
|
17
|
23
|
20
|
21
|
23
|
26
|
23
|
20
|
20
|
26
|
36
|
38
|
24
|
27
|
23
|
20
|
21
|
23
|
19
|
|
2026/06
|
52
|
51
|
49
|
21
|
39
|
33
|
40
|
33
|
25
|
34
|
39
|
39
|
30
|
24
|
37
|
24
|
39
|
29
|
17
|
16
|
20
|
25
|
19
|
24
|
21
|
39
|
57
|
38
|
31
|
18
|
|
|
2026/05
|
34
|
42
|
29
|
31
|
36
|
42
|
42
|
32
|
34
|
33
|
30
|
39
|
50
|
33
|
26
|
31
|
34
|
38
|
40
|
24
|
27
|
48
|
20
|
26
|
22
|
25
|
27
|
36
|
51
|
56
|
53
|
|
2026/04
|
30
|
38
|
27
|
36
|
66
|
62
|
57
|
36
|
40
|
31
|
45
|
32
|
44
|
37
|
40
|
53
|
43
|
63
|
52
|
57
|
40
|
17
|
17
|
30
|
40
|
45
|
53
|
49
|
25
|
30
|
|
|
2026/03
|
27
|
15
|
32
|
63
|
49
|
58
|
67
|
56
|
61
|
57
|
56
|
51
|
59
|
58
|
69
|
72
|
58
|
40
|
33
|
66
|
49
|
40
|
37
|
30
|
37
|
60
|
38
|
36
|
32
|
40
|
24
|
|
2026/02
|
34
|
45
|
74
|
76
|
89
|
43
|
22
|
48
|
40
|
44
|
50
|
62
|
63
|
48
|
41
|
23
|
65
|
47
|
41
|
37
|
33
|
58
|
124
|
45
|
26
|
28
|
14
|
23
|
|||
|
2026/01
|
24
|
47
|
86
|
93
|
78
|
70
|
57
|
54
|
60
|
57
|
68
|
64
|
60
|
62
|
61
|
77
|
109
|
100
|
54
|
21
|
53
|
65
|
74
|
87
|
112
|
96
|
37
|
86
|
69
|
32
|
14
|
|
2025/12
|
95
|
111
|
58
|
60
|
66
|
75
|
82
|
100
|
67
|
64
|
75
|
74
|
41
|
48
|
58
|
60
|
90
|
150
|
107
|
99
|
54
|
46
|
56
|
29
|
53
|
58
|
58
|
61
|
61
|
104
|
51
|
|
2025/11
|
42
|
56
|
57
|
50
|
44
|
43
|
29
|
41
|
13
|
49
|
38
|
36
|
41
|
57
|
79
|
71
|
54
|
33
|
41
|
47
|
58
|
71
|
67
|
63
|
83
|
87
|
97
|
98
|
70
|
65
|
|
|
2025/10
|
32
|
35
|
36
|
39
|
33
|
35
|
50
|
45
|
32
|
35
|
43
|
57
|
49
|
26
|
30
|
26
|
31
|
20
|
14
|
25
|
25
|
30
|
32
|
36
|
48
|
50
|
41
|
53
|
43
|
37
|
34
|
|
2025/09
|
26
|
20
|
24
|
31
|
32
|
26
|
28
|
26
|
15
|
16
|
25
|
25
|
23
|
18
|
27
|
30
|
24
|
23
|
22
|
19
|
22
|
30
|
29
|
17
|
25
|
31
|
33
|
37
|
42
|
39
|
|
|
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