Air Quality
Excellent
No health implications.
9
PM2.5
14
PM10
26
O3
0.7
CO
3
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
47
Excellent
Wed
22 Jul
55
Good
Thu
23 Jul
54
Good
Fri
24 Jul
61
Good
Sat
25 Jul
77
Good
Sun
26 Jul
68
Good
Mon
27 Jul
48
Excellent
Air quality in the last 12 months (Chun'an)
|
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
|
|
|
2025/08
|
32
|
36
|
30
|
30
|
21
|
13
|
17
|
22
|
26
|
32
|
33
|
29
|
15
|
16
|
17
|
22
|
22
|
25
|
27
|
26
|
24
|
19
|
17
|
24
|
24
|
26
|
26
|
18
|
21
|
27
|
27
|
|
2025/07
|
18
|
23
|
26
|
32
|
28
|
22
|
20
|
15
|
17
|
31
|
25
|
17
|
24
|
29
|
32
|
35
|
31
|
30
|
20
|
15
|
13
|
15
|
19
|
21
|
21
|
13
|
16
|
14
|
21
|
17
|
18
|
|
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