Air Quality
Excellent
No health implications.
22
PM2.5
39
PM10
72
O3
0.5
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
53
Good
Tue
6 May
88
Good
Wed
7 May
89
Good
Thu
8 May
66
Good
Fri
9 May
69
Good
Sat
10 May
84
Good
Sun
11 May
38
Excellent
Air quality in the last 12 months (Chun'an)
|
2025/02
|
16
|
24
|
73
|
55
|
38
|
55
|
62
|
37
|
37
|
49
|
71
|
77
|
119
|
106
|
88
|
37
|
59
|
33
|
50
|
26
|
23
|
33
|
53
|
73
|
87
|
66
|
57
|
39
|
|||
|
2025/01
|
115
|
94
|
91
|
92
|
93
|
79
|
81
|
90
|
66
|
38
|
54
|
66
|
70
|
70
|
77
|
49
|
58
|
70
|
62
|
74
|
97
|
89
|
81
|
58
|
44
|
27
|
37
|
64
|
179
|
68
|
53
|
|
2024/12
|
55
|
61
|
91
|
89
|
49
|
52
|
106
|
71
|
56
|
61
|
20
|
75
|
71
|
91
|
67
|
53
|
66
|
78
|
47
|
56
|
75
|
70
|
70
|
76
|
88
|
123
|
125
|
82
|
69
|
81
|
91
|
|
2024/11
|
10
|
28
|
43
|
68
|
58
|
48
|
37
|
43
|
47
|
42
|
44
|
52
|
46
|
51
|
28
|
27
|
21
|
26
|
37
|
41
|
46
|
56
|
78
|
47
|
33
|
30
|
43
|
49
|
48
|
52
|
|
|
2024/10
|
19
|
27
|
31
|
32
|
32
|
21
|
14
|
21
|
44
|
47
|
60
|
60
|
47
|
45
|
44
|
19
|
28
|
32
|
19
|
30
|
47
|
44
|
38
|
46
|
43
|
30
|
13
|
34
|
60
|
45
|
39
|
|
2024/09
|
36
|
40
|
44
|
37
|
29
|
31
|
44
|
36
|
25
|
40
|
19
|
29
|
26
|
29
|
31
|
19
|
19
|
22
|
21
|
17
|
14
|
22
|
24
|
33
|
39
|
52
|
25
|
32
|
41
|
35
|
|
|
2024/08
|
20
|
22
|
27
|
29
|
25
|
29
|
33
|
32
|
31
|
32
|
31
|
21
|
16
|
22
|
27
|
41
|
41
|
37
|
23
|
16
|
15
|
30
|
36
|
40
|
45
|
48
|
41
|
22
|
28
|
29
|
32
|
|
2024/07
|
21
|
20
|
20
|
24
|
24
|
25
|
24
|
23
|
25
|
27
|
31
|
27
|
27
|
22
|
30
|
27
|
28
|
23
|
21
|
24
|
26
|
24
|
26
|
23
|
17
|
12
|
10
|
15
|
14
|
16
|
19
|
|
2024/06
|
12
|
23
|
31
|
45
|
35
|
17
|
19
|
28
|
37
|
20
|
17
|
18
|
29
|
33
|
32
|
33
|
17
|
25
|
22
|
18
|
24
|
23
|
23
|
19
|
11
|
17
|
13
|
22
|
20
|
22
|
|
|
2024/05
|
15
|
41
|
44
|
31
|
17
|
19
|
36
|
58
|
52
|
53
|
44
|
43
|
58
|
49
|
55
|
43
|
45
|
47
|
49
|
46
|
31
|
33
|
41
|
36
|
34
|
22
|
20
|
19
|
32
|
40
|
27
|
|
2024/04
|
34
|
20
|
20
|
22
|
42
|
38
|
21
|
15
|
34
|
56
|
55
|
46
|
49
|
23
|
39
|
55
|
25
|
22
|
44
|
30
|
28
|
22
|
31
|
61
|
55
|
44
|
46
|
41
|
24
|
18
|
|
|
2024/03
|
36
|
51
|
46
|
57
|
36
|
33
|
70
|
57
|
61
|
74
|
63
|
69
|
90
|
91
|
89
|
54
|
61
|
54
|
50
|
65
|
56
|
51
|
55
|
45
|
42
|
21
|
46
|
25
|
40
|
47
|
46
|
|
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