Air Quality
Excellent
No health implications.
7
PM2.5
19
PM10
39
O3
0.4
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Jul
51
Good
Sat
12 Jul
51
Good
Sun
13 Jul
49
Excellent
Mon
14 Jul
58
Good
Tue
15 Jul
83
Good
Wed
16 Jul
81
Good
Thu
17 Jul
33
Excellent
Air quality in the last 12 months (Chun'an)
|
2025/06
|
25
|
15
|
23
|
40
|
32
|
34
|
41
|
33
|
22
|
21
|
15
|
23
|
22
|
17
|
10
|
27
|
37
|
23
|
21
|
20
|
21
|
20
|
12
|
15
|
25
|
25
|
23
|
20
|
22
|
26
|
|
|
2025/05
|
44
|
47
|
54
|
51
|
30
|
71
|
109
|
52
|
16
|
35
|
32
|
40
|
39
|
43
|
65
|
42
|
21
|
52
|
37
|
21
|
14
|
27
|
11
|
40
|
59
|
56
|
60
|
42
|
25
|
36
|
41
|
|
2025/04
|
43
|
44
|
68
|
69
|
60
|
58
|
58
|
54
|
62
|
47
|
52
|
97
|
124
|
95
|
53
|
46
|
58
|
58
|
58
|
65
|
55
|
18
|
43
|
38
|
33
|
44
|
33
|
37
|
53
|
53
|
|
|
2025/03
|
46
|
49
|
28
|
15
|
36
|
44
|
60
|
60
|
81
|
92
|
83
|
55
|
19
|
34
|
15
|
37
|
32
|
42
|
48
|
39
|
41
|
42
|
48
|
55
|
55
|
68
|
59
|
63
|
41
|
59
|
41
|
|
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
|
|
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