Air Quality
Excellent
No health implications.
12
PM2.5
23
PM10
69
O3
0.8
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Apr
52
Good
Fri
25 Apr
35
Excellent
Sat
26 Apr
43
Excellent
Sun
27 Apr
54
Good
Mon
28 Apr
64
Good
Tue
29 Apr
66
Good
Wed
30 Apr
37
Excellent
Air quality in the last 12 months (Chongyi)
|
2025/02
|
30
|
14
|
20
|
38
|
44
|
47
|
35
|
58
|
32
|
37
|
45
|
50
|
57
|
65
|
64
|
42
|
38
|
38
|
39
|
23
|
18
|
18
|
18
|
35
|
53
|
66
|
55
|
41
|
|||
|
2025/01
|
86
|
73
|
79
|
82
|
100
|
95
|
74
|
70
|
59
|
44
|
39
|
50
|
57
|
54
|
66
|
59
|
51
|
53
|
56
|
59
|
63
|
65
|
64
|
81
|
59
|
17
|
33
|
49
|
93
|
63
|
58
|
|
2024/12
|
55
|
59
|
56
|
68
|
69
|
46
|
39
|
51
|
73
|
67
|
41
|
38
|
63
|
62
|
50
|
47
|
51
|
54
|
67
|
60
|
64
|
78
|
76
|
70
|
76
|
84
|
87
|
87
|
67
|
72
|
78
|
|
2024/11
|
38
|
46
|
46
|
52
|
57
|
50
|
39
|
42
|
46
|
56
|
44
|
47
|
50
|
50
|
31
|
29
|
31
|
17
|
22
|
32
|
37
|
37
|
38
|
45
|
49
|
24
|
34
|
35
|
38
|
50
|
|
|
2024/10
|
37
|
32
|
36
|
34
|
33
|
42
|
54
|
48
|
36
|
39
|
47
|
52
|
56
|
68
|
68
|
31
|
41
|
45
|
28
|
22
|
29
|
35
|
33
|
35
|
44
|
45
|
29
|
19
|
41
|
50
|
38
|
|
2024/09
|
36
|
38
|
39
|
32
|
31
|
21
|
19
|
21
|
17
|
28
|
35
|
42
|
39
|
44
|
24
|
27
|
34
|
35
|
38
|
23
|
24
|
31
|
33
|
31
|
26
|
29
|
33
|
34
|
33
|
29
|
|
|
2024/08
|
18
|
22
|
32
|
40
|
37
|
34
|
28
|
36
|
33
|
38
|
34
|
24
|
19
|
23
|
24
|
24
|
19
|
20
|
17
|
25
|
22
|
21
|
25
|
29
|
32
|
29
|
37
|
30
|
29
|
35
|
41
|
|
2024/07
|
18
|
17
|
19
|
17
|
16
|
15
|
14
|
16
|
19
|
21
|
19
|
19
|
19
|
20
|
18
|
15
|
14
|
14
|
17
|
18
|
18
|
23
|
26
|
32
|
33
|
21
|
14
|
13
|
14
|
17
|
14
|
|
2024/06
|
14
|
14
|
30
|
18
|
17
|
24
|
29
|
33
|
25
|
22
|
20
|
21
|
24
|
19
|
15
|
14
|
16
|
25
|
22
|
22
|
21
|
29
|
23
|
17
|
18
|
24
|
24
|
19
|
16
|
18
|
|
|
2024/05
|
17
|
24
|
32
|
31
|
20
|
26
|
42
|
46
|
50
|
53
|
37
|
30
|
62
|
49
|
47
|
53
|
55
|
50
|
35
|
20
|
17
|
19
|
22
|
22
|
21
|
21
|
18
|
28
|
34
|
37
|
21
|
|
2024/04
|
39
|
53
|
42
|
24
|
16
|
18
|
19
|
27
|
35
|
39
|
46
|
56
|
54
|
49
|
53
|
53
|
34
|
36
|
24
|
27
|
20
|
27
|
31
|
36
|
30
|
27
|
32
|
25
|
27
|
24
|
|
|
2024/03
|
36
|
37
|
39
|
35
|
36
|
47
|
50
|
53
|
47
|
47
|
30
|
41
|
59
|
45
|
37
|
46
|
50
|
29
|
35
|
62
|
67
|
52
|
48
|
42
|
36
|
26
|
44
|
33
|
41
|
44
|
36
|
|
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