Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
33
O3
0.6
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Feb
51
Good
Mon
3 Feb
76
Good
Tue
4 Feb
63
Good
Wed
5 Feb
66
Good
Thu
6 Feb
55
Good
Fri
7 Feb
50
Excellent
Sat
8 Feb
21
Excellent
Air quality in the last 12 months (Chongyi)
|
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
|
|
2024/02
|
51
|
30
|
22
|
16
|
24
|
18
|
15
|
38
|
59
|
91
|
67
|
65
|
53
|
40
|
40
|
25
|
31
|
33
|
31
|
37
|
26
|
15
|
16
|
23
|
28
|
29
|
30
|
32
|
21
|
||
|
2024/01
|
87
|
81
|
52
|
54
|
62
|
59
|
59
|
63
|
46
|
58
|
63
|
69
|
64
|
63
|
91
|
128
|
91
|
63
|
53
|
18
|
31
|
24
|
38
|
41
|
46
|
55
|
57
|
62
|
58
|
48
|
64
|
|
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