Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
22
O3
0.8
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
58
Good
Mon
21 Apr
54
Good
Tue
22 Apr
79
Good
Wed
23 Apr
75
Good
Thu
24 Apr
73
Good
Fri
25 Apr
24
Excellent
Sat
26 Apr
33
Excellent
Air quality in the last 12 months (Chongren)
|
2025/02
|
42
|
30
|
53
|
59
|
53
|
54
|
64
|
50
|
37
|
49
|
67
|
72
|
85
|
69
|
49
|
43
|
54
|
49
|
45
|
27
|
31
|
24
|
32
|
47
|
70
|
68
|
55
|
41
|
|||
|
2025/01
|
108
|
85
|
105
|
107
|
107
|
97
|
68
|
60
|
59
|
45
|
51
|
57
|
63
|
59
|
72
|
57
|
55
|
66
|
67
|
74
|
73
|
69
|
66
|
113
|
57
|
30
|
58
|
85
|
162
|
78
|
58
|
|
2024/12
|
48
|
55
|
58
|
90
|
57
|
46
|
49
|
74
|
55
|
58
|
36
|
60
|
73
|
59
|
57
|
58
|
60
|
68
|
64
|
61
|
68
|
76
|
62
|
74
|
83
|
83
|
109
|
77
|
72
|
80
|
87
|
|
2024/11
|
33
|
41
|
48
|
57
|
60
|
51
|
49
|
49
|
55
|
58
|
47
|
49
|
53
|
54
|
30
|
40
|
41
|
29
|
37
|
47
|
46
|
36
|
54
|
57
|
43
|
39
|
41
|
48
|
48
|
49
|
|
|
2024/10
|
44
|
42
|
39
|
35
|
40
|
40
|
33
|
22
|
31
|
45
|
60
|
55
|
57
|
80
|
56
|
30
|
38
|
45
|
32
|
33
|
45
|
45
|
40
|
49
|
54
|
55
|
24
|
27
|
53
|
53
|
44
|
|
2024/09
|
45
|
49
|
52
|
46
|
43
|
35
|
26
|
30
|
27
|
32
|
39
|
25
|
32
|
39
|
38
|
35
|
37
|
38
|
36
|
31
|
30
|
35
|
34
|
31
|
40
|
44
|
47
|
34
|
38
|
36
|
|
|
2024/08
|
21
|
27
|
32
|
40
|
29
|
36
|
34
|
32
|
36
|
40
|
38
|
25
|
25
|
27
|
33
|
36
|
32
|
24
|
25
|
32
|
28
|
25
|
32
|
41
|
37
|
35
|
38
|
23
|
28
|
43
|
46
|
|
2024/07
|
24
|
24
|
24
|
24
|
27
|
23
|
22
|
20
|
29
|
29
|
33
|
30
|
26
|
23
|
29
|
31
|
22
|
23
|
22
|
22
|
25
|
26
|
33
|
42
|
35
|
23
|
19
|
19
|
19
|
21
|
23
|
|
2024/06
|
24
|
24
|
27
|
35
|
31
|
34
|
35
|
38
|
36
|
31
|
21
|
25
|
26
|
22
|
22
|
23
|
23
|
29
|
34
|
29
|
27
|
28
|
33
|
26
|
18
|
21
|
27
|
30
|
24
|
26
|
|
|
2024/05
|
24
|
37
|
44
|
27
|
24
|
32
|
44
|
51
|
53
|
51
|
47
|
52
|
60
|
50
|
48
|
61
|
51
|
50
|
49
|
35
|
27
|
29
|
37
|
25
|
22
|
28
|
29
|
28
|
35
|
42
|
26
|
|
2024/04
|
33
|
36
|
31
|
39
|
33
|
34
|
37
|
50
|
35
|
40
|
49
|
50
|
48
|
50
|
52
|
43
|
24
|
28
|
24
|
25
|
33
|
35
|
42
|
48
|
39
|
39
|
39
|
30
|
32
|
20
|
|
|
2024/03
|
36
|
45
|
34
|
45
|
31
|
42
|
58
|
58
|
56
|
59
|
56
|
46
|
56
|
44
|
36
|
27
|
38
|
33
|
43
|
64
|
61
|
49
|
40
|
38
|
33
|
29
|
37
|
31
|
38
|
44
|
31
|
|
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