Air Quality
Excellent
No health implications.
16
PM2.5
33
PM10
86
O3
0.5
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
59
Good
Mon
15 Dec
65
Good
Tue
16 Dec
69
Good
Wed
17 Dec
81
Good
Thu
18 Dec
97
Good
Fri
19 Dec
82
Good
Sat
20 Dec
17
Excellent
Air quality in the last 12 months (Chongren)
|
2025/11
|
46
|
56
|
64
|
40
|
30
|
43
|
44
|
28
|
21
|
27
|
55
|
34
|
38
|
46
|
57
|
64
|
67
|
28
|
37
|
46
|
51
|
58
|
65
|
62
|
75
|
76
|
71
|
78
|
60
|
56
|
|
|
2025/10
|
41
|
41
|
41
|
51
|
40
|
31
|
41
|
51
|
45
|
45
|
40
|
43
|
64
|
51
|
48
|
57
|
51
|
47
|
21
|
24
|
32
|
33
|
42
|
45
|
56
|
65
|
60
|
70
|
59
|
86
|
50
|
|
2025/09
|
25
|
25
|
24
|
29
|
29
|
35
|
31
|
26
|
19
|
20
|
23
|
25
|
25
|
28
|
30
|
29
|
32
|
35
|
36
|
37
|
36
|
44
|
39
|
37
|
31
|
35
|
42
|
43
|
46
|
47
|
|
|
2025/08
|
32
|
34
|
24
|
18
|
17
|
15
|
18
|
22
|
27
|
34
|
36
|
38
|
29
|
22
|
17
|
21
|
22
|
23
|
19
|
17
|
17
|
25
|
29
|
25
|
20
|
30
|
26
|
22
|
25
|
25
|
28
|
|
2025/07
|
19
|
23
|
27
|
30
|
27
|
34
|
42
|
44
|
26
|
24
|
30
|
22
|
24
|
28
|
31
|
29
|
39
|
45
|
30
|
21
|
20
|
19
|
27
|
23
|
28
|
28
|
24
|
25
|
23
|
30
|
28
|
|
2025/06
|
25
|
20
|
26
|
32
|
31
|
34
|
32
|
29
|
28
|
28
|
27
|
29
|
35
|
24
|
20
|
25
|
19
|
17
|
20
|
18
|
17
|
18
|
22
|
22
|
29
|
26
|
19
|
20
|
22
|
21
|
|
|
2025/05
|
53
|
49
|
51
|
54
|
29
|
40
|
59
|
41
|
27
|
44
|
36
|
37
|
37
|
37
|
49
|
25
|
23
|
21
|
26
|
25
|
26
|
30
|
25
|
57
|
59
|
58
|
52
|
36
|
27
|
28
|
28
|
|
2025/04
|
48
|
60
|
55
|
62
|
53
|
57
|
57
|
59
|
58
|
41
|
39
|
151
|
146
|
109
|
70
|
50
|
64
|
60
|
32
|
26
|
33
|
24
|
46
|
42
|
27
|
23
|
22
|
38
|
54
|
55
|
|
|
2025/03
|
41
|
33
|
36
|
25
|
36
|
39
|
48
|
47
|
55
|
39
|
48
|
49
|
33
|
27
|
24
|
42
|
46
|
42
|
47
|
40
|
46
|
48
|
52
|
61
|
61
|
65
|
59
|
72
|
52
|
37
|
44
|
|
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
|
|
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