Air Quality
Excellent
No health implications.
16
PM2.5
35
PM10
112
O3
0.3
CO
7
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
82
Good
Mon
12 May
83
Good
Tue
13 May
84
Good
Wed
14 May
89
Good
Thu
15 May
50
Excellent
Fri
16 May
50
Excellent
Sat
17 May
42
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