Air Quality
Excellent
No health implications.
11
PM2.5
16
PM10
44
O3
0.4
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
39
Excellent
Tue
18 Mar
41
Excellent
Wed
19 Mar
50
Excellent
Thu
20 Mar
53
Good
Fri
21 Mar
54
Good
Sat
22 Mar
62
Good
Sun
23 Mar
17
Excellent
Air quality in the last 12 months (Renhuai)
|
2025/02
|
44
|
34
|
35
|
44
|
47
|
30
|
31
|
44
|
50
|
56
|
59
|
72
|
39
|
26
|
41
|
55
|
48
|
41
|
41
|
34
|
35
|
25
|
36
|
36
|
33
|
50
|
58
|
68
|
|||
|
2025/01
|
110
|
117
|
120
|
104
|
102
|
116
|
68
|
50
|
37
|
45
|
46
|
60
|
67
|
78
|
69
|
74
|
82
|
63
|
60
|
89
|
113
|
102
|
105
|
62
|
34
|
35
|
51
|
59
|
153
|
87
|
61
|
|
2024/12
|
98
|
124
|
63
|
55
|
38
|
44
|
41
|
42
|
27
|
24
|
43
|
40
|
50
|
54
|
50
|
72
|
75
|
81
|
80
|
94
|
115
|
62
|
63
|
78
|
84
|
64
|
91
|
93
|
93
|
44
|
67
|
|
2024/11
|
41
|
32
|
68
|
47
|
43
|
61
|
66
|
63
|
51
|
51
|
57
|
54
|
55
|
48
|
74
|
51
|
22
|
16
|
19
|
23
|
30
|
38
|
33
|
17
|
19
|
25
|
28
|
33
|
41
|
67
|
|
|
2024/10
|
14
|
19
|
31
|
36
|
50
|
44
|
41
|
33
|
40
|
61
|
72
|
47
|
26
|
29
|
39
|
44
|
20
|
37
|
22
|
21
|
25
|
20
|
30
|
44
|
50
|
54
|
51
|
51
|
61
|
65
|
69
|
|
2024/09
|
32
|
35
|
26
|
24
|
31
|
36
|
36
|
24
|
20
|
28
|
35
|
36
|
38
|
41
|
32
|
39
|
30
|
29
|
30
|
41
|
31
|
25
|
40
|
47
|
60
|
73
|
59
|
50
|
41
|
16
|
|
|
2024/08
|
28
|
18
|
16
|
13
|
23
|
23
|
20
|
21
|
24
|
20
|
46
|
60
|
48
|
41
|
36
|
35
|
39
|
37
|
40
|
38
|
38
|
30
|
24
|
26
|
20
|
22
|
31
|
31
|
30
|
34
|
37
|
|
2024/07
|
27
|
24
|
22
|
17
|
22
|
22
|
22
|
24
|
23
|
20
|
20
|
22
|
21
|
18
|
16
|
18
|
20
|
17
|
13
|
16
|
15
|
17
|
17
|
20
|
26
|
33
|
37
|
26
|
19
|
21
|
27
|
|
2024/06
|
40
|
29
|
23
|
18
|
32
|
34
|
17
|
18
|
19
|
24
|
27
|
19
|
33
|
40
|
43
|
43
|
26
|
29
|
32
|
31
|
25
|
21
|
26
|
24
|
26
|
27
|
22
|
24
|
16
|
35
|
|
|
2024/05
|
24
|
28
|
18
|
19
|
36
|
51
|
40
|
50
|
50
|
44
|
29
|
25
|
31
|
47
|
38
|
43
|
51
|
34
|
27
|
29
|
21
|
27
|
41
|
45
|
38
|
20
|
30
|
37
|
29
|
17
|
32
|
|
2024/04
|
56
|
51
|
38
|
23
|
29
|
24
|
25
|
24
|
47
|
45
|
41
|
49
|
58
|
64
|
72
|
53
|
32
|
32
|
23
|
30
|
42
|
48
|
32
|
42
|
32
|
42
|
30
|
43
|
48
|
15
|
|
|
2024/03
|
62
|
63
|
67
|
64
|
49
|
45
|
55
|
66
|
50
|
70
|
59
|
66
|
68
|
73
|
50
|
47
|
48
|
19
|
37
|
62
|
71
|
74
|
54
|
61
|
31
|
41
|
47
|
35
|
51
|
58
|
65
|
|
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