Air Quality
Excellent
No health implications.
20
PM2.5
33
PM10
99
O3
0.4
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
55
Good
Tue
29 Apr
35
Excellent
Wed
30 Apr
64
Good
Thu
1 May
91
Good
Fri
2 May
94
Good
Sat
3 May
84
Good
Sun
4 May
25
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