Air Quality
Excellent
No health implications.
11
PM2.5
45
PM10
148
O3
0.7
CO
2
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
81
Good
Tue
29 Apr
93
Good
Wed
30 Apr
53
Good
Thu
1 May
50
Excellent
Fri
2 May
76
Good
Sat
3 May
50
Excellent
Sun
4 May
19
Excellent
Air quality in the last 12 months (Xinhui)
|
2025/02
|
45
|
30
|
12
|
29
|
52
|
56
|
27
|
51
|
41
|
54
|
55
|
54
|
53
|
58
|
34
|
67
|
51
|
68
|
50
|
39
|
52
|
56
|
36
|
40
|
53
|
83
|
80
|
42
|
|||
|
2025/01
|
98
|
82
|
68
|
85
|
96
|
105
|
106
|
100
|
88
|
48
|
37
|
42
|
70
|
64
|
62
|
58
|
61
|
79
|
82
|
91
|
73
|
65
|
74
|
49
|
32
|
18
|
31
|
38
|
68
|
50
|
34
|
|
2024/12
|
72
|
92
|
75
|
70
|
62
|
81
|
62
|
39
|
57
|
82
|
64
|
34
|
42
|
59
|
48
|
49
|
72
|
52
|
56
|
72
|
68
|
64
|
79
|
75
|
69
|
71
|
86
|
68
|
94
|
115
|
90
|
|
2024/11
|
43
|
34
|
56
|
56
|
39
|
56
|
48
|
48
|
49
|
54
|
61
|
65
|
65
|
31
|
33
|
27
|
35
|
32
|
20
|
30
|
36
|
35
|
43
|
50
|
49
|
27
|
33
|
38
|
39
|
55
|
|
|
2024/10
|
37
|
27
|
39
|
38
|
44
|
47
|
54
|
74
|
60
|
40
|
48
|
53
|
51
|
36
|
41
|
35
|
33
|
37
|
67
|
57
|
43
|
41
|
26
|
32
|
40
|
43
|
37
|
29
|
28
|
43
|
46
|
|
2024/09
|
21
|
26
|
38
|
50
|
37
|
11
|
20
|
18
|
18
|
33
|
40
|
51
|
46
|
57
|
38
|
40
|
39
|
23
|
37
|
34
|
20
|
23
|
21
|
35
|
38
|
44
|
35
|
46
|
26
|
38
|
|
|
2024/08
|
23
|
22
|
21
|
22
|
33
|
38
|
39
|
22
|
20
|
20
|
22
|
19
|
35
|
31
|
29
|
25
|
13
|
25
|
24
|
21
|
18
|
22
|
32
|
25
|
26
|
36
|
33
|
44
|
39
|
39
|
21
|
|
2024/07
|
21
|
19
|
14
|
16
|
19
|
17
|
16
|
15
|
15
|
15
|
14
|
14
|
12
|
16
|
15
|
17
|
14
|
16
|
26
|
26
|
15
|
15
|
16
|
27
|
24
|
27
|
20
|
13
|
10
|
13
|
22
|
|
2024/06
|
9
|
28
|
19
|
16
|
31
|
35
|
35
|
19
|
15
|
15
|
22
|
25
|
23
|
25
|
19
|
21
|
20
|
20
|
20
|
17
|
14
|
21
|
13
|
14
|
18
|
36
|
21
|
14
|
13
|
16
|
|
|
2024/05
|
23
|
32
|
41
|
21
|
41
|
28
|
34
|
32
|
40
|
42
|
34
|
34
|
38
|
34
|
39
|
42
|
46
|
40
|
42
|
32
|
19
|
37
|
42
|
16
|
27
|
18
|
19
|
26
|
30
|
32
|
22
|
|
2024/04
|
37
|
45
|
23
|
20
|
29
|
37
|
31
|
44
|
34
|
37
|
44
|
41
|
35
|
30
|
35
|
32
|
28
|
25
|
26
|
24
|
17
|
26
|
24
|
45
|
21
|
30
|
38
|
29
|
22
|
29
|
|
|
2024/03
|
29
|
31
|
72
|
48
|
33
|
45
|
36
|
46
|
59
|
32
|
34
|
37
|
60
|
83
|
86
|
87
|
52
|
49
|
33
|
58
|
53
|
46
|
34
|
33
|
27
|
58
|
42
|
39
|
55
|
31
|
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