Air Quality
Excellent
No health implications.
11
PM2.5
27
PM10
89
O3
0.4
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
71
Good
Tue
30 Apr
60
Good
Wed
1 May
57
Good
Thu
2 May
58
Good
Fri
3 May
62
Good
Sat
4 May
59
Good
Sun
5 May
59
Good
Air quality in the last 12 months (Xihe)
|
2024/02
|
69
|
37
|
41
|
53
|
56
|
62
|
60
|
67
|
103
|
152
|
64
|
73
|
65
|
60
|
44
|
43
|
41
|
115
|
275
|
209
|
80
|
67
|
53
|
93
|
84
|
62
|
56
|
59
|
59
|
||
|
2024/01
|
77
|
67
|
66
|
65
|
69
|
67
|
70
|
75
|
78
|
77
|
78
|
77
|
74
|
72
|
72
|
74
|
85
|
54
|
42
|
56
|
56
|
47
|
41
|
43
|
56
|
64
|
70
|
64
|
50
|
48
|
68
|
|
2023/12
|
59
|
65
|
66
|
72
|
102
|
261
|
109
|
79
|
73
|
89
|
69
|
60
|
50
|
51
|
63
|
55
|
50
|
55
|
60
|
63
|
68
|
72
|
78
|
72
|
68
|
78
|
70
|
84
|
104
|
81
|
75
|
|
2023/11
|
37
|
52
|
57
|
50
|
45
|
52
|
57
|
52
|
51
|
59
|
58
|
60
|
49
|
46
|
55
|
54
|
61
|
63
|
60
|
59
|
61
|
68
|
80
|
65
|
67
|
72
|
68
|
66
|
60
|
56
|
|
|
2023/10
|
34
|
26
|
26
|
22
|
22
|
29
|
29
|
34
|
29
|
31
|
30
|
23
|
29
|
30
|
35
|
39
|
32
|
27
|
31
|
41
|
41
|
44
|
42
|
47
|
47
|
44
|
40
|
40
|
43
|
43
|
40
|
|
2023/09
|
31
|
38
|
48
|
41
|
42
|
39
|
37
|
41
|
28
|
27
|
31
|
33
|
32
|
30
|
28
|
29
|
31
|
28
|
21
|
25
|
26
|
26
|
23
|
23
|
23
|
25
|
27
|
27
|
30
|
35
|
|
|
2023/08
|
30
|
28
|
24
|
27
|
26
|
29
|
31
|
24
|
24
|
27
|
24
|
29
|
34
|
33
|
33
|
34
|
65
|
35
|
37
|
38
|
43
|
38
|
35
|
36
|
31
|
28
|
33
|
34
|
32
|
34
|
32
|
|
2023/07
|
37
|
30
|
30
|
34
|
42
|
39
|
39
|
43
|
41
|
41
|
37
|
28
|
29
|
34
|
41
|
37
|
37
|
35
|
33
|
39
|
40
|
42
|
36
|
32
|
29
|
29
|
25
|
23
|
28
|
26
|
27
|
|
2023/06
|
33
|
27
|
23
|
27
|
37
|
38
|
36
|
37
|
43
|
45
|
46
|
39
|
37
|
42
|
39
|
32
|
27
|
50
|
64
|
49
|
41
|
41
|
38
|
35
|
35
|
34
|
34
|
44
|
45
|
42
|
|
|
2023/05
|
57
|
46
|
41
|
68
|
64
|
40
|
28
|
26
|
25
|
33
|
51
|
56
|
46
|
46
|
48
|
50
|
53
|
36
|
45
|
45
|
53
|
39
|
39
|
37
|
45
|
42
|
37
|
35
|
29
|
44
|
37
|
|
2023/04
|
45
|
50
|
37
|
37
|
55
|
91
|
88
|
66
|
57
|
68
|
135
|
105
|
52
|
57
|
65
|
56
|
61
|
68
|
54
|
484
|
69
|
31
|
25
|
30
|
46
|
51
|
58
|
62
|
63
|
54
|
|
|
2023/03
|
63
|
63
|
60
|
57
|
58
|
59
|
59
|
47
|
52
|
57
|
97
|
73
|
64
|
63
|
89
|
45
|
47
|
37
|
40
|
27
|
99
|
158
|
50
|
35
|
51
|
60
|
53
|
47
|
42
|
51
|
50
|
|
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