Air Quality
Excellent
No health implications.
22
PM2.5
50
PM10
79
O3
0.5
CO
9
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Apr
57
Good
Sat
18 Apr
60
Good
Sun
19 Apr
54
Good
Mon
20 Apr
58
Good
Tue
21 Apr
57
Good
Wed
22 Apr
56
Good
Thu
23 Apr
34
Excellent
Air quality in the last 12 months (Xihe)
|
2026/03
|
39
|
42
|
46
|
52
|
70
|
59
|
51
|
34
|
39
|
40
|
41
|
54
|
100
|
64
|
75
|
58
|
43
|
63
|
67
|
61
|
56
|
74
|
70
|
62
|
54
|
42
|
53
|
47
|
42
|
31
|
42
|
|
2026/02
|
87
|
79
|
69
|
64
|
62
|
61
|
64
|
57
|
43
|
81
|
71
|
72
|
79
|
65
|
68
|
48
|
81
|
56
|
55
|
53
|
62
|
108
|
117
|
83
|
62
|
76
|
60
|
33
|
|||
|
2026/01
|
66
|
59
|
57
|
66
|
58
|
61
|
66
|
64
|
65
|
64
|
67
|
80
|
75
|
80
|
81
|
72
|
65
|
78
|
58
|
56
|
55
|
59
|
60
|
57
|
260
|
330
|
153
|
120
|
71
|
73
|
86
|
|
2025/12
|
67
|
63
|
56
|
64
|
64
|
69
|
71
|
63
|
72
|
73
|
64
|
61
|
80
|
70
|
71
|
80
|
69
|
62
|
69
|
47
|
50
|
51
|
59
|
56
|
54
|
58
|
71
|
76
|
79
|
74
|
66
|
|
2025/11
|
56
|
49
|
40
|
30
|
32
|
32
|
67
|
74
|
62
|
56
|
53
|
55
|
59
|
62
|
56
|
55
|
57
|
50
|
52
|
61
|
62
|
62
|
66
|
68
|
65
|
82
|
109
|
79
|
74
|
65
|
|
|
2025/10
|
28
|
27
|
26
|
26
|
35
|
25
|
22
|
25
|
24
|
22
|
23
|
29
|
35
|
35
|
32
|
34
|
25
|
34
|
34
|
28
|
26
|
28
|
28
|
26
|
34
|
45
|
47
|
44
|
48
|
51
|
58
|
|
2025/09
|
28
|
43
|
52
|
44
|
45
|
69
|
60
|
40
|
35
|
30
|
25
|
30
|
32
|
32
|
32
|
35
|
29
|
21
|
26
|
26
|
23
|
27
|
27
|
36
|
40
|
40
|
30
|
30
|
39
|
42
|
|
|
2025/08
|
36
|
33
|
36
|
35
|
29
|
31
|
31
|
33
|
27
|
27
|
35
|
41
|
33
|
35
|
34
|
30
|
26
|
26
|
28
|
30
|
31
|
30
|
22
|
25
|
23
|
29
|
26
|
19
|
21
|
26
|
27
|
|
2025/07
|
26
|
25
|
19
|
21
|
26
|
31
|
23
|
26
|
26
|
27
|
25
|
27
|
29
|
28
|
36
|
41
|
38
|
31
|
47
|
31
|
28
|
29
|
26
|
22
|
22
|
27
|
29
|
25
|
33
|
27
|
30
|
|
2025/06
|
39
|
41
|
41
|
36
|
37
|
41
|
37
|
39
|
34
|
36
|
39
|
40
|
33
|
47
|
59
|
47
|
45
|
34
|
41
|
45
|
36
|
27
|
28
|
28
|
27
|
29
|
24
|
33
|
35
|
24
|
|
|
2025/05
|
56
|
55
|
83
|
81
|
38
|
71
|
44
|
50
|
63
|
44
|
47
|
58
|
49
|
60
|
50
|
49
|
65
|
51
|
61
|
54
|
52
|
87
|
62
|
43
|
34
|
44
|
31
|
29
|
32
|
54
|
58
|
|
2025/04
|
87
|
87
|
77
|
80
|
88
|
60
|
43
|
76
|
77
|
68
|
86
|
445
|
145
|
77
|
63
|
74
|
67
|
173
|
129
|
67
|
80
|
94
|
59
|
54
|
52
|
41
|
46
|
53
|
53
|
68
|
|
|
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