Air Quality
Excellent
No health implications.
13
PM2.5
28
PM10
28
O3
0.5
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jul
54
Good
Sun
27 Jul
56
Good
Mon
28 Jul
56
Good
Tue
29 Jul
57
Good
Wed
30 Jul
63
Good
Thu
31 Jul
34
Excellent
Fri
1 Aug
49
Excellent
Air quality in the last 12 months (Xihe)
|
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
|
|
|
2025/03
|
56
|
54
|
44
|
38
|
40
|
47
|
55
|
59
|
38
|
32
|
109
|
104
|
84
|
37
|
53
|
49
|
53
|
47
|
48
|
55
|
49
|
48
|
55
|
46
|
45
|
181
|
153
|
93
|
89
|
71
|
69
|
|
2025/02
|
61
|
59
|
44
|
46
|
51
|
47
|
60
|
62
|
52
|
43
|
58
|
78
|
62
|
55
|
54
|
56
|
46
|
38
|
57
|
50
|
56
|
46
|
47
|
46
|
49
|
43
|
39
|
45
|
|||
|
2025/01
|
76
|
65
|
65
|
70
|
66
|
64
|
58
|
60
|
54
|
57
|
57
|
61
|
60
|
64
|
55
|
58
|
62
|
65
|
70
|
73
|
65
|
70
|
98
|
92
|
68
|
67
|
71
|
83
|
128
|
88
|
80
|
|
2024/12
|
66
|
71
|
68
|
58
|
54
|
59
|
53
|
49
|
39
|
51
|
60
|
53
|
48
|
55
|
64
|
66
|
69
|
58
|
51
|
60
|
61
|
54
|
54
|
58
|
60
|
61
|
58
|
62
|
67
|
60
|
58
|
|
2024/11
|
37
|
35
|
46
|
48
|
42
|
37
|
37
|
35
|
43
|
46
|
46
|
50
|
45
|
36
|
42
|
44
|
39
|
24
|
32
|
45
|
47
|
40
|
42
|
34
|
40
|
53
|
57
|
60
|
59
|
66
|
|
|
2024/10
|
27
|
30
|
32
|
26
|
35
|
42
|
41
|
39
|
38
|
36
|
38
|
28
|
28
|
30
|
28
|
36
|
30
|
42
|
35
|
25
|
36
|
42
|
49
|
40
|
45
|
33
|
36
|
42
|
43
|
38
|
34
|
|
2024/09
|
29
|
36
|
35
|
26
|
20
|
31
|
27
|
31
|
26
|
25
|
29
|
33
|
28
|
31
|
38
|
34
|
31
|
32
|
32
|
31
|
28
|
34
|
38
|
37
|
32
|
26
|
46
|
56
|
31
|
24
|
|
|
2024/08
|
31
|
37
|
24
|
21
|
24
|
27
|
26
|
27
|
57
|
55
|
45
|
36
|
33
|
35
|
22
|
29
|
33
|
30
|
31
|
27
|
34
|
38
|
41
|
41
|
35
|
33
|
31
|
30
|
32
|
29
|
34
|
|
2024/07
|
27
|
29
|
22
|
22
|
34
|
43
|
23
|
20
|
29
|
33
|
31
|
30
|
27
|
27
|
17
|
19
|
20
|
23
|
19
|
18
|
29
|
24
|
20
|
65
|
68
|
57
|
51
|
41
|
31
|
31
|
29
|
|
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