Air Quality
Excellent
No health implications.
10
PM2.5
38
PM10
54
O3
0.3
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Nov
53
Good
Fri
28 Nov
57
Good
Sat
29 Nov
57
Good
Sun
30 Nov
48
Excellent
Mon
1 Dec
50
Excellent
Tue
2 Dec
47
Excellent
Wed
3 Dec
46
Excellent
Air quality in the last 12 months (Xiahe)
|
2025/10
|
19
|
30
|
38
|
33
|
22
|
23
|
15
|
15
|
19
|
18
|
21
|
21
|
32
|
31
|
33
|
38
|
29
|
43
|
41
|
43
|
32
|
25
|
22
|
28
|
33
|
35
|
39
|
46
|
48
|
49
|
59
|
|
2025/09
|
33
|
25
|
29
|
28
|
36
|
58
|
59
|
48
|
42
|
36
|
34
|
36
|
47
|
51
|
27
|
59
|
25
|
17
|
24
|
32
|
27
|
26
|
31
|
39
|
37
|
25
|
24
|
20
|
24
|
27
|
|
|
2025/08
|
38
|
33
|
33
|
10
|
20
|
22
|
20
|
19
|
22
|
26
|
32
|
27
|
29
|
36
|
31
|
36
|
36
|
31
|
17
|
30
|
11
|
17
|
20
|
32
|
30
|
18
|
10
|
11
|
22
|
33
|
37
|
|
2025/07
|
39
|
29
|
28
|
20
|
25
|
19
|
31
|
37
|
36
|
36
|
32
|
27
|
34
|
39
|
38
|
42
|
43
|
27
|
50
|
19
|
21
|
25
|
32
|
26
|
22
|
25
|
37
|
36
|
27
|
27
|
49
|
|
2025/06
|
21
|
25
|
22
|
28
|
43
|
43
|
38
|
42
|
20
|
38
|
38
|
38
|
42
|
30
|
44
|
45
|
51
|
37
|
33
|
38
|
34
|
18
|
27
|
16
|
24
|
32
|
29
|
34
|
34
|
25
|
|
|
2025/05
|
39
|
67
|
153
|
75
|
47
|
59
|
86
|
79
|
48
|
36
|
33
|
45
|
51
|
32
|
20
|
42
|
40
|
47
|
44
|
37
|
40
|
56
|
57
|
45
|
33
|
40
|
34
|
35
|
43
|
71
|
57
|
|
2025/04
|
85
|
84
|
73
|
97
|
87
|
63
|
56
|
96
|
76
|
69
|
72
|
54
|
45
|
54
|
59
|
69
|
61
|
107
|
79
|
77
|
91
|
67
|
52
|
45
|
39
|
29
|
32
|
45
|
45
|
51
|
|
|
2025/03
|
57
|
51
|
51
|
45
|
46
|
56
|
80
|
58
|
49
|
54
|
96
|
110
|
57
|
40
|
49
|
42
|
42
|
50
|
58
|
56
|
49
|
56
|
56
|
43
|
42
|
177
|
158
|
60
|
72
|
85
|
85
|
|
2025/02
|
46
|
47
|
41
|
43
|
53
|
53
|
52
|
53
|
52
|
55
|
66
|
69
|
59
|
62
|
49
|
47
|
43
|
46
|
55
|
54
|
54
|
50
|
53
|
48
|
44
|
43
|
48
|
47
|
|||
|
2025/01
|
45
|
55
|
49
|
60
|
45
|
51
|
61
|
65
|
69
|
65
|
45
|
40
|
39
|
49
|
62
|
50
|
52
|
51
|
49
|
45
|
48
|
58
|
63
|
66
|
70
|
63
|
37
|
39
|
69
|
45
|
38
|
|
2024/12
|
36
|
40
|
44
|
49
|
49
|
46
|
50
|
50
|
48
|
48
|
47
|
46
|
40
|
39
|
30
|
27
|
26
|
43
|
51
|
50
|
66
|
69
|
68
|
88
|
82
|
56
|
63
|
56
|
59
|
50
|
45
|
|
2024/11
|
29
|
28
|
31
|
33
|
29
|
31
|
30
|
33
|
38
|
37
|
44
|
41
|
45
|
36
|
41
|
37
|
37
|
39
|
37
|
32
|
35
|
26
|
33
|
39
|
48
|
35
|
36
|
37
|
38
|
37
|
|
|
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