Air Quality
Excellent
No health implications.
8
PM2.5
19
PM10
36
O3
0.2
CO
11
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
54
Good
Thu
30 Apr
74
Good
Fri
1 May
59
Good
Sat
2 May
50
Excellent
Sun
3 May
77
Good
Mon
4 May
43
Excellent
Tue
5 May
22
Excellent
Air quality in the last 12 months (Guyuan)
|
2026/03
|
53
|
64
|
48
|
36
|
39
|
23
|
33
|
45
|
22
|
32
|
22
|
42
|
60
|
27
|
36
|
41
|
57
|
28
|
26
|
30
|
66
|
47
|
51
|
76
|
54
|
32
|
24
|
37
|
37
|
24
|
33
|
|
2026/02
|
15
|
15
|
28
|
42
|
17
|
11
|
11
|
16
|
30
|
37
|
23
|
45
|
41
|
39
|
20
|
20
|
70
|
28
|
46
|
96
|
228
|
26
|
28
|
36
|
66
|
36
|
41
|
39
|
|||
|
2026/01
|
30
|
19
|
26
|
17
|
14
|
20
|
20
|
45
|
56
|
22
|
19
|
39
|
26
|
55
|
78
|
26
|
22
|
24
|
15
|
13
|
13
|
23
|
23
|
18
|
27
|
35
|
17
|
32
|
29
|
28
|
22
|
|
2025/12
|
22
|
21
|
23
|
20
|
30
|
49
|
29
|
23
|
38
|
50
|
24
|
34
|
18
|
37
|
48
|
34
|
22
|
33
|
51
|
17
|
20
|
40
|
34
|
22
|
18
|
25
|
35
|
40
|
21
|
20
|
21
|
|
2025/11
|
17
|
11
|
29
|
35
|
46
|
53
|
45
|
38
|
17
|
17
|
32
|
42
|
17
|
36
|
50
|
19
|
15
|
18
|
22
|
20
|
23
|
39
|
76
|
31
|
34
|
49
|
30
|
67
|
76
|
68
|
|
|
2025/10
|
26
|
33
|
31
|
28
|
28
|
27
|
24
|
18
|
12
|
14
|
23
|
21
|
32
|
36
|
27
|
22
|
10
|
12
|
12
|
14
|
14
|
23
|
32
|
38
|
27
|
13
|
13
|
32
|
56
|
27
|
16
|
|
2025/09
|
20
|
28
|
47
|
36
|
34
|
20
|
14
|
15
|
32
|
33
|
40
|
33
|
34
|
16
|
18
|
13
|
14
|
11
|
15
|
18
|
19
|
26
|
18
|
17
|
19
|
24
|
25
|
22
|
18
|
18
|
|
|
2025/08
|
35
|
37
|
24
|
33
|
23
|
13
|
15
|
23
|
17
|
19
|
32
|
20
|
19
|
24
|
35
|
21
|
23
|
30
|
24
|
23
|
24
|
22
|
21
|
21
|
18
|
19
|
14
|
20
|
26
|
27
|
23
|
|
2025/07
|
24
|
26
|
25
|
31
|
24
|
19
|
28
|
28
|
32
|
37
|
38
|
34
|
20
|
21
|
29
|
14
|
16
|
20
|
34
|
17
|
15
|
22
|
31
|
20
|
20
|
25
|
19
|
19
|
17
|
15
|
22
|
|
2025/06
|
30
|
12
|
14
|
15
|
22
|
17
|
14
|
18
|
22
|
21
|
34
|
55
|
33
|
27
|
11
|
20
|
23
|
34
|
21
|
16
|
17
|
31
|
31
|
39
|
45
|
46
|
48
|
33
|
32
|
28
|
|
|
2025/05
|
15
|
14
|
15
|
16
|
61
|
19
|
41
|
67
|
23
|
37
|
20
|
32
|
36
|
21
|
31
|
58
|
22
|
14
|
13
|
43
|
41
|
48
|
35
|
30
|
41
|
27
|
14
|
24
|
44
|
56
|
29
|
|
2025/04
|
16
|
14
|
40
|
48
|
18
|
29
|
36
|
26
|
23
|
28
|
82
|
53
|
52
|
38
|
33
|
63
|
45
|
12
|
15
|
39
|
54
|
35
|
46
|
16
|
20
|
36
|
15
|
19
|
38
|
19
|
|
|
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