Air Quality
Excellent
No health implications.
16
PM2.5
32
PM10
64
O3
0.3
CO
16
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jun
97
Good
Mon
23 Jun
110
Light
Tue
24 Jun
113
Light
Wed
25 Jun
124
Light
Thu
26 Jun
114
Light
Fri
27 Jun
78
Good
Sat
28 Jun
43
Excellent
Air quality in the last 12 months (Guyuan)
|
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
|
|
|
2025/03
|
59
|
30
|
21
|
32
|
30
|
14
|
28
|
52
|
65
|
79
|
139
|
32
|
38
|
51
|
31
|
16
|
21
|
13
|
12
|
15
|
22
|
35
|
147
|
55
|
35
|
113
|
24
|
19
|
20
|
17
|
14
|
|
2025/02
|
49
|
27
|
11
|
15
|
26
|
33
|
13
|
12
|
15
|
34
|
53
|
30
|
42
|
35
|
74
|
16
|
13
|
11
|
11
|
11
|
11
|
14
|
13
|
24
|
25
|
25
|
51
|
43
|
|||
|
2025/01
|
34
|
13
|
18
|
23
|
32
|
11
|
11
|
11
|
12
|
17
|
26
|
16
|
16
|
12
|
23
|
37
|
31
|
34
|
24
|
33
|
21
|
25
|
41
|
44
|
62
|
91
|
11
|
19
|
85
|
35
|
53
|
|
2024/12
|
25
|
12
|
12
|
9
|
13
|
15
|
11
|
15
|
16
|
22
|
21
|
24
|
19
|
17
|
21
|
18
|
13
|
13
|
17
|
26
|
13
|
14
|
18
|
35
|
45
|
15
|
14
|
31
|
64
|
50
|
34
|
|
2024/11
|
45
|
45
|
32
|
12
|
16
|
18
|
42
|
66
|
83
|
48
|
35
|
32
|
52
|
44
|
35
|
43
|
24
|
24
|
47
|
41
|
17
|
15
|
40
|
64
|
29
|
21
|
16
|
10
|
12
|
23
|
|
|
2024/10
|
10
|
10
|
16
|
33
|
45
|
20
|
9
|
14
|
30
|
20
|
29
|
41
|
58
|
41
|
23
|
42
|
52
|
17
|
14
|
16
|
30
|
12
|
26
|
30
|
48
|
57
|
13
|
16
|
20
|
26
|
52
|
|
2024/09
|
15
|
13
|
17
|
21
|
13
|
13
|
13
|
16
|
22
|
13
|
15
|
14
|
14
|
11
|
13
|
13
|
11
|
17
|
31
|
12
|
11
|
11
|
18
|
28
|
13
|
21
|
40
|
37
|
28
|
10
|
|
|
2024/08
|
16
|
23
|
24
|
25
|
20
|
20
|
32
|
28
|
26
|
47
|
11
|
12
|
15
|
19
|
22
|
25
|
27
|
19
|
20
|
14
|
12
|
16
|
18
|
18
|
17
|
15
|
20
|
21
|
23
|
26
|
28
|
|
2024/07
|
17
|
25
|
21
|
23
|
25
|
27
|
23
|
35
|
57
|
52
|
45
|
29
|
23
|
32
|
40
|
21
|
13
|
15
|
26
|
21
|
41
|
36
|
34
|
32
|
19
|
17
|
25
|
20
|
17
|
21
|
17
|
|
2024/06
|
15
|
15
|
21
|
37
|
40
|
38
|
18
|
26
|
20
|
33
|
21
|
22
|
23
|
18
|
15
|
18
|
23
|
38
|
58
|
52
|
82
|
416
|
119
|
13
|
16
|
34
|
54
|
47
|
46
|
23
|
|
|
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