Air Quality
Excellent
No health implications.
4
PM2.5
8
PM10
51
O3
0.4
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Mar
52
Good
Sun
8 Mar
53
Good
Mon
9 Mar
39
Excellent
Tue
10 Mar
61
Good
Wed
11 Mar
52
Good
Thu
12 Mar
19
Excellent
Fri
13 Mar
49
Excellent
Air quality in the last 12 months (Guyuan)
|
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
|
|
|
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
|
|
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