Air Quality
Excellent
No health implications.
8
PM2.5
14
PM10
47
O3
0.4
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Feb
50
Excellent
Mon
10 Feb
51
Good
Tue
11 Feb
59
Good
Wed
12 Feb
47
Excellent
Thu
13 Feb
43
Excellent
Fri
14 Feb
32
Excellent
Sat
15 Feb
43
Excellent
Air quality in the last 12 months (Guyuan)
|
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
|
|
|
2024/05
|
26
|
31
|
36
|
55
|
47
|
33
|
26
|
36
|
56
|
149
|
87
|
21
|
29
|
34
|
19
|
45
|
44
|
56
|
52
|
28
|
39
|
50
|
61
|
30
|
22
|
26
|
22
|
19
|
62
|
26
|
12
|
|
2024/04
|
49
|
50
|
29
|
42
|
43
|
26
|
30
|
39
|
57
|
40
|
49
|
86
|
65
|
159
|
172
|
32
|
40
|
43
|
56
|
18
|
58
|
62
|
15
|
55
|
107
|
70
|
87
|
20
|
12
|
17
|
|
|
2024/03
|
21
|
63
|
18
|
40
|
41
|
20
|
19
|
14
|
29
|
44
|
31
|
14
|
25
|
34
|
57
|
129
|
21
|
152
|
51
|
15
|
49
|
33
|
42
|
49
|
32
|
73
|
215
|
175
|
83
|
23
|
27
|
|
2024/02
|
24
|
30
|
22
|
28
|
40
|
26
|
26
|
29
|
36
|
126
|
36
|
51
|
65
|
43
|
30
|
61
|
60
|
48
|
24
|
24
|
25
|
24
|
20
|
33
|
33
|
39
|
62
|
39
|
25
|
||
|
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