Air Quality
Excellent
No health implications.
21
PM2.5
38
PM10
70
O3
0.5
CO
8
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jan
35
Excellent
Wed
14 Jan
32
Excellent
Thu
15 Jan
36
Excellent
Fri
16 Jan
35
Excellent
Sat
17 Jan
36
Excellent
Sun
18 Jan
19
Excellent
Mon
19 Jan
28
Excellent
Gucheng Air quality rank
Air quality in the last 12 months (Gucheng)
|
2025/11
|
14
|
16
|
8
|
12
|
22
|
14
|
14
|
20
|
20
|
15
|
19
|
24
|
27
|
26
|
26
|
32
|
28
|
32
|
28
|
22
|
23
|
21
|
20
|
22
|
25
|
34
|
30
|
32
|
30
|
28
|
|
|
2025/10
|
9
|
13
|
13
|
14
|
14
|
13
|
14
|
10
|
12
|
13
|
13
|
11
|
13
|
15
|
17
|
24
|
17
|
13
|
15
|
10
|
15
|
20
|
23
|
22
|
16
|
14
|
16
|
17
|
14
|
17
|
18
|
|
2025/09
|
20
|
14
|
15
|
12
|
16
|
13
|
20
|
17
|
20
|
22
|
18
|
17
|
13
|
20
|
26
|
18
|
14
|
17
|
16
|
16
|
15
|
14
|
12
|
16
|
23
|
20
|
11
|
16
|
12
|
10
|
|
|
2025/08
|
19
|
15
|
15
|
16
|
16
|
22
|
17
|
21
|
14
|
18
|
16
|
11
|
16
|
26
|
25
|
17
|
13
|
17
|
22
|
18
|
14
|
14
|
13
|
10
|
11
|
20
|
22
|
20
|
10
|
13
|
16
|
|
2025/07
|
19
|
17
|
14
|
13
|
10
|
11
|
11
|
12
|
15
|
16
|
22
|
18
|
19
|
27
|
20
|
23
|
22
|
27
|
15
|
20
|
17
|
18
|
16
|
13
|
14
|
11
|
9
|
14
|
22
|
22
|
13
|
|
2025/06
|
11
|
19
|
12
|
24
|
23
|
15
|
17
|
21
|
20
|
17
|
24
|
23
|
34
|
23
|
18
|
18
|
12
|
11
|
12
|
14
|
15
|
10
|
15
|
16
|
12
|
14
|
16
|
19
|
16
|
17
|
|
|
2025/05
|
21
|
20
|
21
|
13
|
15
|
16
|
17
|
18
|
26
|
29
|
21
|
29
|
22
|
21
|
22
|
24
|
27
|
26
|
24
|
17
|
14
|
21
|
24
|
12
|
13
|
23
|
15
|
15
|
12
|
15
|
14
|
|
2025/04
|
61
|
55
|
52
|
41
|
41
|
39
|
43
|
41
|
36
|
38
|
28
|
30
|
22
|
31
|
34
|
18
|
25
|
25
|
21
|
20
|
18
|
18
|
24
|
26
|
41
|
34
|
39
|
43
|
31
|
34
|
|
|
2025/03
|
28
|
19
|
19
|
28
|
31
|
41
|
47
|
55
|
39
|
40
|
37
|
40
|
47
|
29
|
16
|
31
|
18
|
25
|
18
|
32
|
46
|
26
|
21
|
22
|
23
|
20
|
21
|
36
|
80
|
69
|
61
|
|
2025/02
|
24
|
27
|
45
|
43
|
28
|
27
|
30
|
25
|
22
|
22
|
23
|
25
|
29
|
29
|
21
|
30
|
24
|
32
|
16
|
19
|
21
|
22
|
31
|
28
|
28
|
18
|
16
|
23
|
|||
|
2025/01
|
29
|
33
|
45
|
41
|
41
|
30
|
22
|
27
|
29
|
25
|
31
|
29
|
21
|
23
|
40
|
57
|
34
|
18
|
21
|
33
|
57
|
36
|
22
|
16
|
17
|
23
|
28
|
50
|
56
|
22
|
19
|
|
2024/12
|
19
|
16
|
18
|
21
|
20
|
23
|
22
|
22
|
18
|
22
|
25
|
33
|
24
|
20
|
18
|
22
|
22
|
35
|
24
|
20
|
26
|
20
|
26
|
31
|
25
|
34
|
32
|
45
|
22
|
24
|
24
|
|
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