Air Quality
Excellent
No health implications.
11
PM2.5
20
PM10
34
O3
0.7
CO
11
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Sep
32
Excellent
Tue
2 Sep
38
Excellent
Wed
3 Sep
33
Excellent
Thu
4 Sep
33
Excellent
Fri
5 Sep
38
Excellent
Sat
6 Sep
32
Excellent
Sun
7 Sep
21
Excellent
Air quality in the last 12 months (Gucheng)
|
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
|
|
2024/11
|
30
|
35
|
27
|
28
|
18
|
24
|
14
|
11
|
16
|
23
|
20
|
18
|
21
|
23
|
26
|
32
|
36
|
25
|
20
|
21
|
16
|
22
|
17
|
16
|
20
|
22
|
21
|
24
|
21
|
19
|
|
|
2024/10
|
15
|
13
|
19
|
22
|
17
|
17
|
17
|
17
|
16
|
18
|
15
|
13
|
15
|
21
|
20
|
14
|
15
|
20
|
26
|
20
|
27
|
26
|
20
|
14
|
15
|
22
|
21
|
41
|
33
|
20
|
20
|
|
2024/09
|
16
|
18
|
21
|
17
|
14
|
20
|
25
|
24
|
20
|
14
|
16
|
16
|
23
|
28
|
22
|
22
|
19
|
18
|
23
|
24
|
27
|
24
|
25
|
30
|
28
|
20
|
20
|
12
|
14
|
19
|
|
|
2024/08
|
16
|
26
|
19
|
12
|
15
|
24
|
22
|
17
|
14
|
13
|
15
|
23
|
16
|
30
|
35
|
22
|
24
|
16
|
15
|
20
|
24
|
27
|
31
|
31
|
26
|
24
|
25
|
23
|
29
|
30
|
16
|
|
2024/07
|
14
|
21
|
17
|
16
|
15
|
17
|
16
|
15
|
13
|
14
|
20
|
13
|
22
|
20
|
20
|
18
|
17
|
20
|
19
|
20
|
16
|
21
|
13
|
16
|
14
|
19
|
24
|
24
|
20
|
14
|
15
|
|
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