Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
49
O3
0.7
CO
9
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Jul
37
Excellent
Mon
7 Jul
35
Excellent
Tue
8 Jul
36
Excellent
Wed
9 Jul
38
Excellent
Thu
10 Jul
30
Excellent
Fri
11 Jul
36
Excellent
Sat
12 Jul
19
Excellent
Air quality in the last 12 months (Gucheng)
|
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
|
|
2024/06
|
33
|
24
|
21
|
19
|
26
|
29
|
21
|
23
|
30
|
21
|
27
|
17
|
16
|
14
|
14
|
19
|
16
|
16
|
20
|
21
|
18
|
22
|
19
|
14
|
13
|
23
|
22
|
15
|
15
|
10
|
|
|
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