Air Quality
Excellent
No health implications.
8
PM2.5
19
PM10
33
O3
0.7
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Aug
39
Excellent
Sat
29 Aug
41
Excellent
Sun
30 Aug
38
Excellent
Mon
31 Aug
39
Excellent
Tue
1 Sep
38
Excellent
Wed
2 Sep
34
Excellent
Thu
3 Sep
24
Excellent
Air quality in the last 12 months (Gucheng)
|
2026/07
|
25
|
20
|
21
|
16
|
20
|
19
|
17
|
17
|
23
|
14
|
14
|
19
|
24
|
24
|
24
|
16
|
13
|
16
|
24
|
26
|
32
|
30
|
23
|
30
|
25
|
28
|
29
|
29
|
20
|
16
|
15
|
|
2026/06
|
20
|
19
|
21
|
24
|
26
|
28
|
29
|
28
|
22
|
22
|
24
|
26
|
18
|
17
|
18
|
25
|
18
|
18
|
20
|
18
|
18
|
22
|
17
|
16
|
16
|
17
|
18
|
19
|
18
|
23
|
|
|
2026/05
|
28
|
28
|
24
|
25
|
27
|
32
|
30
|
31
|
30
|
36
|
25
|
30
|
29
|
28
|
26
|
26
|
27
|
30
|
32
|
33
|
28
|
29
|
27
|
31
|
33
|
31
|
31
|
32
|
39
|
23
|
21
|
|
2026/04
|
27
|
29
|
28
|
27
|
32
|
32
|
29
|
29
|
35
|
35
|
35
|
43
|
38
|
39
|
37
|
35
|
37
|
35
|
34
|
31
|
31
|
31
|
30
|
39
|
43
|
40
|
36
|
26
|
28
|
27
|
|
|
2026/03
|
36
|
39
|
39
|
34
|
37
|
58
|
53
|
45
|
48
|
29
|
38
|
52
|
52
|
29
|
25
|
30
|
30
|
30
|
31
|
31
|
30
|
29
|
29
|
30
|
31
|
33
|
31
|
36
|
30
|
31
|
30
|
|
2026/02
|
24
|
19
|
18
|
16
|
19
|
24
|
27
|
25
|
20
|
23
|
24
|
22
|
24
|
22
|
28
|
36
|
41
|
36
|
50
|
42
|
28
|
49
|
29
|
30
|
26
|
25
|
25
|
30
|
|||
|
2026/01
|
33
|
22
|
19
|
17
|
18
|
25
|
24
|
27
|
26
|
25
|
27
|
23
|
29
|
30
|
31
|
26
|
35
|
31
|
28
|
18
|
21
|
30
|
32
|
27
|
22
|
26
|
23
|
23
|
25
|
25
|
24
|
|
2025/12
|
38
|
37
|
36
|
24
|
27
|
26
|
30
|
34
|
29
|
28
|
27
|
27
|
32
|
33
|
26
|
27
|
35
|
29
|
26
|
28
|
36
|
29
|
32
|
22
|
27
|
27
|
25
|
20
|
23
|
22
|
25
|
|
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
|
|
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