Air Quality
Excellent
No health implications.
18
PM2.5
38
PM10
105
O3
0.6
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Sep
53
Good
Sun
13 Sep
41
Excellent
Mon
14 Sep
59
Good
Tue
15 Sep
69
Good
Wed
16 Sep
48
Excellent
Thu
17 Sep
47
Excellent
Fri
18 Sep
43
Excellent
Air quality in the last 12 months (Gulou)
|
2026/08
|
39
|
38
|
43
|
23
|
26
|
26
|
30
|
24
|
16
|
18
|
34
|
34
|
33
|
31
|
26
|
26
|
20
|
16
|
14
|
14
|
17
|
24
|
17
|
15
|
15
|
20
|
18
|
25
|
21
|
19
|
15
|
|
2026/07
|
21
|
24
|
28
|
23
|
23
|
22
|
25
|
29
|
36
|
21
|
17
|
27
|
23
|
19
|
20
|
23
|
25
|
25
|
29
|
26
|
34
|
48
|
51
|
30
|
19
|
26
|
21
|
23
|
23
|
24
|
35
|
|
2026/06
|
48
|
65
|
60
|
35
|
29
|
46
|
42
|
24
|
27
|
27
|
31
|
35
|
27
|
26
|
21
|
20
|
20
|
20
|
21
|
28
|
36
|
41
|
41
|
29
|
24
|
20
|
27
|
33
|
36
|
21
|
|
|
2026/05
|
36
|
42
|
38
|
26
|
29
|
30
|
35
|
33
|
27
|
26
|
33
|
38
|
31
|
21
|
23
|
27
|
29
|
31
|
37
|
39
|
29
|
26
|
30
|
41
|
44
|
42
|
41
|
27
|
37
|
51
|
44
|
|
2026/04
|
29
|
34
|
29
|
27
|
34
|
44
|
35
|
39
|
40
|
48
|
38
|
45
|
35
|
51
|
31
|
37
|
37
|
35
|
42
|
48
|
32
|
32
|
21
|
23
|
40
|
44
|
48
|
61
|
30
|
22
|
|
|
2026/03
|
23
|
26
|
26
|
29
|
19
|
32
|
39
|
42
|
38
|
39
|
41
|
42
|
40
|
37
|
35
|
37
|
43
|
52
|
25
|
41
|
35
|
45
|
39
|
28
|
43
|
32
|
32
|
35
|
45
|
55
|
41
|
|
2026/02
|
22
|
43
|
52
|
42
|
44
|
54
|
14
|
34
|
36
|
36
|
45
|
53
|
49
|
54
|
57
|
38
|
48
|
43
|
48
|
47
|
52
|
49
|
76
|
63
|
22
|
24
|
20
|
17
|
|||
|
2026/01
|
32
|
21
|
30
|
37
|
40
|
27
|
44
|
47
|
54
|
49
|
57
|
60
|
50
|
49
|
46
|
51
|
55
|
39
|
40
|
20
|
28
|
42
|
43
|
44
|
41
|
38
|
26
|
26
|
39
|
27
|
18
|
|
2025/12
|
39
|
48
|
55
|
44
|
35
|
36
|
39
|
43
|
53
|
40
|
39
|
59
|
40
|
32
|
46
|
42
|
43
|
73
|
58
|
49
|
74
|
33
|
40
|
47
|
20
|
31
|
35
|
32
|
34
|
39
|
41
|
|
2025/11
|
25
|
43
|
51
|
13
|
15
|
26
|
37
|
39
|
28
|
35
|
31
|
11
|
13
|
30
|
46
|
43
|
34
|
21
|
25
|
33
|
35
|
43
|
46
|
45
|
48
|
84
|
61
|
85
|
76
|
57
|
|
|
2025/10
|
28
|
20
|
22
|
27
|
33
|
37
|
25
|
28
|
29
|
32
|
32
|
30
|
40
|
32
|
21
|
25
|
35
|
28
|
19
|
17
|
13
|
16
|
26
|
26
|
30
|
43
|
40
|
25
|
28
|
36
|
29
|
|
2025/09
|
32
|
26
|
27
|
35
|
29
|
16
|
21
|
21
|
21
|
31
|
23
|
36
|
42
|
32
|
23
|
15
|
16
|
15
|
15
|
19
|
17
|
22
|
17
|
23
|
19
|
18
|
20
|
23
|
28
|
35
|
|
|
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