Air Quality
Excellent
No health implications.
7
PM2.5
16
PM10
92
O3
0.2
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jun
41
Excellent
Mon
23 Jun
54
Good
Tue
24 Jun
52
Good
Wed
25 Jun
57
Good
Thu
26 Jun
62
Good
Fri
27 Jun
60
Good
Sat
28 Jun
24
Excellent
Air quality in the last 12 months (Gulou)
|
2025/05
|
49
|
49
|
60
|
53
|
43
|
50
|
56
|
49
|
40
|
28
|
35
|
36
|
36
|
34
|
42
|
38
|
34
|
29
|
31
|
42
|
31
|
23
|
48
|
11
|
53
|
43
|
41
|
18
|
14
|
28
|
42
|
|
2025/04
|
17
|
37
|
45
|
46
|
43
|
48
|
60
|
60
|
71
|
47
|
49
|
49
|
107
|
102
|
85
|
68
|
70
|
60
|
57
|
21
|
47
|
63
|
36
|
24
|
13
|
21
|
34
|
46
|
45
|
44
|
|
|
2025/03
|
72
|
61
|
44
|
31
|
10
|
13
|
35
|
36
|
39
|
34
|
49
|
54
|
40
|
20
|
23
|
15
|
47
|
41
|
47
|
50
|
43
|
47
|
65
|
72
|
79
|
74
|
52
|
51
|
25
|
10
|
9
|
|
2025/02
|
36
|
12
|
14
|
54
|
59
|
31
|
16
|
53
|
30
|
37
|
49
|
90
|
77
|
85
|
65
|
79
|
84
|
45
|
37
|
10
|
12
|
30
|
12
|
63
|
75
|
63
|
66
|
56
|
|||
|
2025/01
|
70
|
53
|
42
|
40
|
40
|
52
|
68
|
58
|
59
|
46
|
32
|
44
|
50
|
51
|
77
|
57
|
51
|
47
|
41
|
47
|
71
|
56
|
54
|
22
|
28
|
31
|
17
|
40
|
120
|
43
|
36
|
|
2024/12
|
41
|
47
|
32
|
46
|
45
|
37
|
23
|
63
|
36
|
41
|
34
|
17
|
19
|
53
|
75
|
57
|
47
|
47
|
45
|
24
|
40
|
61
|
34
|
25
|
34
|
59
|
74
|
86
|
44
|
43
|
56
|
|
2024/11
|
12
|
20
|
39
|
45
|
51
|
42
|
35
|
35
|
43
|
43
|
23
|
33
|
32
|
34
|
21
|
14
|
19
|
19
|
18
|
17
|
19
|
28
|
34
|
31
|
18
|
18
|
32
|
30
|
40
|
43
|
|
|
2024/10
|
11
|
9
|
20
|
16
|
16
|
24
|
16
|
13
|
29
|
43
|
45
|
40
|
33
|
38
|
33
|
27
|
38
|
39
|
29
|
22
|
32
|
29
|
32
|
38
|
27
|
23
|
26
|
14
|
40
|
47
|
18
|
|
2024/09
|
40
|
33
|
16
|
15
|
16
|
8
|
8
|
8
|
15
|
35
|
48
|
40
|
9
|
11
|
20
|
21
|
17
|
25
|
20
|
23
|
24
|
8
|
11
|
16
|
20
|
12
|
20
|
26
|
29
|
15
|
|
|
2024/08
|
27
|
36
|
44
|
39
|
39
|
30
|
26
|
34
|
26
|
38
|
37
|
42
|
29
|
19
|
17
|
17
|
16
|
18
|
15
|
9
|
17
|
22
|
27
|
38
|
28
|
31
|
45
|
39
|
26
|
38
|
43
|
|
2024/07
|
25
|
26
|
27
|
26
|
37
|
30
|
23
|
24
|
23
|
27
|
30
|
30
|
33
|
41
|
30
|
24
|
30
|
24
|
31
|
39
|
22
|
14
|
17
|
12
|
5
|
10
|
12
|
20
|
15
|
18
|
18
|
|
2024/06
|
9
|
6
|
18
|
31
|
26
|
18
|
30
|
31
|
25
|
35
|
22
|
21
|
19
|
23
|
22
|
16
|
21
|
20
|
25
|
21
|
22
|
31
|
35
|
23
|
30
|
30
|
29
|
25
|
19
|
22
|
|
|
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