Air Quality
Excellent
No health implications.
33
PM2.5
46
PM10
71
O3
0.4
CO
4
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Jun
64
Good
Tue
3 Jun
49
Excellent
Wed
4 Jun
59
Good
Thu
5 Jun
75
Good
Fri
6 Jun
74
Good
Sat
7 Jun
38
Excellent
Sun
8 Jun
37
Excellent
Air quality in the last 12 months (Gulou)
|
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
|
|
|
2024/05
|
18
|
20
|
29
|
34
|
37
|
31
|
43
|
48
|
32
|
30
|
47
|
44
|
21
|
28
|
35
|
34
|
27
|
28
|
25
|
21
|
8
|
13
|
30
|
40
|
30
|
31
|
16
|
17
|
25
|
40
|
42
|
|
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