Air Quality
Excellent
No health implications.
11
PM2.5
16
PM10
29
O3
0.7
CO
3
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jan
40
Excellent
Thu
29 Jan
47
Excellent
Fri
30 Jan
43
Excellent
Sat
31 Jan
41
Excellent
Sun
1 Feb
44
Excellent
Mon
2 Feb
50
Excellent
Tue
3 Feb
18
Excellent
Air quality in the last 12 months (Gulou)
|
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
|
|
|
2025/08
|
34
|
25
|
26
|
23
|
18
|
31
|
40
|
43
|
43
|
30
|
31
|
26
|
20
|
18
|
12
|
13
|
15
|
20
|
30
|
25
|
25
|
27
|
35
|
30
|
15
|
15
|
13
|
16
|
16
|
15
|
23
|
|
2025/07
|
16
|
18
|
25
|
23
|
21
|
16
|
19
|
27
|
23
|
17
|
14
|
22
|
29
|
22
|
32
|
36
|
43
|
18
|
16
|
14
|
10
|
14
|
17
|
16
|
21
|
17
|
14
|
21
|
20
|
25
|
32
|
|
2025/06
|
42
|
46
|
14
|
27
|
34
|
35
|
28
|
35
|
25
|
22
|
26
|
14
|
14
|
23
|
22
|
23
|
36
|
34
|
18
|
21
|
22
|
25
|
33
|
33
|
32
|
29
|
29
|
31
|
31
|
20
|
|
|
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
|
|
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