Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
51
O3
0.6
CO
3
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jan
38
Excellent
Thu
29 Jan
36
Excellent
Fri
30 Jan
41
Excellent
Sat
31 Jan
48
Excellent
Sun
1 Feb
43
Excellent
Mon
2 Feb
16
Excellent
Tue
3 Feb
18
Excellent
Gulou Air quality rank
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