Air Quality
Excellent
No health implications.
24
PM2.5
26
PM10
28
O3
0.5
CO
4
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Apr
54
Good
Wed
8 Apr
56
Good
Thu
9 Apr
67
Good
Fri
10 Apr
69
Good
Sat
11 Apr
45
Excellent
Sun
12 Apr
31
Excellent
Mon
13 Apr
40
Excellent
Gulou Air quality rank
Air quality in the last 12 months (Gulou)
|
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
|
|
|
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
|
|
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