Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
PM2.5
75
*
PM10
37
O3
0.5
CO
4
SO2
89
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Apr
88
Good
Mon
28 Apr
97
Good
Tue
29 Apr
109
Light
Wed
30 Apr
117
Light
Thu
1 May
89
Good
Fri
2 May
124
Light
Sat
3 May
39
Excellent
Air quality in the last 12 months (Gulou)
|
2025/02
|
35
|
60
|
81
|
73
|
50
|
40
|
61
|
32
|
39
|
52
|
54
|
100
|
65
|
69
|
96
|
92
|
68
|
50
|
61
|
51
|
44
|
63
|
74
|
66
|
84
|
107
|
91
|
67
|
|||
|
2025/01
|
76
|
82
|
88
|
78
|
96
|
81
|
47
|
61
|
36
|
46
|
60
|
64
|
76
|
96
|
68
|
58
|
65
|
77
|
101
|
104
|
121
|
132
|
71
|
50
|
28
|
64
|
52
|
43
|
65
|
54
|
70
|
|
2024/12
|
64
|
75
|
72
|
44
|
76
|
124
|
138
|
37
|
48
|
50
|
50
|
61
|
87
|
64
|
59
|
59
|
74
|
67
|
42
|
55
|
84
|
59
|
58
|
64
|
99
|
114
|
56
|
69
|
66
|
69
|
102
|
|
2024/11
|
25
|
54
|
55
|
62
|
46
|
41
|
28
|
25
|
43
|
37
|
53
|
52
|
63
|
58
|
83
|
45
|
31
|
32
|
29
|
31
|
51
|
75
|
33
|
34
|
31
|
39
|
67
|
62
|
44
|
58
|
|
|
2024/10
|
24
|
35
|
24
|
26
|
27
|
14
|
12
|
31
|
35
|
54
|
62
|
70
|
44
|
42
|
62
|
62
|
36
|
23
|
29
|
34
|
31
|
35
|
55
|
45
|
41
|
27
|
32
|
86
|
45
|
38
|
36
|
|
2024/09
|
42
|
41
|
27
|
31
|
31
|
41
|
41
|
44
|
23
|
30
|
12
|
18
|
30
|
32
|
25
|
18
|
16
|
21
|
23
|
13
|
25
|
28
|
28
|
34
|
40
|
42
|
35
|
31
|
41
|
41
|
|
|
2024/08
|
19
|
20
|
27
|
31
|
27
|
35
|
40
|
37
|
37
|
37
|
42
|
49
|
34
|
30
|
22
|
28
|
33
|
31
|
20
|
15
|
26
|
38
|
41
|
42
|
40
|
40
|
24
|
18
|
25
|
30
|
43
|
|
2024/07
|
9
|
15
|
27
|
19
|
21
|
21
|
24
|
22
|
24
|
27
|
47
|
14
|
13
|
14
|
22
|
41
|
24
|
23
|
26
|
22
|
19
|
25
|
34
|
24
|
24
|
22
|
13
|
14
|
19
|
31
|
25
|
|
2024/06
|
38
|
28
|
38
|
35
|
41
|
19
|
25
|
38
|
40
|
23
|
17
|
41
|
54
|
50
|
50
|
41
|
29
|
35
|
18
|
28
|
34
|
14
|
26
|
31
|
39
|
41
|
28
|
13
|
8
|
9
|
|
|
2024/05
|
39
|
33
|
37
|
36
|
33
|
44
|
59
|
44
|
34
|
47
|
44
|
100
|
79
|
61
|
66
|
40
|
50
|
53
|
33
|
44
|
36
|
32
|
43
|
47
|
38
|
43
|
26
|
26
|
32
|
27
|
50
|
|
2024/04
|
84
|
34
|
22
|
52
|
47
|
49
|
66
|
38
|
55
|
60
|
59
|
82
|
46
|
49
|
53
|
64
|
69
|
58
|
60
|
46
|
38
|
51
|
71
|
69
|
53
|
51
|
55
|
30
|
33
|
48
|
|
|
2024/03
|
47
|
56
|
61
|
53
|
36
|
77
|
77
|
79
|
76
|
87
|
66
|
86
|
55
|
75
|
96
|
78
|
129
|
64
|
81
|
98
|
81
|
65
|
89
|
59
|
28
|
39
|
71
|
69
|
61
|
58
|
90
|
|
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