Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
136
*
PM10
148
O3
0.3
CO
3
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
18 May
109
Light
Mon
19 May
113
Light
Tue
20 May
105
Light
Wed
21 May
111
Light
Thu
22 May
89
Good
Fri
23 May
73
Good
Sat
24 May
45
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