Air Quality
Excellent
No health implications.
4
PM2.5
16
PM10
36
O3
0.4
CO
4
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jun
54
Good
Mon
16 Jun
103
Light
Tue
17 Jun
111
Light
Wed
18 Jun
110
Light
Thu
19 Jun
112
Light
Fri
20 Jun
39
Excellent
Sat
21 Jun
34
Excellent
Air quality in the last 12 months (Gulou)
|
2025/05
|
56
|
63
|
52
|
39
|
38
|
93
|
72
|
46
|
25
|
37
|
43
|
53
|
48
|
57
|
74
|
33
|
63
|
79
|
69
|
52
|
29
|
48
|
39
|
52
|
54
|
53
|
46
|
47
|
52
|
50
|
55
|
|
2025/04
|
46
|
61
|
33
|
61
|
79
|
66
|
66
|
66
|
83
|
79
|
77
|
225
|
105
|
84
|
50
|
59
|
69
|
69
|
80
|
54
|
58
|
62
|
63
|
74
|
67
|
56
|
46
|
58
|
58
|
60
|
|
|
2025/03
|
56
|
58
|
20
|
32
|
50
|
49
|
59
|
78
|
71
|
55
|
84
|
113
|
64
|
38
|
30
|
41
|
34
|
40
|
50
|
51
|
44
|
54
|
63
|
72
|
66
|
63
|
116
|
58
|
112
|
74
|
29
|
|
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
|
|
|
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