Air Quality
Excellent
No health implications.
3
PM2.5
16
PM10
30
O3
0.4
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Oct
42
Excellent
Fri
10 Oct
39
Excellent
Sat
11 Oct
38
Excellent
Sun
12 Oct
36
Excellent
Mon
13 Oct
40
Excellent
Tue
14 Oct
41
Excellent
Wed
15 Oct
42
Excellent
Air quality in the last 12 months (Gulou)
|
2025/08
|
43
|
30
|
43
|
44
|
48
|
31
|
32
|
29
|
22
|
30
|
33
|
24
|
33
|
33
|
37
|
31
|
34
|
40
|
44
|
29
|
30
|
37
|
36
|
25
|
36
|
42
|
39
|
35
|
36
|
35
|
24
|
|
2025/07
|
20
|
27
|
25
|
31
|
35
|
44
|
47
|
32
|
31
|
47
|
68
|
57
|
46
|
48
|
51
|
42
|
35
|
49
|
53
|
52
|
41
|
36
|
19
|
25
|
35
|
37
|
35
|
35
|
33
|
36
|
41
|
|
2025/06
|
52
|
59
|
65
|
76
|
66
|
62
|
84
|
85
|
63
|
63
|
55
|
53
|
55
|
55
|
56
|
52
|
54
|
41
|
33
|
32
|
50
|
42
|
45
|
47
|
59
|
23
|
36
|
31
|
20
|
30
|
|
|
2025/05
|
73
|
124
|
57
|
62
|
235
|
168
|
108
|
81
|
76
|
38
|
55
|
66
|
66
|
62
|
56
|
80
|
156
|
86
|
111
|
77
|
81
|
83
|
76
|
60
|
68
|
59
|
72
|
69
|
72
|
81
|
51
|
|
2025/04
|
72
|
59
|
64
|
85
|
84
|
89
|
90
|
94
|
94
|
121
|
90
|
279
|
113
|
58
|
64
|
149
|
123
|
108
|
40
|
62
|
57
|
68
|
106
|
96
|
87
|
75
|
101
|
75
|
66
|
125
|
|
|
2025/03
|
105
|
49
|
47
|
41
|
89
|
95
|
78
|
85
|
109
|
112
|
96
|
140
|
132
|
61
|
72
|
50
|
52
|
59
|
64
|
50
|
48
|
70
|
94
|
288
|
117
|
91
|
106
|
172
|
72
|
59
|
75
|
|
2025/02
|
82
|
136
|
107
|
74
|
55
|
61
|
115
|
63
|
81
|
80
|
131
|
126
|
69
|
83
|
77
|
70
|
74
|
79
|
63
|
70
|
94
|
92
|
79
|
69
|
78
|
94
|
126
|
134
|
|||
|
2025/01
|
141
|
96
|
122
|
188
|
97
|
70
|
66
|
55
|
58
|
92
|
81
|
62
|
108
|
126
|
63
|
65
|
96
|
124
|
100
|
165
|
232
|
133
|
82
|
135
|
126
|
83
|
44
|
73
|
275
|
178
|
93
|
|
2024/12
|
62
|
60
|
84
|
131
|
88
|
65
|
100
|
59
|
76
|
108
|
129
|
123
|
77
|
63
|
52
|
66
|
101
|
68
|
55
|
106
|
79
|
60
|
93
|
145
|
154
|
130
|
78
|
51
|
92
|
83
|
110
|
|
2024/11
|
72
|
79
|
116
|
74
|
54
|
94
|
77
|
64
|
63
|
99
|
164
|
156
|
187
|
69
|
88
|
79
|
50
|
54
|
41
|
77
|
96
|
146
|
91
|
60
|
44
|
48
|
78
|
53
|
47
|
74
|
|
|
2024/10
|
47
|
51
|
65
|
74
|
63
|
85
|
146
|
122
|
132
|
105
|
98
|
150
|
124
|
156
|
167
|
102
|
80
|
19
|
31
|
25
|
57
|
78
|
95
|
77
|
101
|
137
|
173
|
142
|
141
|
152
|
213
|
|
2024/09
|
53
|
26
|
42
|
52
|
43
|
29
|
57
|
63
|
57
|
45
|
23
|
31
|
29
|
39
|
37
|
44
|
50
|
37
|
46
|
50
|
15
|
33
|
58
|
65
|
93
|
128
|
125
|
65
|
63
|
14
|
|
|
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