Air Quality
Excellent
No health implications.
12
PM2.5
45
PM10
57
O3
0.3
CO
5
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Dec
125
Light
Sat
20 Dec
85
Good
Sun
21 Dec
93
Good
Mon
22 Dec
92
Good
Tue
23 Dec
87
Good
Wed
24 Dec
65
Good
Thu
25 Dec
46
Excellent
Air quality in the last 12 months (Gujiao)
|
2025/11
|
34
|
35
|
82
|
93
|
107
|
134
|
47
|
61
|
62
|
67
|
74
|
59
|
49
|
62
|
68
|
43
|
30
|
38
|
59
|
63
|
60
|
60
|
78
|
120
|
78
|
180
|
128
|
110
|
91
|
79
|
|
|
2025/10
|
49
|
29
|
37
|
45
|
67
|
20
|
34
|
16
|
8
|
14
|
51
|
22
|
34
|
46
|
55
|
62
|
30
|
41
|
45
|
48
|
64
|
88
|
83
|
92
|
111
|
45
|
41
|
65
|
93
|
108
|
58
|
|
2025/09
|
48
|
47
|
32
|
37
|
37
|
59
|
59
|
49
|
53
|
55
|
48
|
32
|
52
|
53
|
63
|
25
|
22
|
18
|
22
|
44
|
31
|
23
|
48
|
47
|
49
|
41
|
43
|
51
|
74
|
62
|
|
|
2025/08
|
55
|
54
|
51
|
43
|
36
|
32
|
39
|
50
|
20
|
29
|
46
|
49
|
43
|
53
|
47
|
24
|
31
|
45
|
42
|
27
|
27
|
31
|
16
|
28
|
35
|
25
|
36
|
26
|
31
|
43
|
54
|
|
2025/07
|
32
|
34
|
30
|
25
|
16
|
27
|
36
|
39
|
43
|
43
|
58
|
59
|
53
|
48
|
62
|
32
|
26
|
36
|
54
|
45
|
29
|
37
|
37
|
27
|
37
|
38
|
34
|
51
|
22
|
33
|
51
|
|
2025/06
|
56
|
24
|
30
|
29
|
44
|
43
|
57
|
52
|
51
|
39
|
52
|
62
|
53
|
36
|
19
|
23
|
33
|
42
|
39
|
31
|
31
|
39
|
42
|
44
|
49
|
40
|
45
|
33
|
24
|
48
|
|
|
2025/05
|
57
|
72
|
30
|
58
|
131
|
65
|
73
|
72
|
32
|
40
|
38
|
53
|
74
|
38
|
42
|
93
|
161
|
53
|
69
|
65
|
77
|
78
|
33
|
47
|
48
|
36
|
39
|
54
|
59
|
64
|
49
|
|
2025/04
|
51
|
39
|
87
|
110
|
50
|
68
|
92
|
80
|
63
|
48
|
173
|
127
|
59
|
25
|
51
|
139
|
213
|
86
|
72
|
78
|
80
|
73
|
70
|
41
|
54
|
66
|
46
|
40
|
56
|
105
|
|
|
2025/03
|
96
|
79
|
36
|
63
|
80
|
40
|
87
|
66
|
78
|
95
|
117
|
171
|
91
|
98
|
51
|
22
|
28
|
34
|
40
|
40
|
48
|
64
|
134
|
328
|
400
|
183
|
210
|
122
|
35
|
39
|
38
|
|
2025/02
|
131
|
77
|
20
|
32
|
30
|
105
|
47
|
35
|
49
|
67
|
70
|
58
|
58
|
62
|
68
|
64
|
49
|
65
|
65
|
68
|
87
|
55
|
30
|
54
|
51
|
62
|
71
|
60
|
|||
|
2025/01
|
68
|
56
|
47
|
64
|
67
|
40
|
31
|
33
|
32
|
49
|
55
|
47
|
78
|
42
|
48
|
56
|
67
|
71
|
53
|
58
|
60
|
80
|
120
|
138
|
99
|
67
|
23
|
31
|
185
|
134
|
171
|
|
2024/12
|
59
|
53
|
56
|
46
|
32
|
34
|
33
|
40
|
61
|
57
|
110
|
118
|
74
|
49
|
55
|
57
|
53
|
40
|
62
|
56
|
35
|
51
|
60
|
83
|
79
|
60
|
40
|
48
|
64
|
76
|
72
|
|
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