Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
154
O3
0.3
CO
8
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
121
Light
Sun
22 Jun
138
Light
Mon
23 Jun
142
Light
Tue
24 Jun
142
Light
Wed
25 Jun
132
Light
Thu
26 Jun
122
Light
Fri
27 Jun
21
Excellent
Air quality in the last 12 months (Xiaodian)
|
2025/05
|
56
|
76
|
34
|
61
|
135
|
72
|
71
|
80
|
34
|
41
|
50
|
56
|
81
|
43
|
53
|
87
|
153
|
60
|
74
|
71
|
95
|
74
|
41
|
62
|
65
|
47
|
55
|
57
|
57
|
68
|
54
|
|
2025/04
|
71
|
40
|
95
|
111
|
56
|
86
|
112
|
87
|
66
|
62
|
176
|
142
|
63
|
32
|
68
|
117
|
235
|
99
|
93
|
77
|
75
|
61
|
86
|
41
|
70
|
73
|
50
|
51
|
70
|
112
|
|
|
2025/03
|
114
|
80
|
34
|
66
|
101
|
51
|
85
|
84
|
79
|
97
|
134
|
282
|
108
|
108
|
63
|
23
|
36
|
36
|
53
|
54
|
57
|
79
|
147
|
341
|
434
|
162
|
210
|
129
|
37
|
55
|
54
|
|
2025/02
|
161
|
108
|
22
|
28
|
33
|
109
|
46
|
35
|
58
|
78
|
87
|
64
|
85
|
79
|
84
|
67
|
57
|
62
|
73
|
77
|
114
|
77
|
29
|
67
|
62
|
76
|
84
|
83
|
|||
|
2025/01
|
143
|
62
|
59
|
95
|
79
|
48
|
42
|
35
|
40
|
59
|
60
|
50
|
85
|
44
|
49
|
60
|
81
|
85
|
64
|
88
|
86
|
73
|
114
|
110
|
99
|
64
|
23
|
45
|
234
|
171
|
172
|
|
2024/12
|
70
|
50
|
69
|
61
|
38
|
53
|
33
|
55
|
75
|
72
|
135
|
160
|
77
|
61
|
61
|
73
|
59
|
41
|
84
|
75
|
43
|
80
|
85
|
116
|
107
|
56
|
48
|
60
|
85
|
74
|
100
|
|
2024/11
|
80
|
138
|
102
|
27
|
66
|
74
|
107
|
125
|
149
|
157
|
97
|
125
|
78
|
92
|
104
|
59
|
52
|
71
|
76
|
71
|
84
|
72
|
96
|
144
|
34
|
45
|
58
|
50
|
50
|
79
|
|
|
2024/10
|
66
|
53
|
59
|
68
|
75
|
80
|
42
|
60
|
57
|
46
|
77
|
76
|
92
|
133
|
94
|
92
|
84
|
15
|
23
|
34
|
92
|
49
|
69
|
77
|
79
|
112
|
38
|
78
|
90
|
77
|
67
|
|
2024/09
|
37
|
29
|
50
|
47
|
16
|
37
|
58
|
61
|
56
|
16
|
21
|
33
|
49
|
41
|
42
|
59
|
62
|
47
|
37
|
41
|
18
|
35
|
62
|
70
|
102
|
85
|
82
|
79
|
42
|
20
|
|
|
2024/08
|
55
|
49
|
46
|
45
|
27
|
40
|
34
|
32
|
33
|
42
|
17
|
26
|
36
|
43
|
48
|
48
|
53
|
52
|
33
|
29
|
53
|
61
|
58
|
62
|
60
|
19
|
16
|
31
|
52
|
62
|
57
|
|
2024/07
|
63
|
31
|
57
|
60
|
73
|
60
|
55
|
55
|
54
|
59
|
59
|
53
|
68
|
63
|
69
|
47
|
29
|
36
|
52
|
41
|
46
|
60
|
57
|
50
|
33
|
37
|
44
|
47
|
43
|
28
|
35
|
|
2024/06
|
52
|
57
|
55
|
67
|
55
|
73
|
45
|
54
|
62
|
52
|
64
|
55
|
65
|
51
|
50
|
66
|
60
|
58
|
60
|
56
|
53
|
68
|
136
|
61
|
77
|
74
|
65
|
71
|
69
|
51
|
|
|
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