Air Quality
Excellent
No health implications.
3
PM2.5
14
PM10
34
O3
0.2
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jun
54
Good
Sun
29 Jun
51
Good
Mon
30 Jun
55
Good
Tue
1 Jul
57
Good
Wed
2 Jul
63
Good
Thu
3 Jul
70
Good
Fri
4 Jul
44
Excellent
Air quality in the last 12 months (Yidu)
|
2025/05
|
57
|
71
|
60
|
43
|
43
|
170
|
145
|
32
|
31
|
54
|
48
|
56
|
70
|
55
|
47
|
40
|
57
|
98
|
68
|
52
|
49
|
25
|
46
|
62
|
66
|
64
|
61
|
42
|
47
|
33
|
21
|
|
2025/04
|
59
|
63
|
66
|
58
|
66
|
70
|
66
|
61
|
58
|
47
|
44
|
268
|
167
|
141
|
88
|
80
|
76
|
72
|
61
|
63
|
58
|
68
|
75
|
64
|
68
|
73
|
54
|
56
|
54
|
33
|
|
|
2025/03
|
147
|
104
|
27
|
41
|
48
|
45
|
80
|
89
|
66
|
59
|
83
|
74
|
62
|
57
|
38
|
47
|
53
|
46
|
45
|
46
|
50
|
58
|
54
|
56
|
49
|
60
|
113
|
55
|
68
|
63
|
64
|
|
2025/02
|
56
|
58
|
65
|
56
|
57
|
56
|
93
|
64
|
60
|
69
|
94
|
102
|
91
|
78
|
76
|
69
|
80
|
54
|
77
|
100
|
95
|
77
|
75
|
86
|
102
|
93
|
70
|
77
|
|||
|
2025/01
|
136
|
132
|
148
|
191
|
65
|
82
|
69
|
90
|
84
|
79
|
97
|
85
|
134
|
135
|
73
|
80
|
93
|
120
|
120
|
121
|
164
|
209
|
229
|
127
|
26
|
32
|
46
|
69
|
177
|
132
|
120
|
|
2024/12
|
74
|
94
|
86
|
60
|
41
|
55
|
50
|
63
|
78
|
61
|
51
|
83
|
84
|
49
|
70
|
80
|
91
|
96
|
60
|
93
|
88
|
60
|
61
|
82
|
136
|
118
|
141
|
81
|
104
|
161
|
140
|
|
2024/11
|
70
|
72
|
82
|
67
|
69
|
72
|
71
|
82
|
94
|
65
|
73
|
87
|
70
|
67
|
68
|
44
|
15
|
17
|
25
|
36
|
42
|
45
|
63
|
78
|
35
|
42
|
47
|
46
|
49
|
57
|
|
|
2024/10
|
33
|
51
|
55
|
49
|
60
|
53
|
34
|
51
|
59
|
67
|
70
|
64
|
56
|
59
|
64
|
57
|
32
|
28
|
35
|
46
|
38
|
50
|
48
|
51
|
54
|
52
|
55
|
66
|
94
|
83
|
65
|
|
2024/09
|
44
|
44
|
42
|
55
|
53
|
35
|
37
|
41
|
43
|
41
|
39
|
27
|
33
|
57
|
33
|
35
|
28
|
29
|
24
|
27
|
38
|
41
|
47
|
55
|
64
|
71
|
78
|
88
|
80
|
44
|
|
|
2024/08
|
22
|
26
|
24
|
22
|
26
|
20
|
23
|
28
|
34
|
39
|
76
|
55
|
34
|
38
|
40
|
34
|
23
|
29
|
20
|
38
|
33
|
31
|
34
|
36
|
36
|
42
|
22
|
22
|
30
|
40
|
48
|
|
2024/07
|
27
|
26
|
34
|
24
|
24
|
20
|
19
|
22
|
25
|
22
|
33
|
36
|
21
|
22
|
26
|
28
|
25
|
23
|
16
|
21
|
19
|
23
|
27
|
33
|
29
|
25
|
19
|
14
|
15
|
19
|
17
|
|
2024/06
|
46
|
45
|
46
|
29
|
25
|
50
|
49
|
48
|
36
|
37
|
42
|
29
|
27
|
40
|
42
|
45
|
32
|
34
|
34
|
45
|
47
|
17
|
30
|
33
|
37
|
40
|
42
|
20
|
28
|
32
|
|
|
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