Air Quality
Excellent
No health implications.
8
PM2.5
28
PM10
82
O3
0.2
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jul
56
Good
Wed
2 Jul
74
Good
Thu
3 Jul
73
Good
Fri
4 Jul
81
Good
Sat
5 Jul
83
Good
Sun
6 Jul
79
Good
Mon
7 Jul
19
Excellent
Yidu Air quality rank
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