Air Quality
Excellent
No health implications.
3
PM2.5
12
PM10
108
O3
0.4
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
58
Good
Thu
21 May
92
Good
Fri
22 May
66
Good
Sat
23 May
58
Good
Sun
24 May
93
Good
Mon
25 May
56
Good
Tue
26 May
26
Excellent
Air quality in the last 12 months (Erdao)
|
2026/04
|
81
|
115
|
250
|
42
|
43
|
35
|
30
|
123
|
63
|
62
|
31
|
69
|
35
|
49
|
59
|
71
|
46
|
47
|
86
|
184
|
58
|
28
|
42
|
90
|
59
|
31
|
35
|
33
|
35
|
37
|
|
|
2026/03
|
81
|
103
|
116
|
47
|
59
|
37
|
48
|
73
|
57
|
73
|
62
|
83
|
84
|
50
|
169
|
125
|
219
|
59
|
62
|
158
|
202
|
165
|
137
|
102
|
136
|
154
|
70
|
123
|
106
|
57
|
135
|
|
2026/02
|
66
|
70
|
70
|
100
|
81
|
40
|
51
|
50
|
59
|
84
|
64
|
109
|
140
|
95
|
39
|
48
|
99
|
45
|
49
|
66
|
77
|
214
|
72
|
61
|
93
|
46
|
47
|
49
|
|||
|
2026/01
|
54
|
61
|
92
|
94
|
45
|
46
|
33
|
50
|
61
|
64
|
52
|
48
|
34
|
51
|
50
|
79
|
47
|
49
|
39
|
49
|
47
|
42
|
40
|
53
|
65
|
76
|
63
|
66
|
70
|
82
|
79
|
|
2025/12
|
68
|
33
|
21
|
40
|
41
|
51
|
59
|
35
|
64
|
84
|
32
|
57
|
86
|
104
|
71
|
57
|
72
|
72
|
63
|
35
|
39
|
43
|
59
|
65
|
29
|
56
|
59
|
95
|
29
|
26
|
39
|
|
2025/11
|
82
|
35
|
33
|
88
|
152
|
86
|
150
|
179
|
47
|
69
|
150
|
100
|
37
|
94
|
137
|
63
|
140
|
52
|
50
|
39
|
67
|
110
|
118
|
218
|
150
|
175
|
40
|
52
|
48
|
53
|
|
|
2025/10
|
48
|
64
|
56
|
46
|
29
|
33
|
44
|
31
|
52
|
55
|
55
|
46
|
131
|
147
|
56
|
58
|
74
|
33
|
28
|
26
|
40
|
54
|
50
|
61
|
87
|
35
|
34
|
64
|
213
|
37
|
49
|
|
2025/09
|
31
|
41
|
39
|
41
|
42
|
22
|
29
|
29
|
29
|
35
|
43
|
46
|
48
|
45
|
17
|
36
|
29
|
38
|
29
|
46
|
42
|
33
|
33
|
23
|
25
|
32
|
38
|
34
|
46
|
50
|
|
|
2025/08
|
30
|
35
|
21
|
26
|
26
|
21
|
23
|
30
|
25
|
25
|
28
|
40
|
33
|
29
|
44
|
33
|
22
|
33
|
33
|
33
|
26
|
17
|
33
|
26
|
28
|
25
|
30
|
22
|
25
|
42
|
40
|
|
2025/07
|
22
|
26
|
20
|
16
|
24
|
19
|
34
|
40
|
45
|
44
|
40
|
48
|
21
|
26
|
26
|
19
|
30
|
30
|
30
|
18
|
22
|
31
|
24
|
21
|
26
|
36
|
16
|
29
|
19
|
17
|
21
|
|
2025/06
|
27
|
47
|
24
|
24
|
32
|
32
|
24
|
40
|
23
|
14
|
19
|
28
|
39
|
37
|
37
|
22
|
32
|
40
|
29
|
18
|
19
|
27
|
45
|
50
|
58
|
41
|
55
|
41
|
42
|
26
|
|
|
2025/05
|
27
|
32
|
25
|
25
|
41
|
31
|
46
|
47
|
40
|
38
|
51
|
61
|
56
|
51
|
53
|
29
|
24
|
37
|
32
|
36
|
44
|
48
|
42
|
33
|
34
|
39
|
54
|
56
|
54
|
61
|
57
|
|
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