Air Quality
Excellent
No health implications.
5
PM2.5
23
PM10
92
O3
0.4
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Mar
57
Good
Mon
31 Mar
49
Excellent
Tue
1 Apr
49
Excellent
Wed
2 Apr
59
Good
Thu
3 Apr
69
Good
Fri
4 Apr
56
Good
Sat
5 Apr
20
Excellent
Air quality in the last 12 months (Qinghe)
|
2025/02
|
58
|
36
|
25
|
27
|
23
|
17
|
17
|
20
|
30
|
54
|
40
|
28
|
31
|
29
|
30
|
29
|
50
|
48
|
32
|
29
|
47
|
45
|
25
|
23
|
39
|
60
|
84
|
79
|
|||
|
2025/01
|
58
|
54
|
56
|
58
|
50
|
61
|
51
|
52
|
59
|
49
|
46
|
42
|
32
|
26
|
34
|
33
|
47
|
48
|
53
|
60
|
53
|
44
|
47
|
42
|
29
|
18
|
25
|
41
|
90
|
62
|
61
|
|
2024/12
|
60
|
60
|
49
|
39
|
36
|
32
|
38
|
43
|
50
|
46
|
48
|
36
|
38
|
35
|
35
|
48
|
47
|
50
|
54
|
54
|
50
|
50
|
55
|
42
|
43
|
32
|
34
|
43
|
53
|
58
|
63
|
|
2024/11
|
26
|
30
|
23
|
33
|
38
|
44
|
38
|
43
|
27
|
21
|
22
|
26
|
27
|
38
|
30
|
21
|
28
|
31
|
32
|
35
|
40
|
62
|
36
|
24
|
19
|
26
|
32
|
32
|
35
|
43
|
|
|
2024/10
|
26
|
33
|
49
|
49
|
37
|
31
|
35
|
40
|
37
|
37
|
40
|
47
|
40
|
31
|
42
|
53
|
50
|
50
|
32
|
27
|
22
|
27
|
28
|
32
|
27
|
25
|
32
|
35
|
25
|
25
|
22
|
|
2024/09
|
35
|
35
|
38
|
28
|
24
|
27
|
37
|
102
|
24
|
33
|
31
|
18
|
27
|
25
|
31
|
25
|
28
|
40
|
44
|
31
|
39
|
34
|
46
|
29
|
33
|
35
|
36
|
87
|
31
|
28
|
|
|
2024/08
|
23
|
18
|
27
|
26
|
30
|
45
|
29
|
29
|
30
|
31
|
40
|
32
|
21
|
20
|
27
|
26
|
35
|
36
|
44
|
44
|
21
|
22
|
25
|
39
|
38
|
32
|
26
|
29
|
34
|
62
|
36
|
|
2024/07
|
37
|
25
|
41
|
19
|
21
|
25
|
34
|
35
|
34
|
26
|
23
|
18
|
23
|
21
|
28
|
25
|
27
|
28
|
50
|
30
|
15
|
20
|
15
|
18
|
28
|
25
|
36
|
28
|
29
|
29
|
39
|
|
2024/06
|
36
|
27
|
30
|
29
|
27
|
17
|
21
|
29
|
31
|
24
|
33
|
42
|
32
|
39
|
34
|
31
|
28
|
24
|
38
|
41
|
31
|
39
|
42
|
36
|
43
|
51
|
53
|
33
|
36
|
31
|
|
|
2024/05
|
27
|
25
|
34
|
51
|
38
|
49
|
56
|
43
|
32
|
25
|
25
|
48
|
60
|
173
|
243
|
245
|
128
|
62
|
58
|
56
|
55
|
94
|
32
|
44
|
33
|
47
|
34
|
18
|
23
|
29
|
34
|
|
2024/04
|
126
|
22
|
27
|
30
|
25
|
28
|
24
|
28
|
30
|
45
|
20
|
61
|
459
|
204
|
111
|
74
|
83
|
53
|
29
|
43
|
56
|
101
|
93
|
70
|
41
|
50
|
76
|
34
|
25
|
30
|
|
|
2024/03
|
17
|
26
|
49
|
65
|
24
|
17
|
19
|
50
|
53
|
56
|
63
|
65
|
53
|
85
|
108
|
28
|
27
|
18
|
48
|
75
|
79
|
46
|
38
|
20
|
20
|
21
|
33
|
33
|
32
|
29
|
103
|
|
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