Air Quality
Excellent
No health implications.
3
PM2.5
15
PM10
88
O3
0.3
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Sep
44
Excellent
Fri
19 Sep
41
Excellent
Sat
20 Sep
50
Excellent
Sun
21 Sep
43
Excellent
Mon
22 Sep
51
Good
Tue
23 Sep
63
Good
Wed
24 Sep
16
Excellent
Air quality in the last 12 months (Qinghemen)
|
2025/08
|
36
|
35
|
28
|
18
|
23
|
13
|
21
|
24
|
23
|
21
|
35
|
38
|
22
|
29
|
39
|
27
|
19
|
35
|
50
|
34
|
40
|
21
|
37
|
19
|
22
|
20
|
34
|
13
|
28
|
41
|
41
|
|
2025/07
|
38
|
33
|
17
|
30
|
41
|
22
|
32
|
41
|
29
|
33
|
42
|
36
|
18
|
23
|
28
|
21
|
12
|
18
|
31
|
18
|
25
|
35
|
25
|
25
|
35
|
35
|
42
|
30
|
23
|
17
|
28
|
|
2025/06
|
25
|
52
|
40
|
18
|
41
|
28
|
18
|
46
|
30
|
18
|
35
|
51
|
37
|
40
|
30
|
21
|
23
|
43
|
30
|
21
|
22
|
32
|
47
|
48
|
47
|
49
|
40
|
23
|
41
|
28
|
|
|
2025/05
|
38
|
38
|
42
|
26
|
33
|
39
|
50
|
75
|
32
|
40
|
65
|
78
|
67
|
59
|
64
|
59
|
33
|
32
|
58
|
67
|
85
|
95
|
32
|
50
|
37
|
58
|
67
|
59
|
49
|
70
|
52
|
|
2025/04
|
90
|
35
|
65
|
57
|
41
|
54
|
90
|
40
|
43
|
60
|
71
|
44
|
17
|
22
|
46
|
68
|
67
|
22
|
29
|
52
|
35
|
22
|
53
|
65
|
43
|
71
|
36
|
45
|
75
|
44
|
|
|
2025/03
|
144
|
41
|
40
|
68
|
114
|
57
|
93
|
85
|
199
|
132
|
113
|
104
|
64
|
44
|
45
|
46
|
60
|
33
|
62
|
94
|
67
|
83
|
153
|
64
|
83
|
119
|
57
|
34
|
27
|
33
|
65
|
|
2025/02
|
75
|
77
|
39
|
31
|
47
|
66
|
64
|
44
|
49
|
92
|
106
|
47
|
88
|
89
|
121
|
53
|
30
|
32
|
42
|
46
|
41
|
42
|
44
|
82
|
79
|
79
|
140
|
212
|
|||
|
2025/01
|
47
|
40
|
71
|
95
|
82
|
67
|
41
|
38
|
35
|
54
|
76
|
90
|
99
|
47
|
44
|
68
|
97
|
134
|
59
|
80
|
59
|
68
|
122
|
124
|
93
|
96
|
57
|
46
|
130
|
49
|
65
|
|
2024/12
|
75
|
28
|
51
|
49
|
64
|
35
|
42
|
55
|
101
|
53
|
55
|
86
|
61
|
50
|
34
|
63
|
34
|
54
|
68
|
63
|
38
|
62
|
48
|
79
|
99
|
38
|
36
|
43
|
92
|
87
|
57
|
|
2024/11
|
65
|
54
|
56
|
31
|
49
|
54
|
99
|
131
|
74
|
44
|
60
|
67
|
66
|
39
|
53
|
27
|
27
|
30
|
73
|
83
|
66
|
43
|
84
|
156
|
74
|
30
|
47
|
52
|
68
|
85
|
|
|
2024/10
|
26
|
28
|
33
|
48
|
62
|
28
|
34
|
37
|
57
|
30
|
44
|
43
|
60
|
43
|
25
|
49
|
59
|
40
|
30
|
42
|
41
|
28
|
31
|
48
|
78
|
48
|
31
|
72
|
84
|
37
|
76
|
|
2024/09
|
20
|
19
|
32
|
30
|
17
|
30
|
27
|
33
|
39
|
25
|
41
|
37
|
37
|
14
|
32
|
39
|
30
|
29
|
46
|
9
|
16
|
24
|
35
|
48
|
38
|
39
|
44
|
50
|
38
|
15
|
|
|
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