Air Quality
Excellent
No health implications.
15
PM2.5
44
PM10
59
O3
0.5
CO
12
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Feb
59
Good
Mon
2 Feb
63
Good
Tue
3 Feb
102
Light
Wed
4 Feb
99
Good
Thu
5 Feb
48
Excellent
Fri
6 Feb
62
Good
Sat
7 Feb
50
Excellent
Air quality in the last 12 months (Qinghemen)
|
2025/12
|
49
|
26
|
43
|
51
|
59
|
86
|
66
|
42
|
68
|
79
|
33
|
62
|
93
|
95
|
126
|
61
|
85
|
116
|
94
|
31
|
37
|
63
|
60
|
49
|
33
|
45
|
89
|
118
|
44
|
41
|
41
|
|
2025/11
|
84
|
39
|
75
|
59
|
109
|
61
|
60
|
166
|
41
|
51
|
59
|
80
|
52
|
95
|
157
|
67
|
43
|
60
|
76
|
50
|
77
|
102
|
139
|
133
|
40
|
67
|
38
|
78
|
68
|
36
|
|
|
2025/10
|
69
|
62
|
44
|
44
|
29
|
26
|
46
|
22
|
29
|
38
|
49
|
35
|
60
|
80
|
50
|
29
|
35
|
22
|
27
|
27
|
39
|
44
|
44
|
66
|
83
|
45
|
51
|
69
|
117
|
46
|
67
|
|
2025/09
|
40
|
40
|
53
|
47
|
42
|
26
|
30
|
25
|
33
|
32
|
56
|
38
|
39
|
34
|
24
|
28
|
17
|
22
|
41
|
40
|
37
|
46
|
42
|
25
|
33
|
43
|
67
|
40
|
44
|
59
|
|
|
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
|
|
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