Air Quality
Excellent
No health implications.
9
PM2.5
14
PM10
85
O3
0.3
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
52
Good
Mon
5 May
51
Good
Tue
6 May
51
Good
Wed
7 May
50
Excellent
Thu
8 May
56
Good
Fri
9 May
51
Good
Sat
10 May
48
Excellent
Air quality in the last 12 months (Daqingshan)
|
2025/02
|
83
|
100
|
95
|
73
|
54
|
53
|
48
|
41
|
52
|
71
|
64
|
77
|
69
|
55
|
58
|
34
|
37
|
32
|
34
|
46
|
44
|
39
|
42
|
47
|
59
|
44
|
55
|
60
|
|||
|
2025/01
|
92
|
108
|
108
|
128
|
100
|
99
|
103
|
61
|
52
|
75
|
104
|
110
|
122
|
133
|
89
|
62
|
72
|
93
|
110
|
98
|
109
|
102
|
108
|
113
|
103
|
96
|
58
|
81
|
91
|
63
|
70
|
|
2024/12
|
58
|
47
|
48
|
39
|
42
|
44
|
59
|
58
|
69
|
72
|
60
|
59
|
59
|
68
|
58
|
54
|
51
|
53
|
69
|
92
|
75
|
83
|
66
|
75
|
73
|
42
|
62
|
79
|
90
|
77
|
74
|
|
2024/11
|
56
|
35
|
43
|
32
|
38
|
38
|
39
|
50
|
66
|
58
|
67
|
53
|
65
|
123
|
90
|
51
|
32
|
34
|
63
|
87
|
82
|
45
|
45
|
53
|
51
|
36
|
41
|
49
|
47
|
38
|
|
|
2024/10
|
19
|
26
|
26
|
26
|
44
|
31
|
37
|
47
|
45
|
39
|
24
|
30
|
34
|
42
|
21
|
24
|
35
|
35
|
25
|
50
|
27
|
34
|
29
|
41
|
49
|
44
|
50
|
65
|
71
|
52
|
58
|
|
2024/09
|
17
|
20
|
20
|
20
|
17
|
19
|
17
|
23
|
19
|
22
|
19
|
23
|
20
|
26
|
24
|
31
|
30
|
28
|
21
|
24
|
25
|
24
|
31
|
27
|
22
|
19
|
26
|
35
|
33
|
23
|
|
|
2024/08
|
14
|
14
|
13
|
13
|
12
|
14
|
21
|
22
|
21
|
23
|
14
|
16
|
18
|
22
|
20
|
26
|
20
|
21
|
16
|
16
|
20
|
20
|
18
|
20
|
21
|
18
|
20
|
16
|
20
|
15
|
17
|
|
2024/07
|
66
|
39
|
44
|
41
|
42
|
51
|
59
|
59
|
51
|
38
|
49
|
72
|
38
|
43
|
42
|
48
|
33
|
20
|
23
|
24
|
15
|
15
|
19
|
17
|
16
|
12
|
12
|
18
|
14
|
12
|
17
|
|
2024/06
|
15
|
17
|
20
|
17
|
23
|
28
|
35
|
23
|
18
|
19
|
21
|
19
|
19
|
12
|
12
|
15
|
17
|
20
|
22
|
18
|
15
|
18
|
13
|
14
|
17
|
20
|
18
|
41
|
35
|
53
|
|
|
2024/05
|
44
|
53
|
38
|
71
|
86
|
46
|
34
|
37
|
30
|
24
|
20
|
23
|
21
|
23
|
17
|
20
|
26
|
33
|
18
|
19
|
19
|
33
|
20
|
19
|
17
|
22
|
17
|
22
|
16
|
15
|
16
|
|
2024/04
|
25
|
40
|
43
|
31
|
41
|
53
|
26
|
29
|
41
|
73
|
77
|
69
|
62
|
54
|
55
|
42
|
24
|
37
|
23
|
43
|
104
|
105
|
72
|
78
|
62
|
41
|
29
|
30
|
33
|
38
|
|
|
2024/03
|
36
|
41
|
49
|
52
|
47
|
44
|
50
|
37
|
39
|
56
|
56
|
38
|
45
|
47
|
33
|
23
|
25
|
32
|
31
|
30
|
29
|
29
|
36
|
28
|
27
|
33
|
33
|
223
|
70
|
30
|
25
|
|
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