Air Quality
Excellent
No health implications.
12
PM2.5
17
PM10
64
O3
0.7
CO
1
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
57
Good
Mon
28 Apr
38
Excellent
Tue
29 Apr
41
Excellent
Wed
30 Apr
37
Excellent
Thu
1 May
58
Good
Fri
2 May
71
Good
Sat
3 May
23
Excellent
Air quality in the last 12 months (Qinnan)
|
2025/02
|
47
|
51
|
20
|
42
|
66
|
32
|
17
|
48
|
65
|
95
|
108
|
65
|
47
|
76
|
43
|
33
|
45
|
34
|
73
|
84
|
43
|
57
|
18
|
34
|
77
|
28
|
41
|
49
|
|||
|
2025/01
|
107
|
113
|
97
|
102
|
110
|
104
|
112
|
109
|
83
|
49
|
59
|
81
|
87
|
95
|
70
|
82
|
82
|
98
|
95
|
115
|
132
|
87
|
68
|
46
|
51
|
28
|
52
|
68
|
138
|
71
|
39
|
|
2024/12
|
66
|
69
|
57
|
72
|
70
|
86
|
50
|
35
|
70
|
97
|
54
|
42
|
51
|
60
|
55
|
54
|
80
|
72
|
69
|
88
|
107
|
90
|
102
|
92
|
115
|
97
|
85
|
72
|
98
|
118
|
113
|
|
2024/11
|
50
|
57
|
81
|
74
|
67
|
73
|
73
|
73
|
63
|
60
|
70
|
68
|
63
|
59
|
58
|
51
|
72
|
50
|
43
|
40
|
35
|
47
|
57
|
64
|
79
|
36
|
52
|
48
|
60
|
77
|
|
|
2024/10
|
36
|
31
|
52
|
68
|
66
|
73
|
66
|
64
|
54
|
55
|
64
|
63
|
55
|
50
|
25
|
32
|
26
|
24
|
24
|
44
|
44
|
56
|
32
|
38
|
44
|
50
|
36
|
22
|
39
|
51
|
57
|
|
2024/09
|
25
|
28
|
34
|
31
|
52
|
40
|
13
|
22
|
24
|
14
|
27
|
39
|
43
|
40
|
43
|
42
|
32
|
37
|
44
|
42
|
38
|
25
|
32
|
52
|
47
|
56
|
45
|
30
|
29
|
31
|
|
|
2024/08
|
16
|
18
|
22
|
23
|
28
|
24
|
25
|
27
|
23
|
24
|
17
|
15
|
21
|
23
|
21
|
24
|
32
|
31
|
35
|
21
|
15
|
26
|
23
|
20
|
26
|
22
|
19
|
33
|
26
|
35
|
27
|
|
2024/07
|
24
|
21
|
18
|
17
|
16
|
13
|
20
|
16
|
19
|
24
|
20
|
21
|
15
|
15
|
25
|
23
|
17
|
15
|
15
|
17
|
21
|
27
|
14
|
13
|
17
|
42
|
30
|
25
|
12
|
14
|
14
|
|
2024/06
|
21
|
32
|
24
|
19
|
14
|
24
|
22
|
12
|
16
|
25
|
19
|
20
|
29
|
30
|
22
|
29
|
23
|
26
|
32
|
25
|
34
|
18
|
18
|
13
|
14
|
15
|
18
|
15
|
18
|
22
|
|
|
2024/05
|
25
|
28
|
24
|
29
|
26
|
42
|
37
|
38
|
18
|
26
|
37
|
32
|
47
|
54
|
39
|
52
|
45
|
25
|
13
|
19
|
26
|
34
|
46
|
36
|
17
|
14
|
27
|
17
|
34
|
33
|
15
|
|
2024/04
|
48
|
46
|
48
|
49
|
50
|
40
|
25
|
22
|
42
|
45
|
54
|
49
|
42
|
43
|
47
|
46
|
35
|
32
|
39
|
39
|
24
|
32
|
34
|
48
|
37
|
48
|
55
|
55
|
54
|
54
|
|
|
2024/03
|
43
|
63
|
64
|
36
|
50
|
60
|
86
|
79
|
37
|
13
|
31
|
57
|
34
|
19
|
49
|
60
|
62
|
57
|
33
|
83
|
83
|
55
|
52
|
58
|
56
|
62
|
50
|
49
|
49
|
44
|
37
|
|
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