Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
49
O3
0.4
CO
3
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Apr
51
Good
Mon
14 Apr
51
Good
Tue
15 Apr
77
Good
Wed
16 Apr
69
Good
Thu
17 Apr
83
Good
Fri
18 Apr
34
Excellent
Sat
19 Apr
18
Excellent
Air quality in the last 12 months (Kaiyuan)
|
2025/02
|
120
|
165
|
78
|
69
|
61
|
65
|
56
|
53
|
74
|
64
|
68
|
49
|
71
|
81
|
95
|
52
|
34
|
33
|
46
|
56
|
54
|
60
|
57
|
59
|
96
|
64
|
86
|
125
|
|||
|
2025/01
|
47
|
39
|
55
|
69
|
98
|
118
|
57
|
36
|
64
|
70
|
73
|
89
|
95
|
74
|
41
|
52
|
63
|
68
|
76
|
61
|
73
|
88
|
102
|
78
|
79
|
98
|
126
|
65
|
100
|
83
|
94
|
|
2024/12
|
30
|
21
|
39
|
32
|
41
|
33
|
51
|
57
|
65
|
70
|
45
|
68
|
76
|
57
|
42
|
39
|
43
|
60
|
53
|
64
|
72
|
63
|
66
|
53
|
73
|
43
|
46
|
51
|
58
|
67
|
46
|
|
2024/11
|
74
|
96
|
106
|
31
|
37
|
36
|
47
|
65
|
61
|
46
|
39
|
48
|
44
|
34
|
33
|
34
|
27
|
26
|
38
|
78
|
73
|
58
|
91
|
68
|
49
|
25
|
39
|
43
|
49
|
51
|
|
|
2024/10
|
20
|
24
|
33
|
43
|
49
|
54
|
32
|
46
|
43
|
25
|
43
|
47
|
73
|
47
|
18
|
36
|
68
|
49
|
28
|
42
|
29
|
31
|
40
|
63
|
100
|
86
|
33
|
52
|
79
|
99
|
103
|
|
2024/09
|
21
|
18
|
24
|
35
|
20
|
27
|
26
|
29
|
36
|
20
|
23
|
23
|
33
|
17
|
23
|
30
|
43
|
35
|
28
|
11
|
18
|
28
|
30
|
39
|
25
|
20
|
32
|
39
|
43
|
17
|
|
|
2024/08
|
18
|
17
|
25
|
31
|
18
|
26
|
40
|
42
|
33
|
22
|
23
|
20
|
20
|
26
|
30
|
27
|
31
|
33
|
29
|
22
|
13
|
14
|
22
|
32
|
20
|
24
|
19
|
23
|
29
|
39
|
30
|
|
2024/07
|
59
|
49
|
14
|
45
|
51
|
39
|
30
|
54
|
46
|
50
|
61
|
64
|
65
|
56
|
60
|
36
|
14
|
42
|
41
|
17
|
33
|
21
|
31
|
22
|
20
|
9
|
14
|
12
|
22
|
42
|
21
|
|
2024/06
|
21
|
19
|
26
|
41
|
46
|
39
|
35
|
29
|
29
|
35
|
45
|
43
|
36
|
26
|
17
|
29
|
45
|
45
|
46
|
39
|
40
|
44
|
42
|
11
|
25
|
31
|
49
|
38
|
28
|
28
|
|
|
2024/05
|
40
|
60
|
62
|
58
|
35
|
48
|
45
|
44
|
70
|
71
|
85
|
34
|
47
|
63
|
31
|
20
|
44
|
53
|
27
|
18
|
36
|
44
|
25
|
24
|
22
|
15
|
15
|
27
|
47
|
39
|
15
|
|
2024/04
|
63
|
69
|
54
|
82
|
103
|
81
|
122
|
139
|
153
|
136
|
66
|
73
|
52
|
60
|
203
|
162
|
77
|
54
|
62
|
188
|
117
|
66
|
68
|
53
|
58
|
64
|
63
|
22
|
37
|
49
|
|
|
2024/03
|
38
|
45
|
41
|
53
|
37
|
38
|
46
|
40
|
47
|
93
|
83
|
51
|
65
|
96
|
93
|
114
|
69
|
94
|
85
|
64
|
94
|
41
|
89
|
36
|
69
|
74
|
79
|
178
|
93
|
73
|
60
|
|
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