Air Quality
Excellent
No health implications.
17
PM2.5
29
PM10
31
O3
0.5
CO
5
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
42
Excellent
Thu
17 Jul
50
Excellent
Fri
18 Jul
52
Good
Sat
19 Jul
78
Good
Sun
20 Jul
62
Good
Mon
21 Jul
51
Good
Tue
22 Jul
17
Excellent
Kaiyuan Air quality rank
Air quality in the last 12 months (Kaiyuan)
|
2025/06
|
29
|
44
|
24
|
16
|
35
|
31
|
18
|
36
|
33
|
18
|
26
|
29
|
29
|
36
|
35
|
20
|
34
|
34
|
32
|
19
|
19
|
28
|
34
|
44
|
43
|
48
|
42
|
22
|
36
|
14
|
|
|
2025/05
|
19
|
33
|
30
|
32
|
36
|
29
|
52
|
45
|
45
|
36
|
43
|
59
|
56
|
51
|
51
|
34
|
27
|
31
|
37
|
40
|
43
|
53
|
35
|
44
|
29
|
45
|
49
|
49
|
51
|
60
|
56
|
|
2025/04
|
88
|
74
|
73
|
65
|
38
|
51
|
62
|
66
|
82
|
80
|
60
|
30
|
13
|
23
|
48
|
47
|
61
|
37
|
40
|
54
|
67
|
21
|
45
|
76
|
63
|
79
|
47
|
54
|
70
|
58
|
|
|
2025/03
|
92
|
29
|
41
|
59
|
82
|
76
|
61
|
88
|
107
|
90
|
70
|
117
|
39
|
46
|
54
|
60
|
83
|
71
|
78
|
85
|
85
|
189
|
178
|
94
|
129
|
174
|
56
|
30
|
31
|
39
|
63
|
|
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
|
|
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