Air Quality
Excellent
No health implications.
18
PM2.5
30
PM10
40
O3
0.5
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jun
55
Good
Sat
28 Jun
55
Good
Sun
29 Jun
57
Good
Mon
30 Jun
60
Good
Tue
1 Jul
59
Good
Wed
2 Jul
37
Excellent
Thu
3 Jul
30
Excellent
Air quality in the last 12 months (Chongyang)
|
2025/05
|
41
|
54
|
54
|
53
|
33
|
88
|
111
|
37
|
37
|
42
|
34
|
36
|
34
|
48
|
47
|
17
|
27
|
63
|
44
|
20
|
18
|
18
|
36
|
51
|
40
|
39
|
45
|
24
|
19
|
18
|
13
|
|
2025/04
|
62
|
53
|
57
|
56
|
62
|
65
|
62
|
58
|
52
|
37
|
38
|
224
|
130
|
129
|
52
|
55
|
66
|
65
|
61
|
61
|
31
|
39
|
49
|
38
|
43
|
35
|
37
|
53
|
53
|
42
|
|
|
2025/03
|
42
|
32
|
14
|
30
|
45
|
45
|
50
|
53
|
49
|
42
|
35
|
56
|
40
|
36
|
26
|
44
|
32
|
37
|
42
|
34
|
37
|
45
|
52
|
50
|
49
|
60
|
80
|
63
|
65
|
64
|
68
|
|
2025/02
|
54
|
43
|
57
|
53
|
46
|
46
|
72
|
42
|
37
|
45
|
46
|
69
|
84
|
62
|
58
|
50
|
42
|
30
|
39
|
49
|
55
|
30
|
66
|
84
|
70
|
52
|
40
|
40
|
|||
|
2025/01
|
79
|
101
|
150
|
153
|
92
|
69
|
76
|
71
|
61
|
50
|
56
|
65
|
64
|
79
|
68
|
58
|
60
|
71
|
68
|
89
|
77
|
73
|
166
|
114
|
22
|
31
|
51
|
66
|
110
|
54
|
72
|
|
2024/12
|
40
|
48
|
91
|
86
|
45
|
47
|
48
|
86
|
58
|
59
|
60
|
76
|
72
|
53
|
52
|
45
|
57
|
69
|
62
|
75
|
80
|
60
|
67
|
73
|
79
|
112
|
128
|
57
|
47
|
74
|
95
|
|
2024/11
|
57
|
81
|
59
|
68
|
62
|
46
|
37
|
37
|
48
|
49
|
46
|
45
|
49
|
64
|
77
|
83
|
17
|
17
|
30
|
31
|
37
|
39
|
55
|
54
|
32
|
27
|
37
|
45
|
42
|
38
|
|
|
2024/10
|
18
|
48
|
41
|
27
|
40
|
77
|
36
|
29
|
39
|
57
|
59
|
70
|
124
|
72
|
62
|
38
|
23
|
25
|
18
|
25
|
40
|
20
|
27
|
31
|
46
|
47
|
43
|
69
|
55
|
44
|
44
|
|
2024/09
|
34
|
40
|
42
|
36
|
39
|
49
|
40
|
32
|
38
|
32
|
34
|
33
|
28
|
31
|
35
|
28
|
39
|
34
|
30
|
35
|
30
|
29
|
32
|
35
|
41
|
50
|
50
|
33
|
26
|
42
|
|
|
2024/08
|
12
|
15
|
17
|
18
|
23
|
21
|
25
|
23
|
22
|
22
|
61
|
67
|
35
|
24
|
22
|
27
|
37
|
34
|
27
|
28
|
29
|
28
|
18
|
17
|
19
|
28
|
23
|
17
|
36
|
32
|
30
|
|
2024/07
|
13
|
20
|
20
|
15
|
16
|
15
|
18
|
17
|
21
|
28
|
34
|
25
|
24
|
30
|
23
|
21
|
14
|
14
|
13
|
14
|
17
|
16
|
19
|
25
|
32
|
25
|
17
|
8
|
8
|
12
|
15
|
|
2024/06
|
17
|
33
|
26
|
18
|
21
|
20
|
28
|
30
|
20
|
14
|
17
|
25
|
22
|
20
|
22
|
24
|
28
|
17
|
12
|
18
|
19
|
10
|
13
|
15
|
17
|
18
|
10
|
16
|
12
|
13
|
|
|
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