Air Quality
Excellent
No health implications.
13
PM2.5
27
PM10
80
O3
0.6
CO
3
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 May
76
Good
Wed
7 May
75
Good
Thu
8 May
73
Good
Fri
9 May
81
Good
Sat
10 May
88
Good
Sun
11 May
89
Good
Mon
12 May
29
Excellent
Air quality in the last 12 months (Chongzhou)
|
2025/02
|
34
|
36
|
38
|
50
|
37
|
33
|
40
|
27
|
33
|
45
|
64
|
52
|
58
|
55
|
37
|
52
|
51
|
49
|
34
|
43
|
40
|
22
|
36
|
31
|
24
|
45
|
72
|
84
|
|||
|
2025/01
|
130
|
119
|
124
|
140
|
107
|
95
|
63
|
46
|
61
|
55
|
42
|
87
|
83
|
63
|
68
|
61
|
100
|
49
|
73
|
91
|
123
|
154
|
188
|
85
|
34
|
57
|
73
|
86
|
263
|
95
|
58
|
|
2024/12
|
94
|
119
|
107
|
73
|
61
|
52
|
38
|
19
|
25
|
41
|
57
|
55
|
45
|
46
|
67
|
86
|
114
|
148
|
115
|
96
|
98
|
50
|
44
|
52
|
76
|
74
|
113
|
98
|
73
|
64
|
79
|
|
2024/11
|
29
|
55
|
39
|
32
|
44
|
59
|
74
|
83
|
58
|
24
|
35
|
29
|
27
|
51
|
54
|
35
|
26
|
14
|
15
|
29
|
42
|
66
|
55
|
38
|
19
|
38
|
39
|
54
|
60
|
75
|
|
|
2024/10
|
22
|
38
|
24
|
24
|
36
|
44
|
40
|
45
|
46
|
36
|
38
|
33
|
51
|
58
|
60
|
50
|
22
|
36
|
23
|
13
|
18
|
31
|
52
|
70
|
46
|
30
|
32
|
48
|
60
|
48
|
40
|
|
2024/09
|
29
|
34
|
22
|
35
|
21
|
26
|
25
|
38
|
29
|
17
|
24
|
31
|
30
|
23
|
20
|
27
|
30
|
39
|
34
|
37
|
24
|
36
|
42
|
40
|
56
|
59
|
72
|
64
|
40
|
12
|
|
|
2024/08
|
45
|
47
|
28
|
19
|
26
|
41
|
28
|
28
|
35
|
28
|
50
|
46
|
49
|
52
|
38
|
50
|
37
|
33
|
42
|
51
|
50
|
55
|
56
|
38
|
48
|
35
|
38
|
44
|
37
|
35
|
35
|
|
2024/07
|
21
|
29
|
24
|
24
|
29
|
49
|
33
|
15
|
12
|
17
|
23
|
33
|
20
|
12
|
17
|
23
|
20
|
18
|
27
|
22
|
21
|
24
|
30
|
20
|
33
|
58
|
48
|
28
|
19
|
30
|
42
|
|
2024/06
|
46
|
27
|
36
|
30
|
34
|
36
|
28
|
35
|
31
|
47
|
28
|
35
|
51
|
54
|
50
|
48
|
20
|
32
|
29
|
34
|
28
|
24
|
45
|
47
|
36
|
32
|
27
|
32
|
48
|
48
|
|
|
2024/05
|
40
|
27
|
24
|
24
|
45
|
67
|
80
|
45
|
45
|
70
|
49
|
55
|
50
|
59
|
67
|
74
|
95
|
59
|
48
|
41
|
34
|
51
|
55
|
54
|
56
|
44
|
41
|
26
|
20
|
25
|
51
|
|
2024/04
|
57
|
53
|
61
|
51
|
33
|
26
|
29
|
31
|
38
|
29
|
34
|
48
|
67
|
63
|
75
|
54
|
46
|
23
|
22
|
43
|
65
|
45
|
28
|
31
|
37
|
62
|
62
|
103
|
40
|
16
|
|
|
2024/03
|
52
|
44
|
70
|
92
|
56
|
53
|
65
|
72
|
95
|
92
|
43
|
62
|
35
|
33
|
56
|
59
|
87
|
50
|
48
|
60
|
61
|
75
|
79
|
50
|
19
|
27
|
41
|
30
|
43
|
43
|
53
|
|
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