Air Quality
Excellent
No health implications.
17
PM2.5
40
PM10
140
O3
0.5
CO
13
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
62
Good
Mon
19 May
70
Good
Tue
20 May
71
Good
Wed
21 May
58
Good
Thu
22 May
64
Good
Fri
23 May
67
Good
Sat
24 May
28
Excellent
Air quality in the last 12 months (Gonghe)
|
2025/02
|
38
|
61
|
38
|
34
|
43
|
50
|
52
|
44
|
45
|
40
|
50
|
39
|
50
|
43
|
33
|
36
|
29
|
49
|
46
|
49
|
38
|
62
|
65
|
57
|
56
|
37
|
45
|
40
|
|||
|
2025/01
|
38
|
38
|
40
|
41
|
37
|
40
|
55
|
54
|
45
|
77
|
48
|
32
|
37
|
60
|
32
|
30
|
35
|
38
|
42
|
41
|
50
|
41
|
53
|
54
|
112
|
60
|
42
|
52
|
90
|
44
|
36
|
|
2024/12
|
36
|
39
|
30
|
33
|
43
|
27
|
42
|
54
|
44
|
45
|
35
|
42
|
43
|
43
|
35
|
35
|
39
|
47
|
42
|
39
|
46
|
46
|
39
|
48
|
44
|
45
|
28
|
34
|
30
|
40
|
38
|
|
2024/11
|
34
|
29
|
34
|
36
|
34
|
32
|
35
|
39
|
42
|
67
|
56
|
59
|
36
|
36
|
47
|
47
|
40
|
33
|
33
|
32
|
40
|
34
|
32
|
57
|
44
|
33
|
29
|
29
|
26
|
32
|
|
|
2024/10
|
28
|
33
|
33
|
41
|
34
|
32
|
38
|
33
|
26
|
27
|
38
|
32
|
32
|
28
|
38
|
21
|
30
|
30
|
30
|
39
|
62
|
47
|
37
|
44
|
34
|
31
|
27
|
31
|
41
|
45
|
32
|
|
2024/09
|
29
|
26
|
25
|
19
|
19
|
27
|
28
|
28
|
18
|
18
|
22
|
26
|
27
|
18
|
19
|
16
|
17
|
23
|
31
|
17
|
16
|
27
|
28
|
29
|
42
|
34
|
35
|
28
|
36
|
24
|
|
|
2024/08
|
39
|
33
|
24
|
31
|
31
|
35
|
79
|
27
|
37
|
21
|
22
|
28
|
36
|
18
|
29
|
35
|
26
|
27
|
29
|
33
|
32
|
49
|
47
|
24
|
29
|
21
|
27
|
32
|
26
|
27
|
32
|
|
2024/07
|
16
|
23
|
23
|
21
|
29
|
42
|
36
|
20
|
31
|
31
|
29
|
36
|
20
|
19
|
27
|
30
|
20
|
39
|
29
|
44
|
96
|
99
|
21
|
30
|
62
|
43
|
36
|
17
|
37
|
29
|
28
|
|
2024/06
|
37
|
26
|
33
|
26
|
31
|
21
|
26
|
14
|
16
|
25
|
20
|
28
|
18
|
21
|
28
|
17
|
23
|
19
|
29
|
23
|
18
|
19
|
22
|
23
|
37
|
30
|
35
|
20
|
31
|
14
|
|
|
2024/05
|
34
|
38
|
31
|
41
|
48
|
56
|
60
|
41
|
39
|
42
|
22
|
31
|
46
|
32
|
47
|
38
|
57
|
31
|
41
|
41
|
34
|
36
|
46
|
49
|
28
|
31
|
29
|
28
|
20
|
18
|
28
|
|
2024/04
|
47
|
97
|
65
|
63
|
43
|
26
|
26
|
36
|
36
|
40
|
42
|
33
|
54
|
56
|
137
|
101
|
66
|
37
|
44
|
55
|
54
|
58
|
43
|
46
|
35
|
70
|
62
|
77
|
55
|
28
|
|
|
2024/03
|
79
|
68
|
43
|
80
|
87
|
58
|
39
|
44
|
50
|
61
|
37
|
36
|
42
|
38
|
72
|
136
|
90
|
92
|
54
|
46
|
36
|
45
|
83
|
43
|
29
|
39
|
41
|
34
|
64
|
49
|
43
|
|
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