Air Quality
Excellent
No health implications.
17
PM2.5
34
PM10
44
O3
0.4
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Nov
45
Excellent
Mon
17 Nov
50
Excellent
Tue
18 Nov
49
Excellent
Wed
19 Nov
54
Good
Thu
20 Nov
51
Good
Fri
21 Nov
57
Good
Sat
22 Nov
48
Excellent
Air quality in the last 12 months (Erdaojiang)
|
2025/10
|
40
|
43
|
45
|
36
|
34
|
21
|
21
|
28
|
28
|
27
|
17
|
37
|
41
|
53
|
48
|
53
|
35
|
17
|
21
|
29
|
38
|
48
|
58
|
56
|
55
|
46
|
44
|
49
|
65
|
28
|
41
|
|
2025/09
|
14
|
38
|
28
|
29
|
28
|
17
|
23
|
30
|
25
|
33
|
36
|
43
|
46
|
31
|
25
|
32
|
26
|
33
|
27
|
25
|
43
|
41
|
35
|
15
|
21
|
47
|
41
|
27
|
41
|
37
|
|
|
2025/08
|
23
|
19
|
21
|
18
|
24
|
12
|
17
|
28
|
21
|
17
|
33
|
25
|
30
|
17
|
29
|
12
|
15
|
21
|
17
|
12
|
19
|
15
|
18
|
19
|
14
|
14
|
31
|
15
|
16
|
25
|
10
|
|
2025/07
|
14
|
12
|
13
|
10
|
18
|
14
|
31
|
28
|
33
|
29
|
34
|
25
|
20
|
16
|
17
|
12
|
13
|
12
|
21
|
13
|
9
|
16
|
14
|
17
|
18
|
18
|
23
|
18
|
18
|
15
|
23
|
|
2025/06
|
43
|
39
|
21
|
14
|
34
|
24
|
21
|
23
|
32
|
14
|
14
|
25
|
30
|
38
|
34
|
18
|
16
|
27
|
31
|
18
|
20
|
21
|
28
|
36
|
34
|
30
|
35
|
22
|
25
|
15
|
|
|
2025/05
|
14
|
20
|
20
|
21
|
30
|
22
|
32
|
45
|
51
|
21
|
29
|
42
|
46
|
37
|
14
|
24
|
17
|
22
|
24
|
39
|
41
|
58
|
35
|
29
|
28
|
31
|
34
|
29
|
42
|
40
|
42
|
|
2025/04
|
53
|
45
|
43
|
47
|
18
|
27
|
35
|
46
|
55
|
51
|
58
|
34
|
13
|
20
|
28
|
37
|
53
|
34
|
19
|
33
|
36
|
16
|
34
|
53
|
54
|
59
|
51
|
51
|
57
|
48
|
|
|
2025/03
|
71
|
26
|
18
|
23
|
36
|
51
|
49
|
48
|
53
|
55
|
42
|
65
|
44
|
33
|
37
|
35
|
56
|
46
|
45
|
45
|
58
|
68
|
97
|
75
|
81
|
82
|
33
|
24
|
24
|
22
|
40
|
|
2025/02
|
70
|
66
|
43
|
37
|
38
|
49
|
38
|
29
|
46
|
53
|
67
|
72
|
103
|
69
|
76
|
51
|
32
|
32
|
42
|
40
|
42
|
37
|
40
|
41
|
58
|
56
|
62
|
60
|
|||
|
2025/01
|
56
|
43
|
53
|
57
|
70
|
52
|
51
|
25
|
27
|
37
|
57
|
64
|
70
|
45
|
42
|
39
|
54
|
61
|
60
|
65
|
66
|
55
|
67
|
64
|
63
|
78
|
53
|
56
|
63
|
59
|
72
|
|
2024/12
|
55
|
22
|
43
|
32
|
35
|
34
|
37
|
52
|
58
|
66
|
50
|
51
|
57
|
56
|
33
|
37
|
40
|
39
|
54
|
69
|
34
|
49
|
63
|
58
|
68
|
45
|
48
|
57
|
50
|
48
|
45
|
|
2024/11
|
68
|
94
|
48
|
18
|
29
|
22
|
36
|
52
|
50
|
41
|
49
|
30
|
43
|
48
|
31
|
35
|
26
|
28
|
30
|
45
|
53
|
38
|
39
|
51
|
56
|
26
|
23
|
32
|
25
|
40
|
|
|
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