Air Quality
Excellent
No health implications.
6
PM2.5
12
PM10
72
O3
0.3
CO
2
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jul
48
Excellent
Thu
31 Jul
61
Good
Fri
1 Aug
63
Good
Sat
2 Aug
61
Good
Sun
3 Aug
59
Good
Mon
4 Aug
61
Good
Tue
5 Aug
22
Excellent
Real-time AQI (Monitoring Station in Tongren)
铜仁卫校
236
PM2.5
12
PM10
72
O3
0.3
CO
2
SO2
10
NO2
Air quality in the last 12 months (Tongren)
|
2025/06
|
21
|
20
|
27
|
24
|
29
|
32
|
27
|
24
|
26
|
29
|
27
|
24
|
25
|
21
|
23
|
26
|
21
|
16
|
16
|
17
|
17
|
22
|
20
|
24
|
19
|
18
|
19
|
17
|
21
|
24
|
|
|
2025/05
|
29
|
39
|
38
|
42
|
31
|
39
|
39
|
32
|
22
|
25
|
22
|
30
|
36
|
49
|
47
|
24
|
42
|
35
|
41
|
39
|
27
|
29
|
30
|
42
|
40
|
23
|
22
|
15
|
20
|
26
|
30
|
|
2025/04
|
34
|
42
|
46
|
60
|
61
|
56
|
53
|
59
|
52
|
45
|
48
|
41
|
87
|
71
|
59
|
59
|
56
|
50
|
34
|
32
|
40
|
37
|
37
|
24
|
29
|
28
|
23
|
24
|
41
|
22
|
|
|
2025/03
|
44
|
37
|
16
|
23
|
25
|
28
|
34
|
30
|
37
|
38
|
43
|
55
|
65
|
36
|
16
|
36
|
43
|
33
|
33
|
31
|
40
|
50
|
47
|
47
|
53
|
59
|
65
|
63
|
44
|
32
|
28
|
|
2025/02
|
25
|
19
|
43
|
47
|
60
|
63
|
50
|
68
|
46
|
44
|
48
|
67
|
67
|
39
|
36
|
47
|
34
|
33
|
35
|
40
|
100
|
36
|
55
|
90
|
42
|
37
|
40
|
39
|
|||
|
2025/01
|
89
|
109
|
103
|
130
|
107
|
69
|
66
|
55
|
49
|
57
|
62
|
68
|
64
|
63
|
70
|
67
|
85
|
98
|
83
|
94
|
114
|
139
|
147
|
119
|
22
|
29
|
48
|
95
|
181
|
89
|
46
|
|
2024/12
|
48
|
46
|
86
|
83
|
24
|
43
|
46
|
46
|
56
|
29
|
38
|
68
|
72
|
53
|
49
|
50
|
75
|
80
|
78
|
87
|
99
|
81
|
58
|
69
|
77
|
75
|
80
|
102
|
102
|
114
|
75
|
|
2024/11
|
38
|
50
|
53
|
48
|
60
|
54
|
43
|
46
|
51
|
42
|
32
|
48
|
65
|
65
|
99
|
77
|
14
|
14
|
13
|
15
|
23
|
23
|
58
|
31
|
19
|
21
|
27
|
31
|
30
|
41
|
|
|
2024/10
|
14
|
24
|
30
|
28
|
40
|
49
|
42
|
29
|
32
|
35
|
52
|
70
|
56
|
25
|
34
|
25
|
31
|
28
|
20
|
15
|
14
|
16
|
18
|
24
|
27
|
29
|
31
|
38
|
37
|
36
|
40
|
|
2024/09
|
26
|
20
|
24
|
22
|
35
|
32
|
35
|
29
|
22
|
21
|
27
|
29
|
19
|
19
|
31
|
35
|
31
|
28
|
27
|
27
|
27
|
17
|
23
|
27
|
28
|
34
|
41
|
33
|
47
|
46
|
|
|
2024/08
|
15
|
21
|
20
|
16
|
17
|
19
|
19
|
21
|
20
|
22
|
29
|
46
|
36
|
31
|
34
|
33
|
25
|
21
|
18
|
20
|
22
|
21
|
17
|
15
|
15
|
18
|
19
|
15
|
16
|
19
|
21
|
|
2024/07
|
13
|
17
|
15
|
16
|
13
|
13
|
14
|
15
|
16
|
19
|
18
|
18
|
18
|
20
|
17
|
17
|
15
|
16
|
14
|
15
|
16
|
18
|
18
|
16
|
18
|
24
|
21
|
20
|
15
|
19
|
18
|
|
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