Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Aug
Sun
30 Aug
Mon
31 Aug
Tue
1 Sep
Wed
2 Sep
Thu
3 Sep
Fri
4 Sep
Real-time AQI (Monitoring Station in Zhaotong)
监测站
1913
PM2.5
18
PM10
59
O3
0.4
CO
4
SO2
9
NO2
环东路146号
218
PM2.5
9
PM10
67
O3
0.7
CO
13
SO2
11
NO2
Air quality in the last 12 months (Zhaotong)
|
2026/07
|
35
|
26
|
21
|
21
|
27
|
37
|
39
|
38
|
33
|
36
|
35
|
31
|
32
|
34
|
39
|
37
|
34
|
31
|
57
|
48
|
47
|
47
|
44
|
39
|
41
|
35
|
32
|
26
|
23
|
23
|
25
|
|
2026/06
|
39
|
47
|
31
|
39
|
49
|
49
|
39
|
30
|
34
|
35
|
37
|
43
|
31
|
33
|
37
|
22
|
21
|
21
|
27
|
32
|
23
|
22
|
24
|
21
|
19
|
22
|
28
|
24
|
26
|
28
|
|
|
2026/05
|
36
|
25
|
31
|
28
|
30
|
37
|
50
|
37
|
28
|
36
|
36
|
29
|
40
|
44
|
32
|
35
|
30
|
26
|
37
|
41
|
41
|
43
|
39
|
31
|
37
|
31
|
34
|
27
|
29
|
41
|
43
|
|
2026/04
|
35
|
34
|
35
|
42
|
47
|
44
|
34
|
42
|
36
|
39
|
41
|
34
|
35
|
29
|
37
|
35
|
34
|
36
|
51
|
38
|
31
|
28
|
35
|
42
|
45
|
44
|
33
|
30
|
34
|
42
|
|
|
2026/03
|
42
|
23
|
21
|
28
|
32
|
36
|
31
|
27
|
22
|
29
|
38
|
55
|
48
|
36
|
23
|
31
|
36
|
27
|
37
|
29
|
39
|
30
|
33
|
29
|
34
|
35
|
30
|
31
|
30
|
35
|
27
|
|
2026/02
|
33
|
37
|
40
|
43
|
41
|
53
|
51
|
34
|
39
|
34
|
36
|
53
|
47
|
49
|
40
|
78
|
74
|
38
|
30
|
51
|
56
|
59
|
55
|
46
|
45
|
54
|
43
|
45
|
|||
|
2026/01
|
33
|
25
|
39
|
28
|
33
|
31
|
36
|
44
|
73
|
98
|
77
|
79
|
61
|
51
|
68
|
70
|
79
|
51
|
79
|
36
|
32
|
32
|
60
|
57
|
44
|
41
|
82
|
67
|
53
|
38
|
33
|
|
2025/12
|
81
|
66
|
44
|
31
|
43
|
58
|
45
|
62
|
54
|
46
|
68
|
45
|
37
|
59
|
66
|
59
|
46
|
58
|
55
|
42
|
48
|
55
|
39
|
49
|
41
|
64
|
58
|
69
|
56
|
40
|
37
|
|
2025/11
|
24
|
26
|
24
|
33
|
30
|
22
|
30
|
27
|
23
|
28
|
26
|
26
|
27
|
25
|
35
|
37
|
26
|
24
|
29
|
31
|
37
|
47
|
49
|
55
|
48
|
62
|
57
|
59
|
69
|
79
|
|
|
2025/10
|
23
|
22
|
25
|
27
|
27
|
27
|
20
|
21
|
22
|
26
|
25
|
25
|
24
|
27
|
28
|
26
|
20
|
22
|
19
|
19
|
18
|
26
|
23
|
25
|
24
|
24
|
25
|
31
|
26
|
33
|
26
|
|
2025/09
|
34
|
32
|
36
|
41
|
34
|
29
|
41
|
29
|
34
|
36
|
31
|
27
|
31
|
41
|
37
|
31
|
32
|
28
|
28
|
28
|
31
|
24
|
23
|
28
|
42
|
28
|
25
|
29
|
26
|
19
|
|
|
2025/08
|
36
|
38
|
42
|
46
|
41
|
41
|
36
|
39
|
36
|
34
|
26
|
36
|
35
|
42
|
40
|
37
|
30
|
32
|
37
|
41
|
37
|
28
|
28
|
25
|
32
|
27
|
27
|
33
|
30
|
26
|
28
|
|
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
*: primary pollution