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
25 Sep
Sat
26 Sep
Sun
27 Sep
Mon
28 Sep
Tue
29 Sep
Wed
30 Sep
Thu
1 Oct
Real-time AQI (Monitoring Station in Hechi)
市环保站
3714
PM2.5
37
PM10
85
O3
0.7
CO
6
SO2
3
NO2
上任中路54号
268
PM2.5
24
PM10
82
O3
0.8
CO
7
SO2
4
NO2
Air quality in the last 12 months (Hechi)
|
2026/08
|
18
|
27
|
28
|
20
|
16
|
20
|
23
|
24
|
31
|
30
|
28
|
26
|
19
|
18
|
19
|
21
|
23
|
23
|
20
|
24
|
26
|
29
|
27
|
20
|
18
|
15
|
17
|
15
|
20
|
23
|
29
|
|
2026/07
|
15
|
25
|
26
|
20
|
13
|
19
|
15
|
18
|
20
|
19
|
29
|
32
|
33
|
34
|
22
|
26
|
24
|
28
|
21
|
22
|
27
|
32
|
29
|
29
|
34
|
31
|
36
|
22
|
23
|
21
|
22
|
|
2026/06
|
35
|
32
|
39
|
28
|
28
|
29
|
27
|
21
|
30
|
23
|
29
|
40
|
38
|
21
|
28
|
33
|
33
|
19
|
13
|
16
|
21
|
24
|
22
|
20
|
15
|
15
|
22
|
21
|
30
|
23
|
|
|
2026/05
|
35
|
39
|
20
|
30
|
33
|
38
|
29
|
25
|
27
|
29
|
28
|
40
|
46
|
41
|
33
|
23
|
19
|
20
|
20
|
26
|
23
|
24
|
30
|
32
|
31
|
34
|
33
|
29
|
22
|
22
|
26
|
|
2026/04
|
24
|
57
|
62
|
34
|
59
|
98
|
42
|
59
|
65
|
67
|
71
|
71
|
70
|
54
|
48
|
48
|
22
|
28
|
43
|
48
|
37
|
20
|
16
|
23
|
34
|
46
|
43
|
24
|
25
|
25
|
|
|
2026/03
|
40
|
17
|
15
|
19
|
39
|
47
|
61
|
51
|
11
|
18
|
28
|
40
|
49
|
59
|
65
|
56
|
36
|
25
|
40
|
28
|
27
|
34
|
58
|
56
|
40
|
66
|
50
|
28
|
41
|
50
|
35
|
|
2026/02
|
29
|
46
|
59
|
104
|
159
|
99
|
30
|
15
|
20
|
15
|
26
|
29
|
17
|
34
|
52
|
38
|
19
|
26
|
17
|
42
|
84
|
108
|
98
|
45
|
36
|
55
|
35
|
41
|
|||
|
2026/01
|
13
|
16
|
34
|
28
|
18
|
27
|
41
|
47
|
58
|
78
|
64
|
85
|
92
|
101
|
106
|
114
|
103
|
80
|
70
|
29
|
11
|
24
|
39
|
55
|
53
|
29
|
28
|
38
|
70
|
28
|
15
|
|
2025/12
|
75
|
74
|
57
|
67
|
58
|
64
|
73
|
55
|
64
|
84
|
91
|
76
|
20
|
38
|
49
|
60
|
62
|
52
|
60
|
60
|
38
|
54
|
58
|
17
|
32
|
48
|
56
|
58
|
77
|
75
|
75
|
|
2025/11
|
19
|
22
|
7
|
10
|
16
|
30
|
39
|
18
|
9
|
9
|
9
|
22
|
36
|
36
|
38
|
39
|
43
|
16
|
19
|
28
|
31
|
38
|
43
|
52
|
42
|
46
|
48
|
53
|
53
|
63
|
|
|
2025/10
|
21
|
24
|
24
|
24
|
24
|
12
|
18
|
21
|
26
|
30
|
33
|
35
|
29
|
19
|
19
|
23
|
31
|
38
|
14
|
8
|
8
|
10
|
16
|
34
|
37
|
20
|
24
|
26
|
39
|
48
|
26
|
|
2025/09
|
22
|
24
|
18
|
23
|
21
|
22
|
29
|
26
|
16
|
16
|
17
|
15
|
21
|
23
|
23
|
20
|
19
|
21
|
25
|
34
|
19
|
19
|
16
|
11
|
8
|
13
|
22
|
27
|
24
|
33
|
|
|
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