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
21 May
Fri
22 May
Sat
23 May
Sun
24 May
Mon
25 May
Tue
26 May
Wed
27 May
Real-time AQI (Monitoring Station in Gannan Prefecture)
监测站
283
PM2.5
27
PM10
87
O3
0.2
CO
1
SO2
4
NO2
甘肃民族师范学院
3311
PM2.5
13
PM10
104
O3
0.2
CO
1
SO2
12
NO2
Air quality in the last 12 months (Gannan Prefecture)
|
2026/04
|
49
|
43
|
77
|
54
|
66
|
56
|
36
|
40
|
44
|
44
|
33
|
50
|
35
|
33
|
39
|
44
|
56
|
53
|
268
|
131
|
48
|
51
|
67
|
62
|
58
|
62
|
40
|
29
|
36
|
38
|
|
|
2026/03
|
66
|
55
|
69
|
85
|
86
|
58
|
50
|
49
|
32
|
42
|
45
|
69
|
48
|
62
|
62
|
55
|
36
|
43
|
40
|
56
|
61
|
69
|
73
|
59
|
38
|
35
|
46
|
53
|
43
|
32
|
39
|
|
2026/02
|
73
|
67
|
69
|
69
|
57
|
69
|
58
|
42
|
54
|
59
|
49
|
51
|
36
|
44
|
68
|
52
|
117
|
57
|
53
|
34
|
57
|
66
|
107
|
50
|
59
|
62
|
56
|
70
|
|||
|
2026/01
|
74
|
63
|
68
|
74
|
64
|
59
|
47
|
40
|
51
|
46
|
46
|
49
|
47
|
55
|
54
|
52
|
51
|
72
|
73
|
66
|
59
|
59
|
51
|
47
|
106
|
130
|
96
|
85
|
100
|
62
|
64
|
|
2025/12
|
58
|
65
|
58
|
60
|
60
|
48
|
56
|
57
|
56
|
56
|
53
|
119
|
68
|
56
|
57
|
53
|
54
|
57
|
63
|
56
|
59
|
64
|
64
|
59
|
50
|
52
|
53
|
50
|
54
|
50
|
62
|
|
2025/11
|
49
|
35
|
40
|
39
|
37
|
23
|
45
|
64
|
51
|
32
|
40
|
36
|
27
|
46
|
46
|
51
|
61
|
48
|
44
|
56
|
51
|
55
|
49
|
88
|
64
|
68
|
53
|
64
|
60
|
60
|
|
|
2025/10
|
25
|
34
|
39
|
25
|
16
|
21
|
18
|
19
|
20
|
19
|
18
|
20
|
33
|
31
|
32
|
40
|
30
|
42
|
32
|
35
|
27
|
24
|
23
|
23
|
31
|
32
|
40
|
47
|
51
|
46
|
57
|
|
2025/09
|
36
|
28
|
26
|
27
|
31
|
55
|
56
|
45
|
37
|
33
|
39
|
42
|
55
|
47
|
25
|
31
|
21
|
20
|
27
|
27
|
25
|
28
|
34
|
40
|
39
|
23
|
18
|
17
|
21
|
23
|
|
|
2025/08
|
34
|
30
|
32
|
14
|
20
|
23
|
22
|
18
|
20
|
25
|
34
|
30
|
30
|
42
|
37
|
42
|
37
|
33
|
19
|
27
|
16
|
17
|
20
|
35
|
29
|
19
|
12
|
14
|
25
|
39
|
41
|
|
2025/07
|
43
|
34
|
30
|
25
|
29
|
23
|
33
|
39
|
40
|
41
|
36
|
30
|
39
|
43
|
35
|
48
|
50
|
26
|
59
|
22
|
24
|
30
|
36
|
24
|
23
|
30
|
45
|
39
|
27
|
32
|
38
|
|
2025/06
|
22
|
27
|
24
|
33
|
51
|
46
|
38
|
44
|
22
|
37
|
46
|
41
|
44
|
30
|
48
|
50
|
53
|
34
|
32
|
43
|
40
|
21
|
35
|
21
|
25
|
36
|
33
|
39
|
42
|
29
|
|
|
2025/05
|
46
|
84
|
148
|
73
|
47
|
55
|
80
|
77
|
50
|
41
|
40
|
50
|
53
|
32
|
24
|
51
|
42
|
53
|
53
|
45
|
47
|
61
|
59
|
46
|
35
|
47
|
35
|
43
|
42
|
73
|
57
|
|
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