Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
22 Jan
Thu
23 Jan
Fri
24 Jan
Sat
25 Jan
Sun
26 Jan
Mon
27 Jan
Tue
28 Jan
Yan'an Air quality rank
Real-time AQI (Monitoring Station in Yan'an)
枣园
6547 *
PM2.5
60
PM10
100
O3
0.8
CO
9
SO2
24
NO2
延大医附院
8260 *
PM2.5
102
PM10
62
O3
0.9
CO
10
SO2
42
NO2
百米大道
8563 *
PM2.5
108
PM10
94
O3
1.1
CO
12
SO2
46
NO2
西北局旧址
9067 *
PM2.5
101
PM10
103
O3
1.0
CO
14
SO2
40
NO2
Air quality in the last 12 months (Yan'an)
|
2024/12
|
46
|
53
|
53
|
55
|
53
|
46
|
41
|
41
|
60
|
52
|
49
|
57
|
48
|
43
|
43
|
49
|
53
|
45
|
70
|
60
|
41
|
50
|
69
|
86
|
75
|
45
|
48
|
52
|
56
|
69
|
69
|
|
2024/11
|
32
|
29
|
35
|
40
|
42
|
50
|
64
|
73
|
80
|
73
|
73
|
52
|
38
|
35
|
70
|
60
|
41
|
49
|
38
|
40
|
48
|
60
|
86
|
74
|
51
|
48
|
62
|
46
|
42
|
43
|
|
|
2024/10
|
59
|
37
|
34
|
45
|
51
|
49
|
34
|
42
|
50
|
37
|
47
|
53
|
50
|
45
|
50
|
67
|
62
|
28
|
27
|
20
|
22
|
27
|
38
|
45
|
54
|
42
|
47
|
43
|
50
|
45
|
35
|
|
2024/09
|
31
|
47
|
37
|
40
|
33
|
40
|
20
|
40
|
61
|
32
|
35
|
41
|
35
|
23
|
43
|
38
|
33
|
34
|
38
|
20
|
24
|
33
|
44
|
49
|
51
|
52
|
78
|
63
|
29
|
36
|
|
|
2024/08
|
27
|
42
|
28
|
24
|
27
|
28
|
16
|
31
|
50
|
100
|
38
|
30
|
34
|
36
|
27
|
29
|
36
|
19
|
22
|
25
|
27
|
37
|
41
|
44
|
41
|
20
|
27
|
30
|
36
|
37
|
40
|
|
2024/07
|
32
|
35
|
37
|
23
|
31
|
37
|
42
|
41
|
37
|
39
|
38
|
40
|
40
|
55
|
38
|
20
|
26
|
23
|
32
|
22
|
40
|
42
|
30
|
19
|
42
|
39
|
44
|
46
|
40
|
24
|
33
|
|
2024/06
|
50
|
31
|
31
|
33
|
26
|
40
|
28
|
30
|
31
|
30
|
40
|
42
|
50
|
56
|
47
|
43
|
33
|
33
|
34
|
40
|
41
|
53
|
66
|
76
|
85
|
80
|
62
|
61
|
52
|
32
|
|
|
2024/05
|
37
|
40
|
51
|
29
|
28
|
47
|
48
|
50
|
52
|
70
|
116
|
50
|
47
|
57
|
75
|
56
|
79
|
70
|
58
|
55
|
56
|
55
|
46
|
53
|
45
|
44
|
38
|
44
|
39
|
56
|
46
|
|
2024/04
|
68
|
43
|
38
|
55
|
66
|
58
|
61
|
60
|
55
|
46
|
44
|
48
|
45
|
61
|
81
|
51
|
66
|
66
|
78
|
80
|
64
|
121
|
131
|
83
|
62
|
62
|
60
|
53
|
53
|
33
|
|
|
2024/03
|
49
|
59
|
59
|
75
|
67
|
53
|
97
|
54
|
69
|
66
|
67
|
51
|
65
|
56
|
69
|
123
|
73
|
178
|
92
|
69
|
78
|
125
|
109
|
28
|
46
|
50
|
79
|
73
|
85
|
57
|
63
|
|
2024/02
|
110
|
97
|
93
|
102
|
91
|
82
|
73
|
76
|
106
|
132
|
64
|
65
|
64
|
151
|
66
|
60
|
60
|
391
|
282
|
60
|
51
|
56
|
54
|
80
|
98
|
101
|
87
|
94
|
60
|
||
|
2024/01
|
63
|
60
|
70
|
55
|
53
|
51
|
55
|
71
|
68
|
70
|
70
|
68
|
75
|
72
|
54
|
85
|
94
|
71
|
81
|
65
|
24
|
29
|
41
|
41
|
47
|
68
|
63
|
62
|
68
|
84
|
87
|
|
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