Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
52
PM2.5
372
*
PM10
90
O3
0.4
CO
2
SO2
4
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
11 Mar
235
Heavy
Thu
12 Mar
356
Severe
Fri
13 Mar
325
Severe
Sat
14 Mar
304
Severe
Sun
15 Mar
281
Heavy
Mon
16 Mar
265
Heavy
Tue
17 Mar
39
Excellent
Air quality in the last 12 months (Pishan)
|
2026/02
|
231
|
190
|
197
|
157
|
203
|
135
|
449
|
377
|
310
|
334
|
336
|
356
|
307
|
215
|
194
|
188
|
243
|
168
|
160
|
139
|
224
|
165
|
92
|
99
|
202
|
500
|
500
|
470
|
|||
|
2026/01
|
54
|
55
|
61
|
47
|
50
|
55
|
59
|
82
|
78
|
73
|
85
|
87
|
80
|
84
|
127
|
137
|
214
|
330
|
500
|
500
|
500
|
500
|
500
|
349
|
449
|
493
|
401
|
251
|
174
|
214
|
307
|
|
2025/12
|
115
|
104
|
100
|
106
|
122
|
110
|
97
|
106
|
112
|
119
|
212
|
243
|
164
|
140
|
147
|
145
|
139
|
132
|
121
|
116
|
130
|
115
|
93
|
66
|
77
|
103
|
93
|
85
|
71
|
76
|
56
|
|
2025/11
|
111
|
103
|
94
|
97
|
124
|
189
|
144
|
164
|
234
|
182
|
159
|
136
|
131
|
111
|
117
|
113
|
141
|
173
|
180
|
175
|
174
|
153
|
121
|
120
|
112
|
123
|
105
|
104
|
116
|
119
|
|
|
2025/10
|
89
|
105
|
139
|
372
|
299
|
130
|
113
|
111
|
94
|
79
|
99
|
70
|
83
|
85
|
92
|
120
|
250
|
233
|
168
|
134
|
130
|
128
|
128
|
126
|
107
|
101
|
98
|
102
|
95
|
98
|
112
|
|
2025/09
|
171
|
499
|
484
|
461
|
500
|
496
|
397
|
263
|
196
|
165
|
139
|
147
|
143
|
130
|
153
|
500
|
464
|
365
|
215
|
153
|
144
|
138
|
155
|
118
|
375
|
98
|
108
|
110
|
105
|
94
|
|
|
2025/08
|
152
|
76
|
95
|
72
|
157
|
97
|
107
|
119
|
130
|
115
|
102
|
97
|
172
|
248
|
222
|
500
|
472
|
460
|
88
|
80
|
108
|
186
|
305
|
243
|
72
|
78
|
93
|
92
|
89
|
80
|
95
|
|
2025/07
|
383
|
285
|
143
|
106
|
105
|
112
|
379
|
275
|
210
|
282
|
272
|
95
|
73
|
94
|
154
|
164
|
95
|
221
|
195
|
158
|
162
|
132
|
134
|
115
|
182
|
102
|
120
|
105
|
135
|
270
|
226
|
|
2025/06
|
226
|
137
|
193
|
187
|
117
|
85
|
74
|
100
|
146
|
102
|
230
|
254
|
498
|
315
|
236
|
145
|
102
|
100
|
130
|
104
|
186
|
132
|
192
|
163
|
115
|
117
|
426
|
485
|
222
|
131
|
|
|
2025/05
|
85
|
98
|
433
|
426
|
378
|
168
|
416
|
484
|
493
|
489
|
242
|
173
|
371
|
307
|
252
|
151
|
157
|
115
|
174
|
172
|
340
|
402
|
195
|
182
|
218
|
129
|
148
|
324
|
334
|
416
|
393
|
|
2025/04
|
500
|
434
|
277
|
251
|
232
|
179
|
171
|
114
|
126
|
261
|
488
|
356
|
470
|
430
|
145
|
127
|
292
|
459
|
500
|
295
|
268
|
420
|
264
|
105
|
94
|
157
|
113
|
107
|
96
|
91
|
|
|
2025/03
|
123
|
126
|
99
|
94
|
53
|
70
|
99
|
90
|
111
|
96
|
112
|
243
|
129
|
257
|
500
|
500
|
430
|
255
|
171
|
158
|
134
|
102
|
74
|
82
|
165
|
435
|
500
|
500
|
500
|
500
|
500
|
|
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