AQSQID: 060792004

Site Name: Mesa 2 /Nipomo

Location: San Luis Obispo Co, CA

Reporting: True, Located: True

Current AQI: 8.0

San Luis Obispo Co CA, US: 35.02079, -120.56389

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 26, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
May 26, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
May 26, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
May 26, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
May 26, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
May 26, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 26, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
May 26, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
May 26, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
May 26, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
May 26, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (28) 7.0 μg/m3 (29) 29.0
 
May 26, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
May 26, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (28) 8.0 μg/m3 (33) 33.0
 
May 26, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
May 26, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
May 26, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
May 26, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
May 25, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 8.0 μg/m3 (33) 33.0
 
May 25, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 30.0 μg/m3 (27) 13.0 μg/m3 (52) 52.0
 
May 25, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
May 25, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
May 25, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
May 25, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
May 25, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
May 25, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 25, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
May 25, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
May 25, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
May 25, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
May 25, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
May 25, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 25, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 25, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 25, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
May 25, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
May 25, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
May 25, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
May 25, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
May 25, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
May 25, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
May 25, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 24, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
May 24, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
May 24, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
May 24, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
May 24, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
May 24, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
May 24, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
May 24, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
May 24, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
May 24, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
May 24, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 30.0 μg/m3 (27) 2.0 μg/m3 (8) 27.0
 
May 24, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
May 24, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 24, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
May 24, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
May 24, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
May 24, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
May 24, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 24, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
May 24, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
May 24, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 24, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 14.0 μg/m3 (54) 54.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (28) 8.0 μg/m3 (33) 33.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 μg/m3 (36) 8.0 μg/m3 (33) 36.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 54.0 μg/m3 (49) 10.0 μg/m3 (42) 49.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 57.0 μg/m3 (51) 17.0 μg/m3 (61) 61.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 63.0 μg/m3 (54) 16.0 μg/m3 (59) 59.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 87.0 μg/m3 (66) 21.0 μg/m3 (69) 69.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 121.0 μg/m3 (83) 24.0 μg/m3 (76) 83.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 113.0 μg/m3 (79) 28.0 μg/m3 (84) 84.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 97.0 μg/m3 (71) 21.0 μg/m3 (69) 71.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 92.0 μg/m3 (68) 22.0 μg/m3 (71) 71.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 60.0 μg/m3 (52) 11.0 μg/m3 (46) 52.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (34) 8.0 μg/m3 (33) 34.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (31) 6.0 μg/m3 (25) 31.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 80.0 μg/m3 (62) 12.0 μg/m3 (50) 62.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 76.0 μg/m3 (60) 15.0 μg/m3 (56) 60.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 109.0 μg/m3 (77) 20.0 μg/m3 (67) 77.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 73.0 μg/m3 (59) 12.0 μg/m3 (50) 59.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 63.0 μg/m3 (54) 12.0 μg/m3 (50) 54.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 46.0 μg/m3 (42) 10.0 μg/m3 (42) 42.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 61.0 μg/m3 (53) 14.0 μg/m3 (54) 54.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 62.0 μg/m3 (54) 15.0 μg/m3 (56) 56.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 36.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 11.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 48.0 μg/m3 (44) 10.0 μg/m3 (42) 44.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 95.0 μg/m3 (70) 18.0 μg/m3 (63) 70.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 113.0 μg/m3 (79) 25.0 μg/m3 (78) 79.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 100.0 μg/m3 (72) 19.0 μg/m3 (65) 72.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 73.0 μg/m3 (59) 8.0 μg/m3 (33) 59.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 1.0 μg/m3 (4) 16.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 3.0 μg/m3 (12) 19.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0