AQSQID: 060792004

Site Name: Mesa 2 /Nipomo

Location: San Luis Obispo Co, CA

Reporting: True, Located: True

Current AQI: 21.0

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
March 25, 2019, 11 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) 5.0 μg/m3 (21) 21.0
 
March 25, 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
 
March 25, 2019, 9 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) 6.0 μg/m3 (25) 25.0
 
March 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) 7.0 μg/m3 (29) 29.0
 
March 25, 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) 9.0 μg/m3 (38) 38.0
 
March 25, 2019, 6 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) 9.0 μg/m3 (38) 38.0
 
March 25, 2019, 5 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
 
March 25, 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) 7.0 μg/m3 (29) 29.0
 
March 25, 2019, 3 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) 7.0 μg/m3 (29) 36.0
 
March 25, 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) 8.0 μg/m3 (33) 33.0
 
March 25, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (30) 8.0 μg/m3 (33) 33.0
 
March 25, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
March 24, 2019, 11 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) 10.0 μg/m3 (42) 42.0
 
March 24, 2019, 10 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
 
March 24, 2019, 9 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) 13.0 μg/m3 (52) 52.0
 
March 24, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (26) 13.0 μg/m3 (52) 52.0
 
March 24, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
March 24, 2019, 6 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) 13.0 μg/m3 (52) 52.0
 
March 24, 2019, 5 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) 15.0 μg/m3 (56) 56.0
 
March 24, 2019, 4 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) 12.0 μg/m3 (50) 50.0
 
March 24, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
March 24, 2019, 2 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) 9.0 μg/m3 (38) 38.0
 
March 24, 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) 14.0 μg/m3 (54) 54.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
March 24, 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) 9.0 μg/m3 (38) 38.0
 
March 24, 2019, 10 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) 12.0 μg/m3 (50) 50.0
 
March 24, 2019, 9 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) 7.0 μg/m3 (29) 29.0
 
March 24, 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) 4.0 μg/m3 (17) 17.0
 
March 24, 2019, 7 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
 
March 24, 2019, 6 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) 7.0 μg/m3 (29) 29.0
 
March 24, 2019, 5 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
 
March 24, 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) 8.0 μg/m3 (33) 33.0
 
March 24, 2019, 3 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) 6.0 μg/m3 (25) 25.0
 
March 24, 2019, 2 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
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 152.0 μg/m3 (98) 19.0 μg/m3 (65) 98.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 166.0 μg/m3 (106) 24.0 μg/m3 (76) 106.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 45.0 μg/m3 (41) 12.0 μg/m3 (50) 50.0
 
March 23, 2019, 9 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
 
March 23, 2019, 8 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) 7.0 μg/m3 (29) 29.0
 
March 23, 2019, 7 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) 7.0 μg/m3 (29) 29.0
 
March 23, 2019, 6 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) 4.0 μg/m3 (17) 17.0
 
March 23, 2019, 5 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) 5.0 μg/m3 (21) 21.0
 
March 23, 2019, 4 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) 7.0 μg/m3 (29) 29.0
 
March 23, 2019, 3 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) 5.0 μg/m3 (21) 21.0
 
March 23, 2019, 2 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) 4.0 μg/m3 (17) 17.0
 
March 23, 2019, 1 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
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
March 23, 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) 3.0 μg/m3 (12) 14.0
 
March 23, 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) 6.0 μg/m3 (25) 25.0
 
March 23, 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) 7.0 μg/m3 (29) 29.0
 
March 23, 2019, 8 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) 8.0 μg/m3 (33) 33.0
 
March 23, 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) 8.0 μg/m3 (33) 33.0
 
March 23, 2019, 6 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) 4.0 μg/m3 (17) 17.0
 
March 23, 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) 4.0 μg/m3 (17) 17.0
 
March 23, 2019, 4 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) 7.0 μg/m3 (29) 29.0
 
March 23, 2019, 3 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) 5.0 μg/m3 (21) 25.0
 
March 23, 2019, 2 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) 3.0 μg/m3 (12) 18.0
 
March 23, 2019, 1 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
 
March 23, 2019, midnight 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
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (26) 3.0 μg/m3 (12) 26.0
 
March 22, 2019, 10 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) 0.0 μg/m3 (0) 13.0
 
March 22, 2019, 9 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) 2.0 μg/m3 (8) 12.0
 
March 22, 2019, 8 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) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 7 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) 5.0 μg/m3 (21) 21.0
 
March 22, 2019, 6 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
 
March 22, 2019, 5 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
 
March 22, 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) 4.0 μg/m3 (17) 17.0
 
March 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) 3.0 μg/m3 (12) 12.0
 
March 22, 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) 1.0 μg/m3 (4) 11.0
 
March 22, 2019, 1 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
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 11 a.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
 
March 22, 2019, 10 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) 1.0 μg/m3 (4) 7.0
 
March 22, 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) 3.0 μg/m3 (12) 12.0
 
March 22, 2019, 8 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) 5.0 μg/m3 (21) 21.0
 
March 22, 2019, 7 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) 6.0 μg/m3 (25) 25.0
 
March 22, 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) 7.0 μg/m3 (29) 29.0
 
March 22, 2019, 5 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) 3.0 μg/m3 (12) 12.0
 
March 22, 2019, 4 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
 
March 22, 2019, 3 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) 2.0 μg/m3 (8) 15.0
 
March 22, 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) 4.0 μg/m3 (17) 17.0
 
March 22, 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) 6.0 μg/m3 (25) 25.0
 
March 22, 2019, midnight 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
 
March 21, 2019, 11 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) 4.0 μg/m3 (17) 17.0
 
March 21, 2019, 10 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
 
March 21, 2019, 9 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) 8.0 μg/m3 (33) 33.0
 
March 21, 2019, 8 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) 5.0 μg/m3 (21) 21.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
March 21, 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) 5.0 μg/m3 (21) 21.0
 
March 21, 2019, 5 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) 6.0 μg/m3 (25) 25.0
 
March 21, 2019, 4 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) 7.0 μg/m3 (29) 29.0
 
March 21, 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) 2.0 μg/m3 (8) 8.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
March 21, 2019, 11 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) 3.0 μg/m3 (12) 12.0
 
March 21, 2019, 10 a.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
 
March 21, 2019, 9 a.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
 
March 21, 2019, 8 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
 
March 21, 2019, 7 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) 9.0 μg/m3 (38) 38.0
 
March 21, 2019, 6 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) 8.0 μg/m3 (33) 33.0
 
March 21, 2019, 5 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) 3.0 μg/m3 (12) 22.0
 
March 21, 2019, 4 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) 5.0 μg/m3 (21) 22.0
 
March 21, 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) 3.0 μg/m3 (12) 18.0
 
March 21, 2019, 2 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) 1.0 μg/m3 (4) 17.0
 
March 21, 2019, 1 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) 3.0 μg/m3 (12) 21.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 20, 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) 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 10 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
 
March 20, 2019, 9 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) 6.0 μg/m3 (25) 25.0
 
March 20, 2019, 8 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) 6.0 μg/m3 (25) 25.0
 
March 20, 2019, 7 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) 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 6 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) 3.0 μg/m3 (12) 12.0
 
March 20, 2019, 5 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) 5.0 μg/m3 (21) 21.0
 
March 20, 2019, 4 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) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 3 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) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 2 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) 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 1 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
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 11 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
 
March 20, 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) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 9 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
 
March 20, 2019, 8 a.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
 
March 20, 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
 
March 20, 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) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 5 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) 6.0 μg/m3 (25) 25.0
 
March 20, 2019, 4 a.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
 
March 20, 2019, 3 a.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
 
March 20, 2019, 2 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) 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 1 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) 13.0 μg/m3 (52) 62.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (30) 6.0 μg/m3 (25) 30.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (31) 2.0 μg/m3 (8) 31.0
 
March 19, 2019, 10 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) 4.0 μg/m3 (17) 34.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, 7 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) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 μg/m3 (21) 2.0 μg/m3 (8) 21.0
 
March 19, 2019, 5 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) 3.0 μg/m3 (12) 19.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 39.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
March 19, 2019, 3 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) 6.0 μg/m3 (25) 33.0
 
March 19, 2019, 2 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) 4.0 μg/m3 (17) 21.0
 
March 19, 2019, 1 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) 3.0 μg/m3 (12) 12.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
March 19, 2019, 11 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) 6.0 μg/m3 (25) 25.0
 
March 19, 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) 6.0 μg/m3 (25) 25.0
 
March 19, 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) 10.0 μg/m3 (42) 42.0
 
March 19, 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) 9.0 μg/m3 (38) 38.0
 
March 19, 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) 8.0 μg/m3 (33) 33.0
 
March 19, 2019, 6 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) 11.0 μg/m3 (46) 46.0
 
March 19, 2019, 5 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) 10.0 μg/m3 (42) 42.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 36.0 μg/m3 (33) 8.0 μg/m3 (33) 33.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
March 19, 2019, 2 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) 11.0 μg/m3 (46) 46.0
 
March 19, 2019, 1 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) 7.0 μg/m3 (29) 29.0
 
March 19, 2019, midnight 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
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 10 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) 9.0 μg/m3 (38) 38.0
 
March 18, 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) 10.0 μg/m3 (42) 42.0
 
March 18, 2019, 8 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) 9.0 μg/m3 (38) 38.0
 
March 18, 2019, 7 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) 9.0 μg/m3 (38) 38.0
 
March 18, 2019, 6 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
 
March 18, 2019, 5 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) 11.0 μg/m3 (46) 46.0
 
March 18, 2019, 4 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) 7.0 μg/m3 (29) 33.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
March 18, 2019, 2 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) 7.0 μg/m3 (29) 29.0
 
March 18, 2019, 1 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
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0