AQSQID: 060392010

Site Name: Madera-City

Location: Madera Co, CA

Reporting: True, Located: True

Current AQI: 48.0

Madera Co CA, US: 36.9533, -120.0341

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 23, 2019, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A N/A 47.0
 
Sept. 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A N/A 49.0
 
Sept. 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A N/A 44.0
 
Sept. 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Sept. 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 22, 2019, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A N/A 8.0
 
Sept. 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 22, 2019, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A N/A 43.0
 
Sept. 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 21, 2019, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A N/A 4.0
 
Sept. 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A N/A 6.0
 
Sept. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A N/A 7.0
 
Sept. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A N/A 8.0
 
Sept. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A N/A 6.0
 
Sept. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A N/A 7.0
 
Sept. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 21, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 20, 2019, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Sept. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Sept. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 20, 2019, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 49.0 μg/m3 (45) 6.3 μg/m3 (26) 45.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 65.0 μg/m3 (55) 13.2 μg/m3 (53) 55.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 33.0 μg/m3 (30) 15.2 μg/m3 (57) 57.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 59.0 μg/m3 (52) 27.0 μg/m3 (82) 82.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 109.0 μg/m3 (77) 12.0 μg/m3 (50) 77.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 48.0 μg/m3 (44) 14.9 μg/m3 (56) 56.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 3.0 μg/m3 (3) 1.7 μg/m3 (7) 13.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A -4.0 μg/m3 (0) 5.2 μg/m3 (22) 22.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 14.0 μg/m3 (13) 0.4 μg/m3 (2) 17.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 20.0 μg/m3 (18) -0.7 μg/m3 (0) 18.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 27.0 μg/m3 (25) N/A 25.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 17.0 μg/m3 (15) N/A 21.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 32.0 μg/m3 (29) N/A 29.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 62.0 μg/m3 (54) 22.1 μg/m3 (71) 71.0
 
Sept. 19, 2019, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 58.0 μg/m3 (52) 14.3 μg/m3 (55) 55.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 75.0 μg/m3 (60) 9.3 μg/m3 (39) 60.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 83.0 μg/m3 (64) 20.9 μg/m3 (69) 69.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 76.0 μg/m3 (60) 19.2 μg/m3 (65) 65.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 80.0 μg/m3 (62) 47.2 μg/m3 (129) 129.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 40.0 μg/m3 (36) 2.1 μg/m3 (9) 36.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 25.0 μg/m3 (23) 6.4 μg/m3 (27) 28.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 23.0 μg/m3 (21) N/A 25.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 60.0 μg/m3 (52) 3.6 μg/m3 (15) 52.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 47.0 μg/m3 (43) 1.7 μg/m3 (7) 43.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 53.0 μg/m3 (48) 18.5 μg/m3 (64) 64.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 50.0 μg/m3 (45) 9.6 μg/m3 (40) 45.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 93.0 μg/m3 (69) 14.4 μg/m3 (55) 69.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 23.0 μg/m3 (21) 5.5 μg/m3 (23) 23.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 28.0 μg/m3 (25) 5.3 μg/m3 (22) 25.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 32.0 μg/m3 (29) 0.4 μg/m3 (2) 29.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 39.0 μg/m3 (35) 2.7 μg/m3 (11) 35.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 33.0 μg/m3 (30) N/A 32.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 45.0 μg/m3 (41) 5.1 μg/m3 (21) 41.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 41.0 μg/m3 (37) 13.6 μg/m3 (53) 53.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 51.0 μg/m3 (46) 27.3 μg/m3 (83) 83.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 55.0 μg/m3 (50) 13.5 μg/m3 (53) 53.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 70.0 μg/m3 (58) 3.1 μg/m3 (13) 58.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 48.0 μg/m3 (44) N/A 44.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 73.0 μg/m3 (59) 19.5 μg/m3 (66) 66.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 72.0 μg/m3 (58) 2.0 μg/m3 (8) 58.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 64.0 μg/m3 (54) 17.3 μg/m3 (61) 61.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 62.0 μg/m3 (54) 18.0 μg/m3 (63) 63.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 66.0 μg/m3 (56) 22.4 μg/m3 (72) 72.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 58.0 μg/m3 (52) 0.8 μg/m3 (3) 52.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 33.0 μg/m3 (30) 14.4 μg/m3 (55) 55.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 22.0 μg/m3 (20) 4.4 μg/m3 (18) 20.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 8.0 μg/m3 (7) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 6.3 μg/m3 (26) 27.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 15.0 μg/m3 (14) 3.2 μg/m3 (13) 14.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 2.0 μg/m3 (2) N/A 11.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 0.7 μg/m3 (3) 14.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 43.0 μg/m3 (39) 3.2 μg/m3 (13) 39.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 59.0 μg/m3 (52) 6.4 μg/m3 (27) 52.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 53.0 μg/m3 (48) 1.2 μg/m3 (5) 48.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 37.0 μg/m3 (34) N/A 34.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 6.0 μg/m3 (5) 3.4 μg/m3 (14) 25.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 60.0 μg/m3 (52) 22.2 μg/m3 (72) 72.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 136.0 μg/m3 (90) 29.4 μg/m3 (87) 90.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 206.0 μg/m3 (126) 19.2 μg/m3 (65) 126.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 576.0 μg/m3 (471) 18.5 μg/m3 (64) 471.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 308.0 μg/m3 (176) 37.0 μg/m3 (104) 176.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 57.0 μg/m3 (51) 28.9 μg/m3 (86) 86.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 53.0 μg/m3 (48) 8.5 μg/m3 (35) 48.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 33.0 μg/m3 (30) 1.0 μg/m3 (4) 30.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 27.0 μg/m3 (25) N/A 25.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 56.0 μg/m3 (50) 5.7 μg/m3 (24) 50.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 16.0 μg/m3 (15) 3.2 μg/m3 (13) 15.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 7.0 μg/m3 (6) 0.9 μg/m3 (4) 8.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 2.2 μg/m3 (9) 9.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 1.5 μg/m3 (6) 20.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 18.0 μg/m3 (16) N/A 16.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A -2.0 μg/m3 (0) N/A 15.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 2.2 μg/m3 (9) 18.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 19.0 μg/m3 (17) 1.7 μg/m3 (7) 21.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 47.0 μg/m3 (43) 10.2 μg/m3 (42) 43.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 112.0 μg/m3 (78) N/A 78.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 75.0 μg/m3 (60) N/A 60.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 52.0 μg/m3 (47) N/A 47.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 68.0 μg/m3 (56) 16.9 μg/m3 (60) 60.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 79.0 μg/m3 (62) 8.4 μg/m3 (35) 62.0